./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/heap-manipulation/merge_sort-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/merge_sort-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e47f94c757882803b8e19e21a897c3f5ab1653c3391e3b246153a1c416bdab7c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 06:37:09,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:37:09,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:37:09,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:37:09,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:37:09,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:37:09,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:37:09,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:37:09,393 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:37:09,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:37:09,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:37:09,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:37:09,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:37:09,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:37:09,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:37:09,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:37:09,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:37:09,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:37:09,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:37:09,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:37:09,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:37:09,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:37:09,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:37:09,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:37:09,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:37:09,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:37:09,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:37:09,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:37:09,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:37:09,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:37:09,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:37:09,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:37:09,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:37:09,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:37:09,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:37:09,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:37:09,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:37:09,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:37:09,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:37:09,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:37:09,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:37:09,445 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-19 06:37:09,490 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:37:09,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:37:09,497 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:37:09,497 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:37:09,498 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:37:09,498 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:37:09,499 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:37:09,499 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:37:09,499 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:37:09,499 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:37:09,501 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:37:09,501 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:37:09,501 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:37:09,501 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:37:09,502 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:37:09,502 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:37:09,502 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:37:09,502 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:37:09,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 06:37:09,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 06:37:09,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:37:09,506 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:37:09,506 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 06:37:09,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:37:09,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:37:09,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:37:09,507 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 06:37:09,507 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 06:37:09,508 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 06:37:09,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:37:09,509 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 06:37:09,509 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:37:09,509 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:37:09,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:37:09,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:37:09,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:37:09,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:37:09,511 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:37:09,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:37:09,511 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:37:09,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:37:09,512 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:37:09,512 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e47f94c757882803b8e19e21a897c3f5ab1653c3391e3b246153a1c416bdab7c [2022-11-19 06:37:09,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:37:09,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:37:09,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:37:09,913 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:37:09,914 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:37:09,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/heap-manipulation/merge_sort-2.i [2022-11-19 06:37:10,004 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/data/d184ae21a/a47337e2a30e4fc79e1ac1196d63b1b8/FLAG50cb05185 [2022-11-19 06:37:10,726 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:37:10,726 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/sv-benchmarks/c/heap-manipulation/merge_sort-2.i [2022-11-19 06:37:10,741 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/data/d184ae21a/a47337e2a30e4fc79e1ac1196d63b1b8/FLAG50cb05185 [2022-11-19 06:37:10,974 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/data/d184ae21a/a47337e2a30e4fc79e1ac1196d63b1b8 [2022-11-19 06:37:10,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:37:10,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:37:10,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:37:10,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:37:10,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:37:11,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:37:10" (1/1) ... [2022-11-19 06:37:11,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@332d5f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:37:11, skipping insertion in model container [2022-11-19 06:37:11,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:37:10" (1/1) ... [2022-11-19 06:37:11,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:37:11,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:37:11,517 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/sv-benchmarks/c/heap-manipulation/merge_sort-2.i[22632,22645] [2022-11-19 06:37:11,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:37:11,563 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:37:11,620 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/sv-benchmarks/c/heap-manipulation/merge_sort-2.i[22632,22645] [2022-11-19 06:37:11,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:37:11,688 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:37:11,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:37:11 WrapperNode [2022-11-19 06:37:11,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:37:11,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:37:11,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:37:11,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:37:11,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:37:11" (1/1) ... [2022-11-19 06:37:11,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:37:11" (1/1) ... [2022-11-19 06:37:11,750 INFO L138 Inliner]: procedures = 125, calls = 83, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 294 [2022-11-19 06:37:11,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:37:11,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:37:11,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:37:11,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:37:11,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:37:11" (1/1) ... [2022-11-19 06:37:11,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:37:11" (1/1) ... [2022-11-19 06:37:11,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:37:11" (1/1) ... [2022-11-19 06:37:11,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:37:11" (1/1) ... [2022-11-19 06:37:11,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:37:11" (1/1) ... [2022-11-19 06:37:11,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:37:11" (1/1) ... [2022-11-19 06:37:11,839 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:37:11" (1/1) ... [2022-11-19 06:37:11,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:37:11" (1/1) ... [2022-11-19 06:37:11,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:37:11,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:37:11,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:37:11,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:37:11,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:37:11" (1/1) ... [2022-11-19 06:37:11,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:37:11,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:37:11,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:37:11,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:37:11,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:37:11,962 INFO L130 BoogieDeclarations]: Found specification of procedure merge_single_node [2022-11-19 06:37:11,962 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_single_node [2022-11-19 06:37:11,962 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2022-11-19 06:37:11,963 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2022-11-19 06:37:11,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:37:11,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:37:11,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:37:11,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:37:11,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:37:11,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:37:11,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:37:11,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:37:11,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:37:11,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:37:12,153 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:37:12,156 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:37:13,091 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:37:13,208 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:37:13,209 INFO L300 CfgBuilder]: Removed 33 assume(true) statements. [2022-11-19 06:37:13,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:37:13 BoogieIcfgContainer [2022-11-19 06:37:13,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:37:13,219 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:37:13,219 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:37:13,223 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:37:13,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:37:10" (1/3) ... [2022-11-19 06:37:13,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79a8f8a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:37:13, skipping insertion in model container [2022-11-19 06:37:13,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:37:11" (2/3) ... [2022-11-19 06:37:13,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79a8f8a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:37:13, skipping insertion in model container [2022-11-19 06:37:13,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:37:13" (3/3) ... [2022-11-19 06:37:13,228 INFO L112 eAbstractionObserver]: Analyzing ICFG merge_sort-2.i [2022-11-19 06:37:13,252 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:37:13,253 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 105 error locations. [2022-11-19 06:37:13,356 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:37:13,369 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@65611962, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:37:13,370 INFO L358 AbstractCegarLoop]: Starting to check reachability of 105 error locations. [2022-11-19 06:37:13,377 INFO L276 IsEmpty]: Start isEmpty. Operand has 230 states, 107 states have (on average 2.514018691588785) internal successors, (269), 227 states have internal predecessors, (269), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-19 06:37:13,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 06:37:13,384 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:13,384 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 06:37:13,385 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:13,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:13,394 INFO L85 PathProgramCache]: Analyzing trace with hash 18345167, now seen corresponding path program 1 times [2022-11-19 06:37:13,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:13,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436999898] [2022-11-19 06:37:13,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:13,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:13,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:13,692 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:13,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436999898] [2022-11-19 06:37:13,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436999898] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:13,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:13,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:37:13,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069810073] [2022-11-19 06:37:13,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:13,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:37:13,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:13,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:37:13,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:37:13,748 INFO L87 Difference]: Start difference. First operand has 230 states, 107 states have (on average 2.514018691588785) internal successors, (269), 227 states have internal predecessors, (269), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:14,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:14,316 INFO L93 Difference]: Finished difference Result 396 states and 447 transitions. [2022-11-19 06:37:14,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:37:14,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-19 06:37:14,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:14,334 INFO L225 Difference]: With dead ends: 396 [2022-11-19 06:37:14,335 INFO L226 Difference]: Without dead ends: 394 [2022-11-19 06:37:14,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:37:14,341 INFO L413 NwaCegarLoop]: 337 mSDtfsCounter, 181 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:14,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 479 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:37:14,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2022-11-19 06:37:14,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 226. [2022-11-19 06:37:14,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 107 states have (on average 2.1869158878504673) internal successors, (234), 223 states have internal predecessors, (234), 15 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:14,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 251 transitions. [2022-11-19 06:37:14,405 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 251 transitions. Word has length 4 [2022-11-19 06:37:14,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:14,406 INFO L495 AbstractCegarLoop]: Abstraction has 226 states and 251 transitions. [2022-11-19 06:37:14,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:14,407 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 251 transitions. [2022-11-19 06:37:14,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 06:37:14,407 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:14,407 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 06:37:14,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:37:14,408 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:14,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:14,409 INFO L85 PathProgramCache]: Analyzing trace with hash 18345168, now seen corresponding path program 1 times [2022-11-19 06:37:14,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:14,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273943252] [2022-11-19 06:37:14,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:14,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:14,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:14,534 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:14,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273943252] [2022-11-19 06:37:14,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273943252] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:14,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:14,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:37:14,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563708765] [2022-11-19 06:37:14,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:14,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:37:14,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:14,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:37:14,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:37:14,538 INFO L87 Difference]: Start difference. First operand 226 states and 251 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:14,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:14,889 INFO L93 Difference]: Finished difference Result 360 states and 405 transitions. [2022-11-19 06:37:14,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:37:14,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-19 06:37:14,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:14,900 INFO L225 Difference]: With dead ends: 360 [2022-11-19 06:37:14,900 INFO L226 Difference]: Without dead ends: 360 [2022-11-19 06:37:14,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:37:14,904 INFO L413 NwaCegarLoop]: 322 mSDtfsCounter, 148 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:14,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 471 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 06:37:14,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2022-11-19 06:37:14,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 224. [2022-11-19 06:37:14,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 107 states have (on average 2.1682242990654204) internal successors, (232), 221 states have internal predecessors, (232), 15 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:14,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 249 transitions. [2022-11-19 06:37:14,919 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 249 transitions. Word has length 4 [2022-11-19 06:37:14,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:14,920 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 249 transitions. [2022-11-19 06:37:14,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:14,920 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 249 transitions. [2022-11-19 06:37:14,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-19 06:37:14,921 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:14,921 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-19 06:37:14,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:37:14,922 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:14,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:14,923 INFO L85 PathProgramCache]: Analyzing trace with hash 568154688, now seen corresponding path program 1 times [2022-11-19 06:37:14,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:14,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042034306] [2022-11-19 06:37:14,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:14,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:14,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:14,951 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:14,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042034306] [2022-11-19 06:37:14,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042034306] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:14,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:14,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-19 06:37:14,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251953996] [2022-11-19 06:37:14,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:14,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:37:14,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:14,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:37:14,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:37:14,954 INFO L87 Difference]: Start difference. First operand 224 states and 249 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:15,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:15,268 INFO L93 Difference]: Finished difference Result 349 states and 393 transitions. [2022-11-19 06:37:15,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:37:15,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-19 06:37:15,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:15,271 INFO L225 Difference]: With dead ends: 349 [2022-11-19 06:37:15,271 INFO L226 Difference]: Without dead ends: 348 [2022-11-19 06:37:15,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:37:15,273 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 125 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:15,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 311 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 06:37:15,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2022-11-19 06:37:15,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 227. [2022-11-19 06:37:15,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 110 states have (on average 2.1454545454545455) internal successors, (236), 224 states have internal predecessors, (236), 15 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:15,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 253 transitions. [2022-11-19 06:37:15,289 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 253 transitions. Word has length 5 [2022-11-19 06:37:15,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:15,289 INFO L495 AbstractCegarLoop]: Abstraction has 227 states and 253 transitions. [2022-11-19 06:37:15,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:15,290 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 253 transitions. [2022-11-19 06:37:15,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-19 06:37:15,290 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:15,291 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-19 06:37:15,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 06:37:15,291 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:15,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:15,292 INFO L85 PathProgramCache]: Analyzing trace with hash 450363646, now seen corresponding path program 1 times [2022-11-19 06:37:15,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:15,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189840468] [2022-11-19 06:37:15,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:15,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:15,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:15,599 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:15,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189840468] [2022-11-19 06:37:15,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189840468] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:15,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:15,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:37:15,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362609717] [2022-11-19 06:37:15,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:15,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:37:15,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:15,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:37:15,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:37:15,603 INFO L87 Difference]: Start difference. First operand 227 states and 253 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:15,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:15,938 INFO L93 Difference]: Finished difference Result 360 states and 404 transitions. [2022-11-19 06:37:15,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:37:15,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-19 06:37:15,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:15,942 INFO L225 Difference]: With dead ends: 360 [2022-11-19 06:37:15,943 INFO L226 Difference]: Without dead ends: 360 [2022-11-19 06:37:15,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:37:15,944 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 146 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:15,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 466 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 06:37:15,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2022-11-19 06:37:15,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 225. [2022-11-19 06:37:15,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 110 states have (on average 2.1272727272727274) internal successors, (234), 222 states have internal predecessors, (234), 15 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:15,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 251 transitions. [2022-11-19 06:37:15,975 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 251 transitions. Word has length 6 [2022-11-19 06:37:15,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:15,978 INFO L495 AbstractCegarLoop]: Abstraction has 225 states and 251 transitions. [2022-11-19 06:37:15,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:15,979 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 251 transitions. [2022-11-19 06:37:15,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-19 06:37:15,980 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:15,980 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-19 06:37:15,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 06:37:15,981 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:15,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:15,985 INFO L85 PathProgramCache]: Analyzing trace with hash 450363645, now seen corresponding path program 1 times [2022-11-19 06:37:15,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:15,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002526145] [2022-11-19 06:37:15,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:15,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:16,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:16,128 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:16,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002526145] [2022-11-19 06:37:16,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002526145] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:16,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:16,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:37:16,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395934143] [2022-11-19 06:37:16,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:16,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:37:16,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:16,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:37:16,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:37:16,131 INFO L87 Difference]: Start difference. First operand 225 states and 251 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:16,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:16,480 INFO L93 Difference]: Finished difference Result 390 states and 440 transitions. [2022-11-19 06:37:16,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:37:16,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-19 06:37:16,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:16,483 INFO L225 Difference]: With dead ends: 390 [2022-11-19 06:37:16,483 INFO L226 Difference]: Without dead ends: 390 [2022-11-19 06:37:16,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:37:16,484 INFO L413 NwaCegarLoop]: 333 mSDtfsCounter, 174 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:16,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 474 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 06:37:16,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2022-11-19 06:37:16,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 223. [2022-11-19 06:37:16,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 110 states have (on average 2.109090909090909) internal successors, (232), 220 states have internal predecessors, (232), 15 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:16,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 249 transitions. [2022-11-19 06:37:16,504 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 249 transitions. Word has length 6 [2022-11-19 06:37:16,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:16,505 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 249 transitions. [2022-11-19 06:37:16,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:16,505 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 249 transitions. [2022-11-19 06:37:16,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-19 06:37:16,505 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:16,506 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:16,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 06:37:16,506 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:16,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:16,507 INFO L85 PathProgramCache]: Analyzing trace with hash 535440203, now seen corresponding path program 1 times [2022-11-19 06:37:16,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:16,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652055877] [2022-11-19 06:37:16,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:16,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:16,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:16,583 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:16,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652055877] [2022-11-19 06:37:16,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652055877] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:16,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:16,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:37:16,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093938274] [2022-11-19 06:37:16,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:16,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:37:16,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:16,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:37:16,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:37:16,586 INFO L87 Difference]: Start difference. First operand 223 states and 249 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:16,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:16,693 INFO L93 Difference]: Finished difference Result 229 states and 253 transitions. [2022-11-19 06:37:16,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:37:16,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-19 06:37:16,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:16,698 INFO L225 Difference]: With dead ends: 229 [2022-11-19 06:37:16,698 INFO L226 Difference]: Without dead ends: 228 [2022-11-19 06:37:16,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:37:16,699 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 5 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:16,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 415 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:37:16,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2022-11-19 06:37:16,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2022-11-19 06:37:16,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 109 states have (on average 2.110091743119266) internal successors, (230), 219 states have internal predecessors, (230), 15 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:16,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 247 transitions. [2022-11-19 06:37:16,707 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 247 transitions. Word has length 7 [2022-11-19 06:37:16,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:16,707 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 247 transitions. [2022-11-19 06:37:16,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:16,708 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 247 transitions. [2022-11-19 06:37:16,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 06:37:16,708 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:16,708 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:16,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 06:37:16,709 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:16,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:16,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1154009547, now seen corresponding path program 1 times [2022-11-19 06:37:16,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:16,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056506243] [2022-11-19 06:37:16,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:16,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:16,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:16,813 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:16,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056506243] [2022-11-19 06:37:16,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056506243] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:16,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:16,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:37:16,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463266788] [2022-11-19 06:37:16,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:16,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:37:16,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:16,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:37:16,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:37:16,816 INFO L87 Difference]: Start difference. First operand 222 states and 247 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:16,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:16,991 INFO L93 Difference]: Finished difference Result 353 states and 393 transitions. [2022-11-19 06:37:16,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:37:16,992 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-19 06:37:16,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:16,994 INFO L225 Difference]: With dead ends: 353 [2022-11-19 06:37:16,994 INFO L226 Difference]: Without dead ends: 353 [2022-11-19 06:37:16,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:37:16,995 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 535 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:16,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 380 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:37:16,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2022-11-19 06:37:17,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 222. [2022-11-19 06:37:17,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 109 states have (on average 2.1009174311926606) internal successors, (229), 219 states have internal predecessors, (229), 15 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:17,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 246 transitions. [2022-11-19 06:37:17,003 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 246 transitions. Word has length 11 [2022-11-19 06:37:17,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:17,003 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 246 transitions. [2022-11-19 06:37:17,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:17,003 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 246 transitions. [2022-11-19 06:37:17,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-19 06:37:17,004 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:17,004 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:17,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 06:37:17,005 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:17,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:17,005 INFO L85 PathProgramCache]: Analyzing trace with hash -901980672, now seen corresponding path program 1 times [2022-11-19 06:37:17,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:17,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518746367] [2022-11-19 06:37:17,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:17,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:17,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:17,089 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:17,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518746367] [2022-11-19 06:37:17,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518746367] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:17,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:17,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:37:17,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384193163] [2022-11-19 06:37:17,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:17,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:37:17,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:17,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:37:17,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:37:17,092 INFO L87 Difference]: Start difference. First operand 222 states and 246 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:17,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:17,502 INFO L93 Difference]: Finished difference Result 627 states and 702 transitions. [2022-11-19 06:37:17,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 06:37:17,510 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-19 06:37:17,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:17,513 INFO L225 Difference]: With dead ends: 627 [2022-11-19 06:37:17,514 INFO L226 Difference]: Without dead ends: 627 [2022-11-19 06:37:17,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 06:37:17,515 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 1320 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1322 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:17,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1322 Valid, 528 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 06:37:17,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2022-11-19 06:37:17,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 247. [2022-11-19 06:37:17,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 135 states have (on average 2.066666666666667) internal successors, (279), 244 states have internal predecessors, (279), 14 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:17,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 295 transitions. [2022-11-19 06:37:17,529 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 295 transitions. Word has length 13 [2022-11-19 06:37:17,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:17,529 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 295 transitions. [2022-11-19 06:37:17,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:17,530 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 295 transitions. [2022-11-19 06:37:17,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-19 06:37:17,531 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:17,531 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:17,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 06:37:17,532 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:17,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:17,533 INFO L85 PathProgramCache]: Analyzing trace with hash -901991921, now seen corresponding path program 1 times [2022-11-19 06:37:17,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:17,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071823213] [2022-11-19 06:37:17,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:17,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:17,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:17,697 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:17,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071823213] [2022-11-19 06:37:17,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071823213] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:17,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:17,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:37:17,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579087164] [2022-11-19 06:37:17,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:17,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:37:17,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:17,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:37:17,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:37:17,700 INFO L87 Difference]: Start difference. First operand 247 states and 295 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:18,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:18,298 INFO L93 Difference]: Finished difference Result 403 states and 470 transitions. [2022-11-19 06:37:18,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 06:37:18,299 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-19 06:37:18,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:18,301 INFO L225 Difference]: With dead ends: 403 [2022-11-19 06:37:18,301 INFO L226 Difference]: Without dead ends: 403 [2022-11-19 06:37:18,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 06:37:18,302 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 578 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:18,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 413 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 06:37:18,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2022-11-19 06:37:18,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 238. [2022-11-19 06:37:18,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 135 states have (on average 1.9777777777777779) internal successors, (267), 235 states have internal predecessors, (267), 14 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:18,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 283 transitions. [2022-11-19 06:37:18,312 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 283 transitions. Word has length 13 [2022-11-19 06:37:18,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:18,312 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 283 transitions. [2022-11-19 06:37:18,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:18,313 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 283 transitions. [2022-11-19 06:37:18,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-19 06:37:18,313 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:18,313 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:18,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 06:37:18,314 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:18,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:18,315 INFO L85 PathProgramCache]: Analyzing trace with hash -901991920, now seen corresponding path program 1 times [2022-11-19 06:37:18,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:18,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4453138] [2022-11-19 06:37:18,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:18,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:18,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:18,485 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:18,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4453138] [2022-11-19 06:37:18,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4453138] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:18,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:18,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:37:18,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098190937] [2022-11-19 06:37:18,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:18,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:37:18,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:18,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:37:18,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:37:18,487 INFO L87 Difference]: Start difference. First operand 238 states and 283 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:19,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:19,043 INFO L93 Difference]: Finished difference Result 534 states and 596 transitions. [2022-11-19 06:37:19,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:37:19,044 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-19 06:37:19,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:19,046 INFO L225 Difference]: With dead ends: 534 [2022-11-19 06:37:19,046 INFO L226 Difference]: Without dead ends: 534 [2022-11-19 06:37:19,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 06:37:19,047 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 806 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 806 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:19,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [806 Valid, 441 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 06:37:19,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2022-11-19 06:37:19,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 258. [2022-11-19 06:37:19,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 155 states have (on average 1.8774193548387097) internal successors, (291), 255 states have internal predecessors, (291), 14 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:19,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 307 transitions. [2022-11-19 06:37:19,056 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 307 transitions. Word has length 13 [2022-11-19 06:37:19,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:19,057 INFO L495 AbstractCegarLoop]: Abstraction has 258 states and 307 transitions. [2022-11-19 06:37:19,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:19,057 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 307 transitions. [2022-11-19 06:37:19,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 06:37:19,058 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:19,058 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:19,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-19 06:37:19,059 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:19,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:19,059 INFO L85 PathProgramCache]: Analyzing trace with hash -256693872, now seen corresponding path program 1 times [2022-11-19 06:37:19,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:19,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585627327] [2022-11-19 06:37:19,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:19,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:19,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:37:19,164 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:19,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585627327] [2022-11-19 06:37:19,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585627327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:19,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:19,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:37:19,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291577354] [2022-11-19 06:37:19,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:19,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:37:19,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:19,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:37:19,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:37:19,167 INFO L87 Difference]: Start difference. First operand 258 states and 307 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:19,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:19,474 INFO L93 Difference]: Finished difference Result 332 states and 387 transitions. [2022-11-19 06:37:19,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:37:19,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-19 06:37:19,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:19,477 INFO L225 Difference]: With dead ends: 332 [2022-11-19 06:37:19,477 INFO L226 Difference]: Without dead ends: 332 [2022-11-19 06:37:19,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:37:19,478 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 96 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:19,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 662 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 06:37:19,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2022-11-19 06:37:19,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 257. [2022-11-19 06:37:19,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 155 states have (on average 1.864516129032258) internal successors, (289), 254 states have internal predecessors, (289), 13 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:19,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 304 transitions. [2022-11-19 06:37:19,485 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 304 transitions. Word has length 20 [2022-11-19 06:37:19,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:19,485 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 304 transitions. [2022-11-19 06:37:19,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:19,485 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 304 transitions. [2022-11-19 06:37:19,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 06:37:19,486 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:19,486 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:19,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-19 06:37:19,487 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:19,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:19,488 INFO L85 PathProgramCache]: Analyzing trace with hash -937110950, now seen corresponding path program 1 times [2022-11-19 06:37:19,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:19,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111875886] [2022-11-19 06:37:19,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:19,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:19,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:37:19,625 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:19,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111875886] [2022-11-19 06:37:19,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111875886] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:19,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:19,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:37:19,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749366733] [2022-11-19 06:37:19,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:19,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:37:19,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:19,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:37:19,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:37:19,627 INFO L87 Difference]: Start difference. First operand 257 states and 304 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:19,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:19,880 INFO L93 Difference]: Finished difference Result 256 states and 301 transitions. [2022-11-19 06:37:19,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:37:19,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-19 06:37:19,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:19,882 INFO L225 Difference]: With dead ends: 256 [2022-11-19 06:37:19,882 INFO L226 Difference]: Without dead ends: 256 [2022-11-19 06:37:19,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:37:19,883 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 19 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:19,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 673 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 06:37:19,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-11-19 06:37:19,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2022-11-19 06:37:19,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 155 states have (on average 1.8516129032258064) internal successors, (287), 253 states have internal predecessors, (287), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:19,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 301 transitions. [2022-11-19 06:37:19,891 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 301 transitions. Word has length 20 [2022-11-19 06:37:19,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:19,891 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 301 transitions. [2022-11-19 06:37:19,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:19,891 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 301 transitions. [2022-11-19 06:37:19,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-19 06:37:19,892 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:19,892 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:19,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-19 06:37:19,893 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:19,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:19,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1946598122, now seen corresponding path program 1 times [2022-11-19 06:37:19,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:19,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676259489] [2022-11-19 06:37:19,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:19,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:20,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:20,092 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:20,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676259489] [2022-11-19 06:37:20,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676259489] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:20,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:20,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-19 06:37:20,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35188147] [2022-11-19 06:37:20,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:20,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 06:37:20,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:20,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 06:37:20,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-19 06:37:20,095 INFO L87 Difference]: Start difference. First operand 256 states and 301 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:20,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:20,593 INFO L93 Difference]: Finished difference Result 538 states and 595 transitions. [2022-11-19 06:37:20,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 06:37:20,593 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-19 06:37:20,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:20,596 INFO L225 Difference]: With dead ends: 538 [2022-11-19 06:37:20,596 INFO L226 Difference]: Without dead ends: 538 [2022-11-19 06:37:20,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-11-19 06:37:20,597 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 1177 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1179 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:20,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1179 Valid, 825 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:37:20,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2022-11-19 06:37:20,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 256. [2022-11-19 06:37:20,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 155 states have (on average 1.8451612903225807) internal successors, (286), 253 states have internal predecessors, (286), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:20,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 300 transitions. [2022-11-19 06:37:20,609 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 300 transitions. Word has length 23 [2022-11-19 06:37:20,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:20,610 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 300 transitions. [2022-11-19 06:37:20,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:20,610 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 300 transitions. [2022-11-19 06:37:20,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-19 06:37:20,611 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:20,611 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:20,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-19 06:37:20,612 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:20,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:20,612 INFO L85 PathProgramCache]: Analyzing trace with hash -479719491, now seen corresponding path program 1 times [2022-11-19 06:37:20,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:20,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003884416] [2022-11-19 06:37:20,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:20,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:20,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:20,806 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:20,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003884416] [2022-11-19 06:37:20,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003884416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:20,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:20,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-19 06:37:20,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187067041] [2022-11-19 06:37:20,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:20,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 06:37:20,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:20,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 06:37:20,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-19 06:37:20,809 INFO L87 Difference]: Start difference. First operand 256 states and 300 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:21,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:21,277 INFO L93 Difference]: Finished difference Result 537 states and 593 transitions. [2022-11-19 06:37:21,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 06:37:21,278 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-19 06:37:21,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:21,280 INFO L225 Difference]: With dead ends: 537 [2022-11-19 06:37:21,281 INFO L226 Difference]: Without dead ends: 537 [2022-11-19 06:37:21,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-11-19 06:37:21,281 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 1173 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1175 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:21,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1175 Valid, 825 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:37:21,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2022-11-19 06:37:21,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 256. [2022-11-19 06:37:21,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 155 states have (on average 1.8387096774193548) internal successors, (285), 253 states have internal predecessors, (285), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:21,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 299 transitions. [2022-11-19 06:37:21,293 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 299 transitions. Word has length 23 [2022-11-19 06:37:21,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:21,294 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 299 transitions. [2022-11-19 06:37:21,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:21,294 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 299 transitions. [2022-11-19 06:37:21,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-19 06:37:21,299 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:21,299 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:21,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-19 06:37:21,300 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:21,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:21,300 INFO L85 PathProgramCache]: Analyzing trace with hash 214784498, now seen corresponding path program 1 times [2022-11-19 06:37:21,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:21,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352596351] [2022-11-19 06:37:21,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:21,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:21,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:21,670 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:21,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352596351] [2022-11-19 06:37:21,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352596351] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:21,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:21,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 06:37:21,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157010085] [2022-11-19 06:37:21,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:21,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 06:37:21,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:21,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 06:37:21,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:37:21,673 INFO L87 Difference]: Start difference. First operand 256 states and 299 transitions. Second operand has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:22,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:22,589 INFO L93 Difference]: Finished difference Result 602 states and 673 transitions. [2022-11-19 06:37:22,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-19 06:37:22,590 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-19 06:37:22,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:22,592 INFO L225 Difference]: With dead ends: 602 [2022-11-19 06:37:22,593 INFO L226 Difference]: Without dead ends: 602 [2022-11-19 06:37:22,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2022-11-19 06:37:22,594 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 1478 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1480 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:22,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1480 Valid, 642 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 06:37:22,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2022-11-19 06:37:22,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 257. [2022-11-19 06:37:22,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 156 states have (on average 1.8397435897435896) internal successors, (287), 254 states have internal predecessors, (287), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:22,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 301 transitions. [2022-11-19 06:37:22,604 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 301 transitions. Word has length 24 [2022-11-19 06:37:22,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:22,605 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 301 transitions. [2022-11-19 06:37:22,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:22,605 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 301 transitions. [2022-11-19 06:37:22,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-19 06:37:22,606 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:22,606 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:22,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-19 06:37:22,606 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:22,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:22,607 INFO L85 PathProgramCache]: Analyzing trace with hash 214784499, now seen corresponding path program 1 times [2022-11-19 06:37:22,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:22,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441150082] [2022-11-19 06:37:22,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:22,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:23,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:23,009 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:23,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441150082] [2022-11-19 06:37:23,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441150082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:23,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:23,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 06:37:23,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350136012] [2022-11-19 06:37:23,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:23,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 06:37:23,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:23,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 06:37:23,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-19 06:37:23,013 INFO L87 Difference]: Start difference. First operand 257 states and 301 transitions. Second operand has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:23,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:23,804 INFO L93 Difference]: Finished difference Result 595 states and 659 transitions. [2022-11-19 06:37:23,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 06:37:23,805 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-19 06:37:23,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:23,807 INFO L225 Difference]: With dead ends: 595 [2022-11-19 06:37:23,807 INFO L226 Difference]: Without dead ends: 595 [2022-11-19 06:37:23,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-11-19 06:37:23,808 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 1071 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:23,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1071 Valid, 684 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 06:37:23,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2022-11-19 06:37:23,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 257. [2022-11-19 06:37:23,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 156 states have (on average 1.8333333333333333) internal successors, (286), 254 states have internal predecessors, (286), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:23,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 300 transitions. [2022-11-19 06:37:23,817 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 300 transitions. Word has length 24 [2022-11-19 06:37:23,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:23,818 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 300 transitions. [2022-11-19 06:37:23,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:23,818 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 300 transitions. [2022-11-19 06:37:23,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-19 06:37:23,819 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:23,819 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:23,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-19 06:37:23,819 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:23,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:23,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1986692204, now seen corresponding path program 1 times [2022-11-19 06:37:23,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:23,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465529761] [2022-11-19 06:37:23,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:23,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:24,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:24,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:24,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465529761] [2022-11-19 06:37:24,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465529761] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:24,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:24,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 06:37:24,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902992502] [2022-11-19 06:37:24,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:24,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 06:37:24,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:24,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 06:37:24,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:37:24,138 INFO L87 Difference]: Start difference. First operand 257 states and 300 transitions. Second operand has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:25,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:25,123 INFO L93 Difference]: Finished difference Result 600 states and 671 transitions. [2022-11-19 06:37:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-19 06:37:25,127 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-19 06:37:25,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:25,129 INFO L225 Difference]: With dead ends: 600 [2022-11-19 06:37:25,130 INFO L226 Difference]: Without dead ends: 600 [2022-11-19 06:37:25,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2022-11-19 06:37:25,131 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 1009 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 892 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1011 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:25,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1011 Valid, 869 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 892 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-19 06:37:25,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2022-11-19 06:37:25,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 257. [2022-11-19 06:37:25,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 156 states have (on average 1.8269230769230769) internal successors, (285), 254 states have internal predecessors, (285), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:25,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 299 transitions. [2022-11-19 06:37:25,141 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 299 transitions. Word has length 24 [2022-11-19 06:37:25,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:25,141 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 299 transitions. [2022-11-19 06:37:25,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:25,142 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 299 transitions. [2022-11-19 06:37:25,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-19 06:37:25,142 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:25,142 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:25,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-19 06:37:25,143 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:25,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:25,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1986692203, now seen corresponding path program 1 times [2022-11-19 06:37:25,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:25,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467171938] [2022-11-19 06:37:25,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:25,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:25,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:25,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:25,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467171938] [2022-11-19 06:37:25,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467171938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:25,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:25,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 06:37:25,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827871895] [2022-11-19 06:37:25,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:25,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 06:37:25,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:25,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 06:37:25,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:37:25,624 INFO L87 Difference]: Start difference. First operand 257 states and 299 transitions. Second operand has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:26,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:26,929 INFO L93 Difference]: Finished difference Result 707 states and 786 transitions. [2022-11-19 06:37:26,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-19 06:37:26,932 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-19 06:37:26,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:26,935 INFO L225 Difference]: With dead ends: 707 [2022-11-19 06:37:26,935 INFO L226 Difference]: Without dead ends: 707 [2022-11-19 06:37:26,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=256, Unknown=0, NotChecked=0, Total=380 [2022-11-19 06:37:26,936 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 1491 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1491 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:26,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1491 Valid, 654 Invalid, 932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-19 06:37:26,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2022-11-19 06:37:26,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 257. [2022-11-19 06:37:26,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 156 states have (on average 1.8205128205128205) internal successors, (284), 254 states have internal predecessors, (284), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:26,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 298 transitions. [2022-11-19 06:37:26,946 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 298 transitions. Word has length 24 [2022-11-19 06:37:26,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:26,946 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 298 transitions. [2022-11-19 06:37:26,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:26,946 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 298 transitions. [2022-11-19 06:37:26,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-19 06:37:26,947 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:26,947 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:26,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-19 06:37:26,948 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:26,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:26,948 INFO L85 PathProgramCache]: Analyzing trace with hash -856061257, now seen corresponding path program 1 times [2022-11-19 06:37:26,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:26,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987200891] [2022-11-19 06:37:26,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:26,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:27,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:27,494 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:27,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987200891] [2022-11-19 06:37:27,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987200891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:27,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:27,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 06:37:27,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641979603] [2022-11-19 06:37:27,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:27,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 06:37:27,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:27,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 06:37:27,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:37:27,499 INFO L87 Difference]: Start difference. First operand 257 states and 298 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:28,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:28,687 INFO L93 Difference]: Finished difference Result 532 states and 587 transitions. [2022-11-19 06:37:28,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-19 06:37:28,687 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-11-19 06:37:28,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:28,689 INFO L225 Difference]: With dead ends: 532 [2022-11-19 06:37:28,690 INFO L226 Difference]: Without dead ends: 532 [2022-11-19 06:37:28,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=132, Invalid=288, Unknown=0, NotChecked=0, Total=420 [2022-11-19 06:37:28,691 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 1490 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1490 SdHoareTripleChecker+Valid, 1089 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:28,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1490 Valid, 1089 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 06:37:28,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2022-11-19 06:37:28,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 258. [2022-11-19 06:37:28,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 157 states have (on average 1.8152866242038217) internal successors, (285), 255 states have internal predecessors, (285), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:28,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 299 transitions. [2022-11-19 06:37:28,705 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 299 transitions. Word has length 27 [2022-11-19 06:37:28,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:28,707 INFO L495 AbstractCegarLoop]: Abstraction has 258 states and 299 transitions. [2022-11-19 06:37:28,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:28,707 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 299 transitions. [2022-11-19 06:37:28,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-19 06:37:28,708 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:28,708 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:28,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-19 06:37:28,710 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:28,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:28,711 INFO L85 PathProgramCache]: Analyzing trace with hash -897960630, now seen corresponding path program 1 times [2022-11-19 06:37:28,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:28,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819793923] [2022-11-19 06:37:28,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:28,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:29,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:29,240 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:29,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819793923] [2022-11-19 06:37:29,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819793923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:29,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:29,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 06:37:29,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682250414] [2022-11-19 06:37:29,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:29,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 06:37:29,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:29,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 06:37:29,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:37:29,241 INFO L87 Difference]: Start difference. First operand 258 states and 299 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:30,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:30,365 INFO L93 Difference]: Finished difference Result 531 states and 585 transitions. [2022-11-19 06:37:30,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-19 06:37:30,365 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-11-19 06:37:30,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:30,368 INFO L225 Difference]: With dead ends: 531 [2022-11-19 06:37:30,368 INFO L226 Difference]: Without dead ends: 531 [2022-11-19 06:37:30,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=132, Invalid=288, Unknown=0, NotChecked=0, Total=420 [2022-11-19 06:37:30,369 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 1485 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1485 SdHoareTripleChecker+Valid, 1089 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:30,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1485 Valid, 1089 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 06:37:30,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2022-11-19 06:37:30,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 258. [2022-11-19 06:37:30,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 157 states have (on average 1.8089171974522293) internal successors, (284), 255 states have internal predecessors, (284), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:30,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 298 transitions. [2022-11-19 06:37:30,379 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 298 transitions. Word has length 27 [2022-11-19 06:37:30,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:30,380 INFO L495 AbstractCegarLoop]: Abstraction has 258 states and 298 transitions. [2022-11-19 06:37:30,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:30,380 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 298 transitions. [2022-11-19 06:37:30,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-19 06:37:30,382 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:30,382 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:30,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-19 06:37:30,383 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:30,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:30,383 INFO L85 PathProgramCache]: Analyzing trace with hash -2067233019, now seen corresponding path program 1 times [2022-11-19 06:37:30,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:30,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478510734] [2022-11-19 06:37:30,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:30,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:30,943 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:30,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:30,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478510734] [2022-11-19 06:37:30,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478510734] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:37:30,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470867401] [2022-11-19 06:37:30,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:30,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:37:30,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:37:30,951 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:37:30,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 06:37:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:31,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-19 06:37:31,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:37:31,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:37:31,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:37:31,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-19 06:37:31,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-19 06:37:31,473 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:31,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:37:31,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:31,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470867401] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:37:31,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [135440688] [2022-11-19 06:37:31,732 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-11-19 06:37:31,732 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:37:31,738 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:37:31,744 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:37:31,744 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:37:31,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:31,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:31,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 06:37:31,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:37:31,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:31,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-19 06:37:31,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:37:31,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:31,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:37:31,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:31,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:37:31,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:31,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:37:32,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-19 06:37:32,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:37:32,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-19 06:37:32,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:37:32,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 38 [2022-11-19 06:37:32,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:37:32,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:37:32,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 47 [2022-11-19 06:37:32,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,432 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-19 06:37:32,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 143 treesize of output 111 [2022-11-19 06:37:32,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-11-19 06:37:32,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-19 06:37:32,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:32,644 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-19 06:37:32,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-11-19 06:37:32,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-11-19 06:37:32,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-19 06:37:32,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-11-19 06:37:32,885 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-19 06:37:32,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 169 treesize of output 136 [2022-11-19 06:37:32,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 57 [2022-11-19 06:37:32,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:32,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-19 06:37:33,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:33,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:33,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:33,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:33,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:33,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:33,240 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-19 06:37:33,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 483 treesize of output 445 [2022-11-19 06:37:33,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:33,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:33,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:33,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:33,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:33,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:33,312 INFO L321 Elim1Store]: treesize reduction 131, result has 9.0 percent of original size [2022-11-19 06:37:33,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 621 treesize of output 624 [2022-11-19 06:37:33,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:33,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:33,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:33,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:33,391 INFO L321 Elim1Store]: treesize reduction 80, result has 33.9 percent of original size [2022-11-19 06:37:33,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 639 treesize of output 606 [2022-11-19 06:37:33,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:34,053 INFO L321 Elim1Store]: treesize reduction 296, result has 15.9 percent of original size [2022-11-19 06:37:34,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 19 case distinctions, treesize of input 1230 treesize of output 1211 [2022-11-19 06:37:34,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:34,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:34,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:34,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:35,090 INFO L321 Elim1Store]: treesize reduction 116, result has 22.1 percent of original size [2022-11-19 06:37:35,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 2133 treesize of output 1288 [2022-11-19 06:37:35,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:35,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:35,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:35,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:35,259 INFO L321 Elim1Store]: treesize reduction 232, result has 21.4 percent of original size [2022-11-19 06:37:35,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 2109 treesize of output 1967 [2022-11-19 06:37:35,353 INFO L321 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2022-11-19 06:37:35,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2053 treesize of output 1908 [2022-11-19 06:37:37,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:37,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:37,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:37,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:37,105 INFO L321 Elim1Store]: treesize reduction 134, result has 11.3 percent of original size [2022-11-19 06:37:37,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 22 case distinctions, treesize of input 3937 treesize of output 2318 [2022-11-19 06:37:37,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:37,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:37,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:37,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:37,295 INFO L321 Elim1Store]: treesize reduction 238, result has 8.8 percent of original size [2022-11-19 06:37:37,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 3955 treesize of output 3637 [2022-11-19 06:37:37,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:37,658 INFO L321 Elim1Store]: treesize reduction 410, result has 13.7 percent of original size [2022-11-19 06:37:37,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 3936 treesize of output 3782 [2022-11-19 06:37:37,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:37,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:37,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:37,846 INFO L321 Elim1Store]: treesize reduction 82, result has 34.4 percent of original size [2022-11-19 06:37:37,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 3888 treesize of output 3620 [2022-11-19 06:37:42,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:42,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:42,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:42,888 INFO L321 Elim1Store]: treesize reduction 164, result has 19.6 percent of original size [2022-11-19 06:37:42,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 14329 treesize of output 8383 [2022-11-19 06:37:43,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:43,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:43,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:43,254 INFO L321 Elim1Store]: treesize reduction 300, result has 18.9 percent of original size [2022-11-19 06:37:43,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 24 case distinctions, treesize of input 14291 treesize of output 13122 [2022-11-19 06:37:43,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:43,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:43,509 INFO L321 Elim1Store]: treesize reduction 73, result has 8.8 percent of original size [2022-11-19 06:37:43,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 14136 treesize of output 13160 [2022-11-19 06:37:48,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:37:48,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:37:48,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:37:48,466 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 06:37:48,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-19 06:37:48,493 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:37:48,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:37:48,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 06:37:48,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:37:48,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:37:48,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:37:48,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:48,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:37:48,592 INFO L321 Elim1Store]: treesize reduction 24, result has 38.5 percent of original size [2022-11-19 06:37:48,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 31 [2022-11-19 06:37:48,650 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:37:48,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:37:48,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:48,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-19 06:37:48,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:37:48,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-11-19 06:37:48,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 06:37:48,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:37:48,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:37:48,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:37:49,918 INFO L321 Elim1Store]: treesize reduction 46, result has 37.8 percent of original size [2022-11-19 06:37:49,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 125 treesize of output 145 [2022-11-19 06:37:50,102 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:37:50,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:37:50,144 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:37:50,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:37:50,385 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-19 06:37:50,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 418 treesize of output 421 [2022-11-19 06:37:50,415 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-19 06:37:50,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 410 treesize of output 381 [2022-11-19 06:37:50,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:37:50,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:50,845 INFO L321 Elim1Store]: treesize reduction 70, result has 28.6 percent of original size [2022-11-19 06:37:50,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 726 treesize of output 723 [2022-11-19 06:37:50,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:50,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:50,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 691 treesize of output 653 [2022-11-19 06:37:50,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:50,936 INFO L321 Elim1Store]: treesize reduction 39, result has 30.4 percent of original size [2022-11-19 06:37:50,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 704 treesize of output 687 [2022-11-19 06:37:52,495 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:37:52,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 29 [2022-11-19 06:37:52,544 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-11-19 06:37:52,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:37:52,632 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:37:52,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:37:52,816 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:37:52,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:37:52,878 INFO L321 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2022-11-19 06:37:52,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:37:52,941 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:37:52,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:37:53,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:53,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:37:53,155 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:37:55,629 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '14798#(and (<= 0 |#NULL.base|) (not (= (select |#valid| |ULTIMATE.start_inspect_before_~shape#1.base|) 1)) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= 0 |ULTIMATE.start_main_~node~1#1.offset|) (<= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_inspect_before_#in~shape#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~data~0#1.offset|) (<= |#NULL.base| 0) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_main_~data~0#1.offset| 0) (<= |ULTIMATE.start_inspect_before_#in~shape#1.offset| 0) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~node~1#1.offset| 0))' at error location [2022-11-19 06:37:55,629 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 06:37:55,629 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 06:37:55,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 13 [2022-11-19 06:37:55,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209957293] [2022-11-19 06:37:55,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 06:37:55,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-19 06:37:55,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:55,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-19 06:37:55,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=870, Unknown=0, NotChecked=0, Total=992 [2022-11-19 06:37:55,632 INFO L87 Difference]: Start difference. First operand 258 states and 298 transitions. Second operand has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:56,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:56,136 INFO L93 Difference]: Finished difference Result 434 states and 491 transitions. [2022-11-19 06:37:56,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 06:37:56,137 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-19 06:37:56,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:56,139 INFO L225 Difference]: With dead ends: 434 [2022-11-19 06:37:56,139 INFO L226 Difference]: Without dead ends: 430 [2022-11-19 06:37:56,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 56 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=137, Invalid=985, Unknown=0, NotChecked=0, Total=1122 [2022-11-19 06:37:56,141 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 526 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 1248 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:56,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 1248 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:37:56,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2022-11-19 06:37:56,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 269. [2022-11-19 06:37:56,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 168 states have (on average 1.7619047619047619) internal successors, (296), 266 states have internal predecessors, (296), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:56,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 310 transitions. [2022-11-19 06:37:56,149 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 310 transitions. Word has length 28 [2022-11-19 06:37:56,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:56,150 INFO L495 AbstractCegarLoop]: Abstraction has 269 states and 310 transitions. [2022-11-19 06:37:56,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:56,150 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 310 transitions. [2022-11-19 06:37:56,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 06:37:56,151 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:56,151 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:56,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 06:37:56,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:37:56,366 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:56,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:56,367 INFO L85 PathProgramCache]: Analyzing trace with hash -260397027, now seen corresponding path program 1 times [2022-11-19 06:37:56,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:56,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552105707] [2022-11-19 06:37:56,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:56,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:56,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:56,598 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:56,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552105707] [2022-11-19 06:37:56,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552105707] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:56,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:56,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:37:56,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118707518] [2022-11-19 06:37:56,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:56,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:37:56,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:56,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:37:56,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:37:56,602 INFO L87 Difference]: Start difference. First operand 269 states and 310 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:57,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:57,046 INFO L93 Difference]: Finished difference Result 441 states and 486 transitions. [2022-11-19 06:37:57,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:37:57,049 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-19 06:37:57,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:57,050 INFO L225 Difference]: With dead ends: 441 [2022-11-19 06:37:57,050 INFO L226 Difference]: Without dead ends: 441 [2022-11-19 06:37:57,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 06:37:57,055 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 428 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:57,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 478 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:37:57,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2022-11-19 06:37:57,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 274. [2022-11-19 06:37:57,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 173 states have (on average 1.76878612716763) internal successors, (306), 271 states have internal predecessors, (306), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:57,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 320 transitions. [2022-11-19 06:37:57,069 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 320 transitions. Word has length 31 [2022-11-19 06:37:57,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:57,069 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 320 transitions. [2022-11-19 06:37:57,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:57,070 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 320 transitions. [2022-11-19 06:37:57,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 06:37:57,070 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:57,070 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:57,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-19 06:37:57,071 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:57,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:57,071 INFO L85 PathProgramCache]: Analyzing trace with hash -260397028, now seen corresponding path program 1 times [2022-11-19 06:37:57,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:57,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73333888] [2022-11-19 06:37:57,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:57,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:57,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:37:57,174 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:57,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73333888] [2022-11-19 06:37:57,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73333888] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:57,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:57,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:37:57,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103736022] [2022-11-19 06:37:57,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:57,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:37:57,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:57,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:37:57,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:37:57,177 INFO L87 Difference]: Start difference. First operand 274 states and 320 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:57,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:57,737 INFO L93 Difference]: Finished difference Result 546 states and 628 transitions. [2022-11-19 06:37:57,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 06:37:57,738 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-19 06:37:57,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:57,740 INFO L225 Difference]: With dead ends: 546 [2022-11-19 06:37:57,740 INFO L226 Difference]: Without dead ends: 546 [2022-11-19 06:37:57,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:37:57,741 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 885 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 887 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:57,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [887 Valid, 442 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 06:37:57,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2022-11-19 06:37:57,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 274. [2022-11-19 06:37:57,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 175 states have (on average 1.7428571428571429) internal successors, (305), 271 states have internal predecessors, (305), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:57,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 319 transitions. [2022-11-19 06:37:57,751 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 319 transitions. Word has length 31 [2022-11-19 06:37:57,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:57,752 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 319 transitions. [2022-11-19 06:37:57,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:57,752 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 319 transitions. [2022-11-19 06:37:57,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-19 06:37:57,753 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:57,753 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:57,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-19 06:37:57,753 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:57,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:57,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1131391516, now seen corresponding path program 1 times [2022-11-19 06:37:57,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:57,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636163936] [2022-11-19 06:37:57,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:57,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:57,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:57,852 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:57,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636163936] [2022-11-19 06:37:57,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636163936] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:57,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:57,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 06:37:57,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585898276] [2022-11-19 06:37:57,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:57,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:37:57,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:57,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:37:57,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:37:57,857 INFO L87 Difference]: Start difference. First operand 274 states and 319 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:58,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:58,108 INFO L93 Difference]: Finished difference Result 371 states and 412 transitions. [2022-11-19 06:37:58,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 06:37:58,109 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-11-19 06:37:58,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:58,110 INFO L225 Difference]: With dead ends: 371 [2022-11-19 06:37:58,111 INFO L226 Difference]: Without dead ends: 371 [2022-11-19 06:37:58,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:37:58,111 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 711 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 713 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:58,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [713 Valid, 667 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 06:37:58,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2022-11-19 06:37:58,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 274. [2022-11-19 06:37:58,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 175 states have (on average 1.737142857142857) internal successors, (304), 271 states have internal predecessors, (304), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:58,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 318 transitions. [2022-11-19 06:37:58,119 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 318 transitions. Word has length 33 [2022-11-19 06:37:58,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:58,119 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 318 transitions. [2022-11-19 06:37:58,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:58,120 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 318 transitions. [2022-11-19 06:37:58,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-19 06:37:58,120 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:58,120 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:58,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-19 06:37:58,121 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:58,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:58,121 INFO L85 PathProgramCache]: Analyzing trace with hash 517949580, now seen corresponding path program 1 times [2022-11-19 06:37:58,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:58,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689905938] [2022-11-19 06:37:58,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:58,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:58,208 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:58,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:58,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689905938] [2022-11-19 06:37:58,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689905938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:58,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:58,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 06:37:58,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74753455] [2022-11-19 06:37:58,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:58,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:37:58,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:58,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:37:58,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:37:58,211 INFO L87 Difference]: Start difference. First operand 274 states and 318 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:58,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:58,535 INFO L93 Difference]: Finished difference Result 480 states and 533 transitions. [2022-11-19 06:37:58,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 06:37:58,537 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-19 06:37:58,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:58,539 INFO L225 Difference]: With dead ends: 480 [2022-11-19 06:37:58,539 INFO L226 Difference]: Without dead ends: 480 [2022-11-19 06:37:58,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-19 06:37:58,540 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 973 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 975 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:58,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [975 Valid, 776 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 06:37:58,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2022-11-19 06:37:58,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 274. [2022-11-19 06:37:58,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 175 states have (on average 1.7314285714285715) internal successors, (303), 271 states have internal predecessors, (303), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:58,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 317 transitions. [2022-11-19 06:37:58,549 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 317 transitions. Word has length 32 [2022-11-19 06:37:58,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:58,550 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 317 transitions. [2022-11-19 06:37:58,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:58,550 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 317 transitions. [2022-11-19 06:37:58,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-19 06:37:58,550 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:58,551 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:58,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-19 06:37:58,551 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr67REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:58,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:58,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1131392727, now seen corresponding path program 1 times [2022-11-19 06:37:58,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:58,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407899069] [2022-11-19 06:37:58,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:58,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:58,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:37:58,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:58,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407899069] [2022-11-19 06:37:58,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407899069] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:58,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:58,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:37:58,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687655590] [2022-11-19 06:37:58,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:58,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:37:58,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:58,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:37:58,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:37:58,703 INFO L87 Difference]: Start difference. First operand 274 states and 317 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:59,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:59,294 INFO L93 Difference]: Finished difference Result 492 states and 561 transitions. [2022-11-19 06:37:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 06:37:59,296 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-11-19 06:37:59,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:59,298 INFO L225 Difference]: With dead ends: 492 [2022-11-19 06:37:59,299 INFO L226 Difference]: Without dead ends: 492 [2022-11-19 06:37:59,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 06:37:59,299 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 422 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:59,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 558 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 06:37:59,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2022-11-19 06:37:59,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 271. [2022-11-19 06:37:59,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 175 states have (on average 1.697142857142857) internal successors, (297), 268 states have internal predecessors, (297), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:59,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 311 transitions. [2022-11-19 06:37:59,317 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 311 transitions. Word has length 33 [2022-11-19 06:37:59,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:59,318 INFO L495 AbstractCegarLoop]: Abstraction has 271 states and 311 transitions. [2022-11-19 06:37:59,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:59,318 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 311 transitions. [2022-11-19 06:37:59,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-19 06:37:59,319 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:59,319 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:59,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-19 06:37:59,319 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr68REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:59,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:59,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1131392726, now seen corresponding path program 1 times [2022-11-19 06:37:59,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:59,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985572975] [2022-11-19 06:37:59,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:59,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:59,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:59,481 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:59,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985572975] [2022-11-19 06:37:59,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985572975] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:59,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:59,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:37:59,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812539168] [2022-11-19 06:37:59,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:59,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:37:59,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:59,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:37:59,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:37:59,484 INFO L87 Difference]: Start difference. First operand 271 states and 311 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:59,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:59,906 INFO L93 Difference]: Finished difference Result 365 states and 404 transitions. [2022-11-19 06:37:59,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:37:59,907 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-11-19 06:37:59,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:59,909 INFO L225 Difference]: With dead ends: 365 [2022-11-19 06:37:59,909 INFO L226 Difference]: Without dead ends: 365 [2022-11-19 06:37:59,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-19 06:37:59,910 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 312 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:59,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 426 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:37:59,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2022-11-19 06:37:59,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 271. [2022-11-19 06:37:59,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 175 states have (on average 1.68) internal successors, (294), 268 states have internal predecessors, (294), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:59,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 308 transitions. [2022-11-19 06:37:59,917 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 308 transitions. Word has length 33 [2022-11-19 06:37:59,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:59,918 INFO L495 AbstractCegarLoop]: Abstraction has 271 states and 308 transitions. [2022-11-19 06:37:59,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:59,918 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 308 transitions. [2022-11-19 06:37:59,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-19 06:37:59,920 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:59,920 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:59,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-19 06:37:59,921 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:37:59,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:59,921 INFO L85 PathProgramCache]: Analyzing trace with hash -100268176, now seen corresponding path program 2 times [2022-11-19 06:37:59,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:59,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956890465] [2022-11-19 06:37:59,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:59,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:00,537 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:00,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:00,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956890465] [2022-11-19 06:38:00,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956890465] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:38:00,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163605102] [2022-11-19 06:38:00,538 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-19 06:38:00,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:38:00,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:38:00,543 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:38:00,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 06:38:00,745 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-19 06:38:00,745 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 06:38:00,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-19 06:38:00,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:38:00,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 06:38:00,791 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:38:00,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:38:00,809 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 06:38:00,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-19 06:38:00,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:38:01,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-19 06:38:01,055 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:01,055 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:38:01,257 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:01,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163605102] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:38:01,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2078465637] [2022-11-19 06:38:01,262 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-11-19 06:38:01,262 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:38:01,263 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:38:01,263 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:38:01,263 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:38:01,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 06:38:01,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:38:01,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-19 06:38:01,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:38:01,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-19 06:38:01,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:38:01,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:38:01,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:38:01,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:38:01,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:38:01,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-19 06:38:01,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 38 [2022-11-19 06:38:01,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:38:01,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:38:01,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 47 [2022-11-19 06:38:01,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,677 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-19 06:38:01,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 143 treesize of output 111 [2022-11-19 06:38:01,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-11-19 06:38:01,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-19 06:38:01,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:01,811 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-19 06:38:01,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-11-19 06:38:01,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-19 06:38:01,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-11-19 06:38:01,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:01,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-11-19 06:38:02,032 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-19 06:38:02,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 169 treesize of output 136 [2022-11-19 06:38:02,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:02,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:02,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:02,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:02,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:02,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:02,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-19 06:38:02,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:02,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:02,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:02,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:02,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:02,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:02,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 57 [2022-11-19 06:38:02,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:02,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:02,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:02,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:02,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:02,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:02,255 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-19 06:38:02,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 483 treesize of output 445 [2022-11-19 06:38:02,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:02,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:02,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:02,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:02,325 INFO L321 Elim1Store]: treesize reduction 80, result has 33.9 percent of original size [2022-11-19 06:38:02,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 627 treesize of output 594 [2022-11-19 06:38:02,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:02,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:02,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:02,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:02,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:02,380 INFO L321 Elim1Store]: treesize reduction 131, result has 9.0 percent of original size [2022-11-19 06:38:02,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 593 treesize of output 596 [2022-11-19 06:38:02,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:02,805 INFO L321 Elim1Store]: treesize reduction 296, result has 15.9 percent of original size [2022-11-19 06:38:02,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 19 case distinctions, treesize of input 1230 treesize of output 1211 [2022-11-19 06:38:03,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:03,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:03,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:03,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:03,636 INFO L321 Elim1Store]: treesize reduction 116, result has 22.1 percent of original size [2022-11-19 06:38:03,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 1462 treesize of output 893 [2022-11-19 06:38:03,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:03,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:03,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:03,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:03,797 INFO L321 Elim1Store]: treesize reduction 232, result has 21.4 percent of original size [2022-11-19 06:38:03,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 1452 treesize of output 1380 [2022-11-19 06:38:03,867 INFO L321 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2022-11-19 06:38:03,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1410 treesize of output 1313 [2022-11-19 06:38:04,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:04,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:04,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:04,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:05,011 INFO L321 Elim1Store]: treesize reduction 134, result has 11.3 percent of original size [2022-11-19 06:38:05,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 22 case distinctions, treesize of input 3497 treesize of output 2086 [2022-11-19 06:38:05,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:05,385 INFO L321 Elim1Store]: treesize reduction 410, result has 13.7 percent of original size [2022-11-19 06:38:05,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 3496 treesize of output 3374 [2022-11-19 06:38:05,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:05,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:05,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:05,536 INFO L321 Elim1Store]: treesize reduction 82, result has 34.4 percent of original size [2022-11-19 06:38:05,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 3460 treesize of output 3216 [2022-11-19 06:38:05,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:05,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:05,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:05,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:05,695 INFO L321 Elim1Store]: treesize reduction 238, result has 8.8 percent of original size [2022-11-19 06:38:05,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 3435 treesize of output 3155 [2022-11-19 06:38:07,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:07,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:07,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:07,919 INFO L321 Elim1Store]: treesize reduction 164, result has 19.6 percent of original size [2022-11-19 06:38:07,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 6984 treesize of output 4114 [2022-11-19 06:38:08,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:08,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:08,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:08,075 INFO L321 Elim1Store]: treesize reduction 73, result has 8.8 percent of original size [2022-11-19 06:38:08,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 6959 treesize of output 6495 [2022-11-19 06:38:08,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:08,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:08,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:08,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:08,309 INFO L321 Elim1Store]: treesize reduction 284, result has 18.2 percent of original size [2022-11-19 06:38:08,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 23 case distinctions, treesize of input 6960 treesize of output 6423 [2022-11-19 06:38:12,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:38:12,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:38:12,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:38:12,576 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:38:12,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:38:12,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:38:12,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 06:38:12,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:38:12,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:38:12,665 INFO L321 Elim1Store]: treesize reduction 24, result has 38.5 percent of original size [2022-11-19 06:38:12,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 33 [2022-11-19 06:38:12,708 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:38:12,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:38:12,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:38:12,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:12,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2022-11-19 06:38:12,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:12,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:38:12,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-11-19 06:38:12,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:38:12,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:38:12,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:38:12,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:38:12,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:38:13,916 INFO L321 Elim1Store]: treesize reduction 46, result has 37.8 percent of original size [2022-11-19 06:38:13,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 125 treesize of output 145 [2022-11-19 06:38:14,077 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:38:14,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:38:14,119 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:38:14,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:38:14,364 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-19 06:38:14,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 418 treesize of output 421 [2022-11-19 06:38:14,399 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-19 06:38:14,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 410 treesize of output 381 [2022-11-19 06:38:14,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:38:14,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:14,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:14,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 852 treesize of output 802 [2022-11-19 06:38:14,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:14,874 INFO L321 Elim1Store]: treesize reduction 70, result has 28.6 percent of original size [2022-11-19 06:38:14,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 857 treesize of output 850 [2022-11-19 06:38:14,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:14,938 INFO L321 Elim1Store]: treesize reduction 39, result has 30.4 percent of original size [2022-11-19 06:38:14,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 831 treesize of output 814 [2022-11-19 06:38:16,749 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:38:16,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:38:17,044 INFO L321 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2022-11-19 06:38:17,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:38:17,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2022-11-19 06:38:17,315 INFO L321 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2022-11-19 06:38:17,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:38:17,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2022-11-19 06:38:17,415 INFO L321 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2022-11-19 06:38:17,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:38:17,480 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-11-19 06:38:17,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:38:17,529 INFO L321 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2022-11-19 06:38:17,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:38:17,589 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-11-19 06:38:17,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:38:17,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:17,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:38:17,851 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:38:20,846 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '20146#(and (<= 0 |#NULL.base|) (not (= (select |#valid| |ULTIMATE.start_inspect_before_~shape#1.base|) 1)) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= 0 |ULTIMATE.start_main_~node~1#1.offset|) (<= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_inspect_before_#in~shape#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~data~0#1.offset|) (<= |#NULL.base| 0) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_main_~data~0#1.offset| 0) (<= |ULTIMATE.start_inspect_before_#in~shape#1.offset| 0) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~node~1#1.offset| 0))' at error location [2022-11-19 06:38:20,847 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 06:38:20,847 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 06:38:20,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 17 [2022-11-19 06:38:20,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605944898] [2022-11-19 06:38:20,847 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 06:38:20,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-19 06:38:20,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:20,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-19 06:38:20,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=1093, Unknown=0, NotChecked=0, Total=1260 [2022-11-19 06:38:20,849 INFO L87 Difference]: Start difference. First operand 271 states and 308 transitions. Second operand has 18 states, 17 states have (on average 5.235294117647059) internal successors, (89), 18 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:22,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:22,421 INFO L93 Difference]: Finished difference Result 580 states and 658 transitions. [2022-11-19 06:38:22,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-19 06:38:22,422 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.235294117647059) internal successors, (89), 18 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-11-19 06:38:22,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:22,425 INFO L225 Difference]: With dead ends: 580 [2022-11-19 06:38:22,425 INFO L226 Difference]: Without dead ends: 580 [2022-11-19 06:38:22,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 80 SyntacticMatches, 3 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=304, Invalid=1766, Unknown=0, NotChecked=0, Total=2070 [2022-11-19 06:38:22,426 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 1721 mSDsluCounter, 1143 mSDsCounter, 0 mSdLazyCounter, 1516 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1723 SdHoareTripleChecker+Valid, 1353 SdHoareTripleChecker+Invalid, 1801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 227 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:22,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1723 Valid, 1353 Invalid, 1801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1516 Invalid, 0 Unknown, 227 Unchecked, 1.3s Time] [2022-11-19 06:38:22,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2022-11-19 06:38:22,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 272. [2022-11-19 06:38:22,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 176 states have (on average 1.6818181818181819) internal successors, (296), 269 states have internal predecessors, (296), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:38:22,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 310 transitions. [2022-11-19 06:38:22,445 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 310 transitions. Word has length 34 [2022-11-19 06:38:22,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:22,446 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 310 transitions. [2022-11-19 06:38:22,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.235294117647059) internal successors, (89), 18 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:22,446 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 310 transitions. [2022-11-19 06:38:22,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-19 06:38:22,447 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:22,447 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:22,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 06:38:22,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-11-19 06:38:22,654 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:38:22,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:22,654 INFO L85 PathProgramCache]: Analyzing trace with hash -100268175, now seen corresponding path program 1 times [2022-11-19 06:38:22,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:22,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801013460] [2022-11-19 06:38:22,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:22,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:23,569 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:23,569 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:23,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801013460] [2022-11-19 06:38:23,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801013460] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:38:23,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210874299] [2022-11-19 06:38:23,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:23,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:38:23,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:38:23,571 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:38:23,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 06:38:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:23,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-19 06:38:23,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:38:23,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 06:38:23,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:23,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:38:23,877 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-19 06:38:23,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-19 06:38:23,923 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 06:38:23,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-19 06:38:23,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:38:23,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:38:24,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-19 06:38:24,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-19 06:38:24,360 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:24,360 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:38:25,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 79 [2022-11-19 06:38:25,843 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:25,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210874299] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:38:25,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1857822842] [2022-11-19 06:38:25,847 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-11-19 06:38:25,847 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:38:25,848 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:38:25,848 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:38:25,848 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:38:25,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:25,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:25,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 06:38:25,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:38:25,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:38:25,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:25,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-19 06:38:25,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:25,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:25,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:25,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:25,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:25,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-19 06:38:25,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:25,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:38:25,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:25,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:38:26,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:38:26,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-19 06:38:26,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:38:26,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:38:26,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 38 [2022-11-19 06:38:26,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:38:26,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:38:26,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 47 [2022-11-19 06:38:26,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,282 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-19 06:38:26,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 143 treesize of output 111 [2022-11-19 06:38:26,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-19 06:38:26,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-11-19 06:38:26,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:26,403 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-11-19 06:38:26,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 179 treesize of output 131 [2022-11-19 06:38:26,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 60 [2022-11-19 06:38:26,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-19 06:38:26,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-19 06:38:26,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,605 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-19 06:38:26,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 171 treesize of output 138 [2022-11-19 06:38:26,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2022-11-19 06:38:26,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 57 [2022-11-19 06:38:26,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:26,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:26,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:26,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:26,786 INFO L321 Elim1Store]: treesize reduction 79, result has 10.2 percent of original size [2022-11-19 06:38:26,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 494 treesize of output 497 [2022-11-19 06:38:26,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:26,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:26,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:26,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:26,846 INFO L321 Elim1Store]: treesize reduction 73, result has 17.0 percent of original size [2022-11-19 06:38:26,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 596 treesize of output 492 [2022-11-19 06:38:26,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:26,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:26,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:26,907 INFO L321 Elim1Store]: treesize reduction 98, result has 35.1 percent of original size [2022-11-19 06:38:26,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 740 treesize of output 707 [2022-11-19 06:38:27,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:27,292 INFO L321 Elim1Store]: treesize reduction 338, result has 16.7 percent of original size [2022-11-19 06:38:27,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 19 case distinctions, treesize of input 1426 treesize of output 1403 [2022-11-19 06:38:28,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:28,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:28,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:28,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:28,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:28,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:28,154 INFO L321 Elim1Store]: treesize reduction 122, result has 24.2 percent of original size [2022-11-19 06:38:28,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 3222 treesize of output 1769 [2022-11-19 06:38:28,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:28,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:28,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:28,395 INFO L321 Elim1Store]: treesize reduction 336, result has 14.3 percent of original size [2022-11-19 06:38:28,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 19 case distinctions, treesize of input 3203 treesize of output 2630 [2022-11-19 06:38:28,483 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-19 06:38:28,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 3066 treesize of output 2827 [2022-11-19 06:38:29,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:29,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:29,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:29,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:29,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:29,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:29,317 INFO L321 Elim1Store]: treesize reduction 142, result has 15.0 percent of original size [2022-11-19 06:38:29,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 22 case distinctions, treesize of input 3225 treesize of output 1764 [2022-11-19 06:38:29,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:29,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:29,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:29,500 INFO L321 Elim1Store]: treesize reduction 388, result has 8.5 percent of original size [2022-11-19 06:38:29,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 23 case distinctions, treesize of input 3243 treesize of output 2670 [2022-11-19 06:38:29,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:29,581 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:29,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:29,650 INFO L321 Elim1Store]: treesize reduction 100, result has 35.5 percent of original size [2022-11-19 06:38:29,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 3212 treesize of output 3004 [2022-11-19 06:38:29,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:29,965 INFO L321 Elim1Store]: treesize reduction 458, result has 14.4 percent of original size [2022-11-19 06:38:29,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 3144 treesize of output 3054 [2022-11-19 06:38:33,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:33,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:33,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:33,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:33,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:33,149 INFO L321 Elim1Store]: treesize reduction 170, result has 21.3 percent of original size [2022-11-19 06:38:33,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 11524 treesize of output 6264 [2022-11-19 06:38:33,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:33,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:33,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:33,493 INFO L321 Elim1Store]: treesize reduction 400, result has 12.3 percent of original size [2022-11-19 06:38:33,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 11505 treesize of output 9491 [2022-11-19 06:38:33,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:33,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:33,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:33,718 INFO L321 Elim1Store]: treesize reduction 85, result has 7.6 percent of original size [2022-11-19 06:38:33,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 11381 treesize of output 10603 [2022-11-19 06:38:38,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:38:38,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:38:38,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:38:39,002 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:38:39,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:38:39,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:38:39,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:38:39,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:38:39,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 06:38:39,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:38:39,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:39,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2022-11-19 06:38:39,090 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:38:39,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:38:39,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 29 [2022-11-19 06:38:39,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:39,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:38:39,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:38:39,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-11-19 06:38:39,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:38:39,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:38:39,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:38:39,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:38:40,132 INFO L321 Elim1Store]: treesize reduction 46, result has 37.8 percent of original size [2022-11-19 06:38:40,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 125 treesize of output 145 [2022-11-19 06:38:40,198 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:38:40,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:38:40,350 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-19 06:38:40,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 233 treesize of output 220 [2022-11-19 06:38:40,385 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-19 06:38:40,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 221 treesize of output 230 [2022-11-19 06:38:40,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:38:40,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:40,614 INFO L321 Elim1Store]: treesize reduction 70, result has 28.6 percent of original size [2022-11-19 06:38:40,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 330 treesize of output 343 [2022-11-19 06:38:40,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:40,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:40,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 311 treesize of output 297 [2022-11-19 06:38:40,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:40,700 INFO L321 Elim1Store]: treesize reduction 39, result has 30.4 percent of original size [2022-11-19 06:38:40,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 324 treesize of output 319 [2022-11-19 06:38:41,170 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:38:41,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:38:41,241 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:38:41,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:38:41,309 INFO L321 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2022-11-19 06:38:41,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:38:41,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:41,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:38:41,394 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:38:44,633 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '21269#(and (<= 0 |#NULL.base|) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= 0 |ULTIMATE.start_main_~node~1#1.offset|) (<= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_inspect_before_#in~shape#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~data~0#1.offset|) (<= |#NULL.base| 0) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_main_~data~0#1.offset| 0) (<= |ULTIMATE.start_inspect_before_#in~shape#1.offset| 0) (<= 0 |#StackHeapBarrier|) (or (not (<= 0 (+ 4 |ULTIMATE.start_inspect_before_~shape#1.offset|))) (not (<= (+ 8 |ULTIMATE.start_inspect_before_~shape#1.offset|) (select |#length| |ULTIMATE.start_inspect_before_~shape#1.base|)))) (<= |ULTIMATE.start_main_~node~1#1.offset| 0))' at error location [2022-11-19 06:38:44,633 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 06:38:44,633 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 06:38:44,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 28 [2022-11-19 06:38:44,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412304128] [2022-11-19 06:38:44,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 06:38:44,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-19 06:38:44,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:44,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-19 06:38:44,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=1941, Unknown=1, NotChecked=0, Total=2162 [2022-11-19 06:38:44,635 INFO L87 Difference]: Start difference. First operand 272 states and 310 transitions. Second operand has 29 states, 28 states have (on average 3.4285714285714284) internal successors, (96), 29 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:48,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:48,591 INFO L93 Difference]: Finished difference Result 853 states and 954 transitions. [2022-11-19 06:38:48,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-19 06:38:48,592 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 3.4285714285714284) internal successors, (96), 29 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-11-19 06:38:48,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:48,596 INFO L225 Difference]: With dead ends: 853 [2022-11-19 06:38:48,596 INFO L226 Difference]: Without dead ends: 853 [2022-11-19 06:38:48,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1881 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=967, Invalid=5352, Unknown=1, NotChecked=0, Total=6320 [2022-11-19 06:38:48,600 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 3585 mSDsluCounter, 1337 mSDsCounter, 0 mSdLazyCounter, 2107 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3587 SdHoareTripleChecker+Valid, 1489 SdHoareTripleChecker+Invalid, 2935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 2107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 715 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:48,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3587 Valid, 1489 Invalid, 2935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 2107 Invalid, 0 Unknown, 715 Unchecked, 2.1s Time] [2022-11-19 06:38:48,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2022-11-19 06:38:48,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 288. [2022-11-19 06:38:48,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 195 states have (on average 1.6205128205128205) internal successors, (316), 285 states have internal predecessors, (316), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:38:48,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 330 transitions. [2022-11-19 06:38:48,610 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 330 transitions. Word has length 34 [2022-11-19 06:38:48,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:48,610 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 330 transitions. [2022-11-19 06:38:48,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 3.4285714285714284) internal successors, (96), 29 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:48,611 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 330 transitions. [2022-11-19 06:38:48,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-19 06:38:48,611 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:48,612 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:48,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 06:38:48,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-11-19 06:38:48,819 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr37REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:38:48,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:48,819 INFO L85 PathProgramCache]: Analyzing trace with hash -767870067, now seen corresponding path program 1 times [2022-11-19 06:38:48,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:48,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959910608] [2022-11-19 06:38:48,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:48,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:49,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:49,224 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:49,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959910608] [2022-11-19 06:38:49,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959910608] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:38:49,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159890786] [2022-11-19 06:38:49,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:49,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:38:49,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:38:49,227 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:38:49,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 06:38:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:49,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-19 06:38:49,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:38:49,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:38:49,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:38:49,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-19 06:38:49,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-19 06:38:49,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:49,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:38:49,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:49,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159890786] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:38:49,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1322846032] [2022-11-19 06:38:49,817 INFO L159 IcfgInterpreter]: Started Sifa with 33 locations of interest [2022-11-19 06:38:49,817 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:38:49,817 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:38:49,818 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:38:49,818 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:38:49,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:49,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:49,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 06:38:49,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:49,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-19 06:38:49,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:38:49,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:38:49,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:49,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:49,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:49,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:49,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:49,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-19 06:38:49,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:49,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:38:49,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:49,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:38:49,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:49,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:38:49,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:49,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:38:50,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-19 06:38:50,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:38:50,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 38 [2022-11-19 06:38:50,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:38:50,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:38:50,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 47 [2022-11-19 06:38:50,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,274 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-19 06:38:50,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 143 treesize of output 111 [2022-11-19 06:38:50,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-19 06:38:50,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-11-19 06:38:50,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:50,387 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-19 06:38:50,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-11-19 06:38:50,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-11-19 06:38:50,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-11-19 06:38:50,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-19 06:38:50,590 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-19 06:38:50,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 169 treesize of output 136 [2022-11-19 06:38:50,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 57 [2022-11-19 06:38:50,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-19 06:38:50,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:50,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:50,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:50,761 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-19 06:38:50,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 483 treesize of output 445 [2022-11-19 06:38:50,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:50,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:50,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:50,813 INFO L321 Elim1Store]: treesize reduction 131, result has 9.0 percent of original size [2022-11-19 06:38:50,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 621 treesize of output 624 [2022-11-19 06:38:50,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:50,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:50,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:50,868 INFO L321 Elim1Store]: treesize reduction 80, result has 33.9 percent of original size [2022-11-19 06:38:50,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 639 treesize of output 606 [2022-11-19 06:38:51,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:51,279 INFO L321 Elim1Store]: treesize reduction 296, result has 15.9 percent of original size [2022-11-19 06:38:51,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 19 case distinctions, treesize of input 1230 treesize of output 1211 [2022-11-19 06:38:51,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:51,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:51,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:51,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:51,872 INFO L321 Elim1Store]: treesize reduction 116, result has 22.1 percent of original size [2022-11-19 06:38:51,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 1462 treesize of output 893 [2022-11-19 06:38:51,941 INFO L321 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2022-11-19 06:38:51,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1438 treesize of output 1341 [2022-11-19 06:38:51,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:51,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:51,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:51,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:52,073 INFO L321 Elim1Store]: treesize reduction 232, result has 21.4 percent of original size [2022-11-19 06:38:52,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 1452 treesize of output 1380 [2022-11-19 06:38:52,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:52,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:52,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:52,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:52,556 INFO L321 Elim1Store]: treesize reduction 134, result has 11.3 percent of original size [2022-11-19 06:38:52,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 22 case distinctions, treesize of input 1533 treesize of output 908 [2022-11-19 06:38:52,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:52,830 INFO L321 Elim1Store]: treesize reduction 410, result has 13.7 percent of original size [2022-11-19 06:38:52,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1532 treesize of output 1506 [2022-11-19 06:38:52,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:52,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:52,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:52,958 INFO L321 Elim1Store]: treesize reduction 82, result has 34.4 percent of original size [2022-11-19 06:38:52,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1496 treesize of output 1424 [2022-11-19 06:38:53,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:53,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:53,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:53,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:53,082 INFO L321 Elim1Store]: treesize reduction 238, result has 8.8 percent of original size [2022-11-19 06:38:53,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 1499 treesize of output 1401 [2022-11-19 06:38:54,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:54,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:54,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:54,652 INFO L321 Elim1Store]: treesize reduction 164, result has 19.6 percent of original size [2022-11-19 06:38:54,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 6103 treesize of output 3625 [2022-11-19 06:38:54,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:54,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:54,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:54,782 INFO L321 Elim1Store]: treesize reduction 73, result has 8.8 percent of original size [2022-11-19 06:38:54,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 6064 treesize of output 5648 [2022-11-19 06:38:54,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:54,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:54,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:54,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:38:54,971 INFO L321 Elim1Store]: treesize reduction 284, result has 18.2 percent of original size [2022-11-19 06:38:54,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 23 case distinctions, treesize of input 6065 treesize of output 5632 [2022-11-19 06:38:56,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:38:56,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:38:56,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:38:56,186 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:38:56,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:38:56,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:38:56,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:38:56,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 06:38:56,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:38:56,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:56,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:38:56,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:38:56,275 INFO L321 Elim1Store]: treesize reduction 24, result has 38.5 percent of original size [2022-11-19 06:38:56,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 31 [2022-11-19 06:38:56,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:56,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-19 06:38:56,330 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:38:56,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:38:56,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 06:38:56,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:38:56,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-11-19 06:38:56,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:38:56,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:38:56,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:38:56,691 INFO L321 Elim1Store]: treesize reduction 46, result has 37.8 percent of original size [2022-11-19 06:38:56,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 125 treesize of output 145 [2022-11-19 06:38:56,834 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:38:56,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:38:56,871 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-11-19 06:38:56,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 1 [2022-11-19 06:38:57,056 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-19 06:38:57,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 351 treesize of output 360 [2022-11-19 06:38:57,083 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-19 06:38:57,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 349 treesize of output 320 [2022-11-19 06:38:57,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:38:57,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:57,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:38:57,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:57,372 INFO L321 Elim1Store]: treesize reduction 70, result has 28.6 percent of original size [2022-11-19 06:38:57,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 539 treesize of output 546 [2022-11-19 06:38:57,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:57,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:57,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 514 treesize of output 484 [2022-11-19 06:38:57,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:57,447 INFO L321 Elim1Store]: treesize reduction 39, result has 30.4 percent of original size [2022-11-19 06:38:57,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 527 treesize of output 516 [2022-11-19 06:38:58,242 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:38:58,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:38:58,268 INFO L321 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2022-11-19 06:38:58,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:38:58,305 INFO L321 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2022-11-19 06:38:58,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:38:58,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2022-11-19 06:38:58,454 INFO L321 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2022-11-19 06:38:58,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:38:58,487 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-11-19 06:38:58,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:38:58,671 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:39:02,670 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '22706#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_inspect_before_~shape#1.base|) |ULTIMATE.start_inspect_before_~shape#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_inspect_before_~shape#1.base|) |ULTIMATE.start_inspect_before_~shape#1.offset|)) 0) (= |ULTIMATE.start_seq_sort_core_#in~data#1.base| |ULTIMATE.start_seq_sort_core_~data#1.base|) (= |ULTIMATE.start_main_~data~0#1.base| |ULTIMATE.start_seq_sort_core_#in~data#1.base|) (<= 0 |#NULL.base|) (<= |ULTIMATE.start_inspect_before_~shape#1.offset| 0) (<= 0 |ULTIMATE.start_inspect_before_~shape#1.offset|) (= (select |#valid| |ULTIMATE.start_inspect_before_~shape#1.base|) 1) (not (= |ULTIMATE.start_seq_sort_core_~data#1.base| 0)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_seq_sort_core_~data#1.base|) |ULTIMATE.start_seq_sort_core_~data#1.offset|) |ULTIMATE.start_seq_sort_core_#t~mem18#1.base|) (<= (+ 4 |ULTIMATE.start_inspect_before_~shape#1.offset|) (select |#length| |ULTIMATE.start_inspect_before_~shape#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_inspect_before_~shape#1.base|) |ULTIMATE.start_inspect_before_~shape#1.offset|)) 1) (= |ULTIMATE.start_seq_sort_core_#in~data#1.offset| |ULTIMATE.start_main_~data~0#1.offset|) (= |ULTIMATE.start_seq_sort_core_~dst~0#1.base| 0) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= 0 |ULTIMATE.start_main_~node~1#1.offset|) (<= |#NULL.offset| 0) (or (not (<= (+ |ULTIMATE.start_seq_sort_core_~next~0#1.offset| 4) (select |#length| |ULTIMATE.start_seq_sort_core_~next~0#1.base|))) (not (<= 0 |ULTIMATE.start_seq_sort_core_~next~0#1.offset|))) (<= 0 |ULTIMATE.start_inspect_before_#in~shape#1.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_inspect_before_~shape#1.base|) |ULTIMATE.start_inspect_before_~shape#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_inspect_before_~shape#1.base|) |ULTIMATE.start_inspect_before_~shape#1.offset|)) 0) (= (select |#valid| |ULTIMATE.start_main_~data~0#1.base|) 1) (= |ULTIMATE.start_seq_sort_core_#t~mem18#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_seq_sort_core_~data#1.base|) |ULTIMATE.start_seq_sort_core_~data#1.offset|)) (<= (+ |ULTIMATE.start_seq_sort_core_~data#1.offset| 8) (select |#length| |ULTIMATE.start_seq_sort_core_~data#1.base|)) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_seq_sort_core_~data#1.base|) (+ |ULTIMATE.start_seq_sort_core_~data#1.offset| 4)) |ULTIMATE.start_seq_sort_core_~next~0#1.offset|) (or (not (= |ULTIMATE.start_seq_sort_core_~next~0#1.base| 0)) (not (= |ULTIMATE.start_seq_sort_core_~next~0#1.offset| 0))) (<= 0 |ULTIMATE.start_main_~data~0#1.offset|) (<= |#NULL.base| 0) (= |ULTIMATE.start_seq_sort_core_~dst~0#1.offset| 0) (= |ULTIMATE.start_seq_sort_core_~data#1.offset| |ULTIMATE.start_seq_sort_core_#in~data#1.offset|) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_inspect_before_~shape#1.base|) |ULTIMATE.start_inspect_before_~shape#1.offset|)) (= |ULTIMATE.start_seq_sort_core_~next~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_seq_sort_core_~data#1.base|) (+ |ULTIMATE.start_seq_sort_core_~data#1.offset| 4))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_inspect_before_~shape#1.base|) |ULTIMATE.start_inspect_before_~shape#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_inspect_before_~shape#1.base|) |ULTIMATE.start_inspect_before_~shape#1.offset|))) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_main_~data~0#1.offset| 0) (<= |ULTIMATE.start_inspect_before_#in~shape#1.offset| 0) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~node~1#1.offset| 0))' at error location [2022-11-19 06:39:02,670 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 06:39:02,670 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 06:39:02,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 4] total 9 [2022-11-19 06:39:02,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614642133] [2022-11-19 06:39:02,670 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 06:39:02,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 06:39:02,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:39:02,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 06:39:02,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=741, Unknown=0, NotChecked=0, Total=870 [2022-11-19 06:39:02,672 INFO L87 Difference]: Start difference. First operand 288 states and 330 transitions. Second operand has 10 states, 10 states have (on average 6.4) internal successors, (64), 9 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:02,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:39:02,990 INFO L93 Difference]: Finished difference Result 349 states and 395 transitions. [2022-11-19 06:39:02,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 06:39:02,991 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 9 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-11-19 06:39:02,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:39:02,993 INFO L225 Difference]: With dead ends: 349 [2022-11-19 06:39:02,993 INFO L226 Difference]: Without dead ends: 349 [2022-11-19 06:39:02,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 76 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=135, Invalid=795, Unknown=0, NotChecked=0, Total=930 [2022-11-19 06:39:02,994 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 50 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:39:02,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 829 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 06:39:02,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2022-11-19 06:39:03,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 303. [2022-11-19 06:39:03,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 210 states have (on average 1.5761904761904761) internal successors, (331), 300 states have internal predecessors, (331), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:39:03,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 345 transitions. [2022-11-19 06:39:03,002 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 345 transitions. Word has length 34 [2022-11-19 06:39:03,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:39:03,002 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 345 transitions. [2022-11-19 06:39:03,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 9 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:03,003 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 345 transitions. [2022-11-19 06:39:03,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-19 06:39:03,003 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:39:03,003 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:39:03,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-19 06:39:03,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:39:03,210 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:39:03,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:39:03,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1583015888, now seen corresponding path program 1 times [2022-11-19 06:39:03,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:39:03,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524874231] [2022-11-19 06:39:03,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:03,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:39:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:03,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:39:03,792 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:39:03,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524874231] [2022-11-19 06:39:03,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524874231] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:39:03,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:39:03,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-19 06:39:03,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39527810] [2022-11-19 06:39:03,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:39:03,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-19 06:39:03,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:39:03,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-19 06:39:03,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-11-19 06:39:03,794 INFO L87 Difference]: Start difference. First operand 303 states and 345 transitions. Second operand has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 12 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:04,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:39:04,469 INFO L93 Difference]: Finished difference Result 458 states and 508 transitions. [2022-11-19 06:39:04,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-19 06:39:04,470 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 12 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-11-19 06:39:04,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:39:04,472 INFO L225 Difference]: With dead ends: 458 [2022-11-19 06:39:04,472 INFO L226 Difference]: Without dead ends: 458 [2022-11-19 06:39:04,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2022-11-19 06:39:04,473 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 1443 mSDsluCounter, 872 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1445 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:39:04,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1445 Valid, 1041 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 06:39:04,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2022-11-19 06:39:04,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 312. [2022-11-19 06:39:04,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 219 states have (on average 1.5570776255707763) internal successors, (341), 309 states have internal predecessors, (341), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:39:04,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 355 transitions. [2022-11-19 06:39:04,481 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 355 transitions. Word has length 36 [2022-11-19 06:39:04,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:39:04,481 INFO L495 AbstractCegarLoop]: Abstraction has 312 states and 355 transitions. [2022-11-19 06:39:04,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 12 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:04,481 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 355 transitions. [2022-11-19 06:39:04,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-19 06:39:04,482 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:39:04,482 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:39:04,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-19 06:39:04,482 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:39:04,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:39:04,483 INFO L85 PathProgramCache]: Analyzing trace with hash -268978756, now seen corresponding path program 1 times [2022-11-19 06:39:04,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:39:04,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886535273] [2022-11-19 06:39:04,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:04,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:39:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:04,721 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-19 06:39:04,721 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:39:04,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886535273] [2022-11-19 06:39:04,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886535273] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:39:04,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462149929] [2022-11-19 06:39:04,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:04,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:39:04,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:39:04,724 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:39:04,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 06:39:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:04,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-19 06:39:04,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:39:05,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2022-11-19 06:39:05,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-11-19 06:39:05,088 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-19 06:39:05,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:39:05,195 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-19 06:39:05,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462149929] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:39:05,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [895910096] [2022-11-19 06:39:05,201 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-19 06:39:05,201 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:39:05,201 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:39:05,202 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:39:05,202 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:39:05,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 06:39:05,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:39:05,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-19 06:39:05,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:39:05,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:39:05,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-19 06:39:05,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:39:05,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:39:05,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:39:05,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:39:05,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-19 06:39:05,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 38 [2022-11-19 06:39:05,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:39:05,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:39:05,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 47 [2022-11-19 06:39:05,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,605 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-19 06:39:05,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 143 treesize of output 111 [2022-11-19 06:39:05,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-11-19 06:39:05,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-19 06:39:05,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:05,748 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-11-19 06:39:05,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 179 treesize of output 131 [2022-11-19 06:39:05,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-19 06:39:05,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-19 06:39:05,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-11-19 06:39:05,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,966 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-19 06:39:05,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 171 treesize of output 138 [2022-11-19 06:39:05,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:05,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 57 [2022-11-19 06:39:06,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:06,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:06,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:06,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:06,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:06,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:06,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:06,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2022-11-19 06:39:06,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:06,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:06,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:06,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:06,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:06,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:06,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:06,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:06,153 INFO L321 Elim1Store]: treesize reduction 67, result has 11.8 percent of original size [2022-11-19 06:39:06,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 480 treesize of output 442 [2022-11-19 06:39:06,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:06,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:06,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:06,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:06,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:06,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:06,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:06,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:06,208 INFO L321 Elim1Store]: treesize reduction 133, result has 10.1 percent of original size [2022-11-19 06:39:06,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 618 treesize of output 621 [2022-11-19 06:39:06,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:06,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:06,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:06,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:06,270 INFO L321 Elim1Store]: treesize reduction 98, result has 35.1 percent of original size [2022-11-19 06:39:06,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 726 treesize of output 693 [2022-11-19 06:39:06,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:06,740 INFO L321 Elim1Store]: treesize reduction 338, result has 16.7 percent of original size [2022-11-19 06:39:06,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 19 case distinctions, treesize of input 1398 treesize of output 1383 [2022-11-19 06:39:07,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:07,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:07,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:07,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:07,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:07,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:07,481 INFO L321 Elim1Store]: treesize reduction 214, result has 16.7 percent of original size [2022-11-19 06:39:07,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 2541 treesize of output 1444 [2022-11-19 06:39:07,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:07,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:07,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:07,668 INFO L321 Elim1Store]: treesize reduction 370, result has 13.1 percent of original size [2022-11-19 06:39:07,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 2542 treesize of output 2032 [2022-11-19 06:39:07,767 INFO L321 Elim1Store]: treesize reduction 158, result has 13.7 percent of original size [2022-11-19 06:39:07,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 2425 treesize of output 2208 [2022-11-19 06:39:09,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:09,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:09,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:09,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:09,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:09,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:09,557 INFO L321 Elim1Store]: treesize reduction 268, result has 11.8 percent of original size [2022-11-19 06:39:09,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 23 case distinctions, treesize of input 8796 treesize of output 4739 [2022-11-19 06:39:09,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:09,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:09,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:09,825 INFO L321 Elim1Store]: treesize reduction 464, result has 9.2 percent of original size [2022-11-19 06:39:09,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 24 case distinctions, treesize of input 8814 treesize of output 6852 [2022-11-19 06:39:09,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:09,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:09,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:10,042 INFO L321 Elim1Store]: treesize reduction 174, result has 26.0 percent of original size [2022-11-19 06:39:10,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 8783 treesize of output 7973 [2022-11-19 06:39:10,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:10,420 INFO L321 Elim1Store]: treesize reduction 458, result has 14.4 percent of original size [2022-11-19 06:39:10,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 8635 treesize of output 8283 [2022-11-19 06:39:17,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:17,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:17,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:17,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:17,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:17,545 INFO L321 Elim1Store]: treesize reduction 270, result has 15.6 percent of original size [2022-11-19 06:39:17,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 30531 treesize of output 16433 [2022-11-19 06:39:17,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:17,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:17,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:18,070 INFO L321 Elim1Store]: treesize reduction 438, result has 11.3 percent of original size [2022-11-19 06:39:18,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 25 case distinctions, treesize of input 30212 treesize of output 23719 [2022-11-19 06:39:18,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:18,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:18,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:18,506 INFO L321 Elim1Store]: treesize reduction 202, result has 11.0 percent of original size [2022-11-19 06:39:18,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 29788 treesize of output 27204 [2022-11-19 06:39:29,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:39:29,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:39:29,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:39:29,373 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 06:39:29,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-19 06:39:29,399 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:39:29,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:39:29,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:39:29,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:39:29,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 06:39:29,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:29,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:39:29,473 INFO L321 Elim1Store]: treesize reduction 24, result has 38.5 percent of original size [2022-11-19 06:39:29,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 33 [2022-11-19 06:39:29,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:29,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2022-11-19 06:39:29,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:39:29,529 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:39:29,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:39:29,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:39:29,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-11-19 06:39:29,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:39:29,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:39:29,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:39:29,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:39:30,454 INFO L321 Elim1Store]: treesize reduction 46, result has 37.8 percent of original size [2022-11-19 06:39:30,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 125 treesize of output 145 [2022-11-19 06:39:30,576 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:39:30,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:39:30,610 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-11-19 06:39:30,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 1 [2022-11-19 06:39:30,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:39:30,772 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-19 06:39:30,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 351 treesize of output 360 [2022-11-19 06:39:30,803 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-19 06:39:30,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 349 treesize of output 320 [2022-11-19 06:39:30,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:30,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:39:30,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:30,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:30,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 414 treesize of output 388 [2022-11-19 06:39:30,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:31,036 INFO L321 Elim1Store]: treesize reduction 70, result has 28.6 percent of original size [2022-11-19 06:39:31,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 419 treesize of output 430 [2022-11-19 06:39:31,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:31,079 INFO L321 Elim1Store]: treesize reduction 39, result has 30.4 percent of original size [2022-11-19 06:39:31,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 411 treesize of output 406 [2022-11-19 06:39:31,519 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:39:31,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:39:31,573 INFO L197 IcfgInterpreter]: Interpreting procedure fail with input of size 10 for LOIs [2022-11-19 06:39:31,574 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:39:33,977 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '24409#(and (<= 0 |#NULL.base|) (<= |#NULL.offset| 0) (<= |#NULL.base| 0) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|))' at error location [2022-11-19 06:39:33,977 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 06:39:33,977 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 06:39:33,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2022-11-19 06:39:33,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118881860] [2022-11-19 06:39:33,978 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 06:39:33,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-19 06:39:33,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:39:33,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-19 06:39:33,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=781, Unknown=0, NotChecked=0, Total=930 [2022-11-19 06:39:33,980 INFO L87 Difference]: Start difference. First operand 312 states and 355 transitions. Second operand has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:34,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:39:34,446 INFO L93 Difference]: Finished difference Result 310 states and 349 transitions. [2022-11-19 06:39:34,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 06:39:34,447 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-11-19 06:39:34,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:39:34,447 INFO L225 Difference]: With dead ends: 310 [2022-11-19 06:39:34,448 INFO L226 Difference]: Without dead ends: 310 [2022-11-19 06:39:34,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=193, Invalid=997, Unknown=0, NotChecked=0, Total=1190 [2022-11-19 06:39:34,450 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 557 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:39:34,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 390 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:39:34,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2022-11-19 06:39:34,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2022-11-19 06:39:34,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 219 states have (on average 1.538812785388128) internal successors, (337), 307 states have internal predecessors, (337), 10 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:39:34,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 349 transitions. [2022-11-19 06:39:34,466 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 349 transitions. Word has length 38 [2022-11-19 06:39:34,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:39:34,466 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 349 transitions. [2022-11-19 06:39:34,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:34,467 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 349 transitions. [2022-11-19 06:39:34,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-19 06:39:34,467 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:39:34,468 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:39:34,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-19 06:39:34,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2022-11-19 06:39:34,674 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:39:34,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:39:34,675 INFO L85 PathProgramCache]: Analyzing trace with hash 866023571, now seen corresponding path program 1 times [2022-11-19 06:39:34,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:39:34,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126443942] [2022-11-19 06:39:34,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:34,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:39:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:34,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:39:34,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:39:34,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126443942] [2022-11-19 06:39:34,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126443942] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:39:34,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:39:34,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 06:39:34,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198419585] [2022-11-19 06:39:34,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:39:34,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 06:39:34,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:39:34,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 06:39:34,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 06:39:34,898 INFO L87 Difference]: Start difference. First operand 310 states and 349 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:35,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:39:35,375 INFO L93 Difference]: Finished difference Result 387 states and 422 transitions. [2022-11-19 06:39:35,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 06:39:35,375 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-11-19 06:39:35,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:39:35,377 INFO L225 Difference]: With dead ends: 387 [2022-11-19 06:39:35,378 INFO L226 Difference]: Without dead ends: 387 [2022-11-19 06:39:35,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2022-11-19 06:39:35,378 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 714 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 716 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:39:35,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [716 Valid, 916 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:39:35,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2022-11-19 06:39:35,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 310. [2022-11-19 06:39:35,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 219 states have (on average 1.5342465753424657) internal successors, (336), 307 states have internal predecessors, (336), 10 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:39:35,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 348 transitions. [2022-11-19 06:39:35,384 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 348 transitions. Word has length 39 [2022-11-19 06:39:35,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:39:35,385 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 348 transitions. [2022-11-19 06:39:35,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:35,385 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 348 transitions. [2022-11-19 06:39:35,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-19 06:39:35,386 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:39:35,386 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:39:35,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-19 06:39:35,386 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr37REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:39:35,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:39:35,387 INFO L85 PathProgramCache]: Analyzing trace with hash -543981640, now seen corresponding path program 2 times [2022-11-19 06:39:35,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:39:35,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436308576] [2022-11-19 06:39:35,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:35,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:39:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:35,925 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:39:35,925 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:39:35,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436308576] [2022-11-19 06:39:35,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436308576] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:39:35,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390202224] [2022-11-19 06:39:35,926 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-19 06:39:35,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:39:35,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:39:35,927 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:39:35,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-19 06:39:36,107 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-19 06:39:36,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 06:39:36,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-19 06:39:36,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:39:36,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-19 06:39:36,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-19 06:39:36,265 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-19 06:39:36,265 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:39:36,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390202224] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:39:36,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 06:39:36,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2022-11-19 06:39:36,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009074710] [2022-11-19 06:39:36,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:39:36,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:39:36,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:39:36,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:39:36,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2022-11-19 06:39:36,267 INFO L87 Difference]: Start difference. First operand 310 states and 348 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:36,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:39:36,567 INFO L93 Difference]: Finished difference Result 347 states and 386 transitions. [2022-11-19 06:39:36,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:39:36,567 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-11-19 06:39:36,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:39:36,569 INFO L225 Difference]: With dead ends: 347 [2022-11-19 06:39:36,570 INFO L226 Difference]: Without dead ends: 347 [2022-11-19 06:39:36,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2022-11-19 06:39:36,570 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 118 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:39:36,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 780 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 06:39:36,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2022-11-19 06:39:36,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 295. [2022-11-19 06:39:36,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 204 states have (on average 1.5686274509803921) internal successors, (320), 292 states have internal predecessors, (320), 10 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:39:36,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 332 transitions. [2022-11-19 06:39:36,575 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 332 transitions. Word has length 40 [2022-11-19 06:39:36,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:39:36,576 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 332 transitions. [2022-11-19 06:39:36,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:36,576 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 332 transitions. [2022-11-19 06:39:36,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-19 06:39:36,577 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:39:36,577 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:39:36,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-19 06:39:36,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2022-11-19 06:39:36,783 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr73REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:39:36,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:39:36,783 INFO L85 PathProgramCache]: Analyzing trace with hash -975101704, now seen corresponding path program 1 times [2022-11-19 06:39:36,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:39:36,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606533508] [2022-11-19 06:39:36,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:36,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:39:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:36,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:39:36,958 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:39:36,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606533508] [2022-11-19 06:39:36,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606533508] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:39:36,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:39:36,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 06:39:36,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671509109] [2022-11-19 06:39:36,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:39:36,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 06:39:36,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:39:36,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 06:39:36,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-19 06:39:36,962 INFO L87 Difference]: Start difference. First operand 295 states and 332 transitions. Second operand has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:37,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:39:37,413 INFO L93 Difference]: Finished difference Result 330 states and 367 transitions. [2022-11-19 06:39:37,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 06:39:37,413 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-11-19 06:39:37,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:39:37,415 INFO L225 Difference]: With dead ends: 330 [2022-11-19 06:39:37,415 INFO L226 Difference]: Without dead ends: 330 [2022-11-19 06:39:37,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-11-19 06:39:37,416 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 144 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:39:37,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 787 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:39:37,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-11-19 06:39:37,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 300. [2022-11-19 06:39:37,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 211 states have (on average 1.5355450236966826) internal successors, (324), 297 states have internal predecessors, (324), 10 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:39:37,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 336 transitions. [2022-11-19 06:39:37,423 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 336 transitions. Word has length 41 [2022-11-19 06:39:37,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:39:37,423 INFO L495 AbstractCegarLoop]: Abstraction has 300 states and 336 transitions. [2022-11-19 06:39:37,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:37,424 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 336 transitions. [2022-11-19 06:39:37,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-19 06:39:37,424 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:39:37,424 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:39:37,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-19 06:39:37,425 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr74REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:39:37,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:39:37,425 INFO L85 PathProgramCache]: Analyzing trace with hash -975101703, now seen corresponding path program 1 times [2022-11-19 06:39:37,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:39:37,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202447030] [2022-11-19 06:39:37,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:37,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:39:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:37,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:39:37,801 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:39:37,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202447030] [2022-11-19 06:39:37,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202447030] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:39:37,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:39:37,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 06:39:37,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622295785] [2022-11-19 06:39:37,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:39:37,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 06:39:37,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:39:37,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 06:39:37,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-19 06:39:37,803 INFO L87 Difference]: Start difference. First operand 300 states and 336 transitions. Second operand has 10 states, 9 states have (on average 4.555555555555555) internal successors, (41), 10 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:38,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:39:38,524 INFO L93 Difference]: Finished difference Result 380 states and 415 transitions. [2022-11-19 06:39:38,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-19 06:39:38,525 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.555555555555555) internal successors, (41), 10 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-11-19 06:39:38,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:39:38,526 INFO L225 Difference]: With dead ends: 380 [2022-11-19 06:39:38,526 INFO L226 Difference]: Without dead ends: 380 [2022-11-19 06:39:38,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2022-11-19 06:39:38,527 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 970 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 972 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:39:38,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [972 Valid, 810 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 06:39:38,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2022-11-19 06:39:38,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 303. [2022-11-19 06:39:38,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 214 states have (on average 1.52803738317757) internal successors, (327), 300 states have internal predecessors, (327), 10 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:39:38,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 339 transitions. [2022-11-19 06:39:38,535 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 339 transitions. Word has length 41 [2022-11-19 06:39:38,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:39:38,535 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 339 transitions. [2022-11-19 06:39:38,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.555555555555555) internal successors, (41), 10 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:38,535 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 339 transitions. [2022-11-19 06:39:38,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-19 06:39:38,536 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:39:38,536 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:39:38,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-19 06:39:38,537 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:39:38,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:39:38,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1768846581, now seen corresponding path program 1 times [2022-11-19 06:39:38,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:39:38,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300741025] [2022-11-19 06:39:38,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:38,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:39:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:39,566 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:39:39,567 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:39:39,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300741025] [2022-11-19 06:39:39,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300741025] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:39:39,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953017476] [2022-11-19 06:39:39,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:39,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:39:39,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:39:39,569 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:39:39,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-19 06:39:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:39,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 64 conjunts are in the unsatisfiable core [2022-11-19 06:39:39,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:39:39,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 06:39:39,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:39:39,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:39,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2022-11-19 06:39:39,907 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-19 06:39:39,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-19 06:39:39,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2022-11-19 06:39:39,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2022-11-19 06:39:40,024 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 06:39:40,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 21 [2022-11-19 06:39:40,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 06:39:40,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:40,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2022-11-19 06:39:40,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:39:40,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-19 06:39:40,680 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-19 06:39:40,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 22 [2022-11-19 06:39:40,684 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:39:40,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:39:41,200 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:39:41,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2022-11-19 06:39:41,579 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:39:41,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 53 [2022-11-19 06:39:41,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 139 [2022-11-19 06:39:41,604 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:39:41,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 141 treesize of output 119 [2022-11-19 06:39:41,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 93 [2022-11-19 06:39:41,904 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:39:41,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953017476] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:39:41,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [706166675] [2022-11-19 06:39:41,907 INFO L159 IcfgInterpreter]: Started Sifa with 35 locations of interest [2022-11-19 06:39:41,907 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:39:41,907 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:39:41,908 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:39:41,908 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:39:41,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:41,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:41,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 06:39:41,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:41,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-19 06:39:41,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:39:41,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:39:41,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:41,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:39:42,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-19 06:39:42,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:39:42,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:39:42,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-19 06:39:42,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:39:42,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:39:42,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:39:42,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 38 [2022-11-19 06:39:42,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:39:42,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 47 [2022-11-19 06:39:42,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,251 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-19 06:39:42,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 143 treesize of output 111 [2022-11-19 06:39:42,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-19 06:39:42,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-11-19 06:39:42,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:42,363 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-19 06:39:42,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-11-19 06:39:42,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-11-19 06:39:42,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-19 06:39:42,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-11-19 06:39:42,535 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-19 06:39:42,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 169 treesize of output 136 [2022-11-19 06:39:42,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-19 06:39:42,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 57 [2022-11-19 06:39:42,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:42,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:42,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:42,716 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-19 06:39:42,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 483 treesize of output 445 [2022-11-19 06:39:42,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:42,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:42,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,776 INFO L321 Elim1Store]: treesize reduction 80, result has 33.9 percent of original size [2022-11-19 06:39:42,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 627 treesize of output 594 [2022-11-19 06:39:42,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:42,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:42,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:42,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:42,821 INFO L321 Elim1Store]: treesize reduction 131, result has 9.0 percent of original size [2022-11-19 06:39:42,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 593 treesize of output 596 [2022-11-19 06:39:43,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:43,157 INFO L321 Elim1Store]: treesize reduction 296, result has 15.9 percent of original size [2022-11-19 06:39:43,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 19 case distinctions, treesize of input 1230 treesize of output 1211 [2022-11-19 06:39:43,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:43,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:43,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:43,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:43,705 INFO L321 Elim1Store]: treesize reduction 194, result has 16.0 percent of original size [2022-11-19 06:39:43,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 1572 treesize of output 983 [2022-11-19 06:39:43,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:43,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:43,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:43,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:43,867 INFO L321 Elim1Store]: treesize reduction 292, result has 17.7 percent of original size [2022-11-19 06:39:43,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 1562 treesize of output 1421 [2022-11-19 06:39:43,947 INFO L321 Elim1Store]: treesize reduction 152, result has 14.1 percent of original size [2022-11-19 06:39:43,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1520 treesize of output 1381 [2022-11-19 06:39:44,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:44,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:44,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:44,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:45,092 INFO L321 Elim1Store]: treesize reduction 246, result has 10.2 percent of original size [2022-11-19 06:39:45,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 23 case distinctions, treesize of input 5738 treesize of output 3453 [2022-11-19 06:39:45,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:45,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:45,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:45,262 INFO L321 Elim1Store]: treesize reduction 156, result has 23.9 percent of original size [2022-11-19 06:39:45,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 5725 treesize of output 5131 [2022-11-19 06:39:45,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:45,565 INFO L321 Elim1Store]: treesize reduction 410, result has 13.7 percent of original size [2022-11-19 06:39:45,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 5625 treesize of output 5377 [2022-11-19 06:39:45,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:45,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:45,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:45,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:45,826 INFO L321 Elim1Store]: treesize reduction 340, result has 9.1 percent of original size [2022-11-19 06:39:45,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 5620 treesize of output 4911 [2022-11-19 06:39:49,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:49,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:49,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:49,298 INFO L321 Elim1Store]: treesize reduction 250, result has 15.0 percent of original size [2022-11-19 06:39:49,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 13292 treesize of output 7932 [2022-11-19 06:39:49,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:49,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:49,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:49,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:49,607 INFO L321 Elim1Store]: treesize reduction 348, result has 15.3 percent of original size [2022-11-19 06:39:49,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 23 case distinctions, treesize of input 13170 treesize of output 11600 [2022-11-19 06:39:49,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:49,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:49,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:39:49,905 INFO L321 Elim1Store]: treesize reduction 190, result has 11.6 percent of original size [2022-11-19 06:39:49,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 13029 treesize of output 11795 [2022-11-19 06:39:56,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:39:56,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:39:56,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:39:56,223 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 06:39:56,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-19 06:39:56,245 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:39:56,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:39:56,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 06:39:56,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:39:56,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:39:56,314 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:39:56,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:39:56,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:56,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2022-11-19 06:39:56,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:39:56,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:56,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:39:56,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 29 [2022-11-19 06:39:56,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:39:56,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:39:56,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-11-19 06:39:56,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:39:56,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:39:56,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:39:57,361 INFO L321 Elim1Store]: treesize reduction 46, result has 37.8 percent of original size [2022-11-19 06:39:57,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 125 treesize of output 145 [2022-11-19 06:39:57,486 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:39:57,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:39:57,519 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-11-19 06:39:57,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 1 [2022-11-19 06:39:57,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:39:57,666 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-19 06:39:57,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 355 treesize of output 326 [2022-11-19 06:39:57,701 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-19 06:39:57,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 335 treesize of output 344 [2022-11-19 06:39:57,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:57,950 INFO L321 Elim1Store]: treesize reduction 39, result has 30.4 percent of original size [2022-11-19 06:39:57,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 667 treesize of output 656 [2022-11-19 06:39:57,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:58,055 INFO L321 Elim1Store]: treesize reduction 70, result has 28.6 percent of original size [2022-11-19 06:39:58,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 647 treesize of output 646 [2022-11-19 06:39:58,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:58,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:58,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 614 treesize of output 576 [2022-11-19 06:39:58,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2022-11-19 06:39:58,892 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:39:58,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:39:59,006 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:39:59,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:39:59,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:39:59,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:39:59,125 INFO L197 IcfgInterpreter]: Interpreting procedure fail with input of size 49 for LOIs [2022-11-19 06:39:59,139 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:40:03,696 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '28210#(and (<= 0 |#NULL.base|) (or (exists ((|v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_2| Int)) (and (exists ((|v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_2| Int)) (and (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_2|) 0) (= (select |#valid| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_2|) 1) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_2|) (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_2| 4)) 0) (<= (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_2| 8) (select |#length| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_2|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_2|) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_2|) (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_2| 4)) 0))) (<= 0 |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_2|) (not (= |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_2| 0)))) (exists ((|v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_2| Int)) (and (exists ((|v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_2| Int)) (and (not (= |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_2| 0)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_2|) 0) (= (select |#valid| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_2|) 1) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_2|) (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_2| 4)) 0) (<= (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_2| 8) (select |#length| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_2|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_2|) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_2|) (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_2| 4)) 0))) (<= 0 |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_2|)))) (<= |#NULL.offset| 0) (<= |#NULL.base| 0) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|))' at error location [2022-11-19 06:40:03,696 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 06:40:03,696 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 06:40:03,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 16] total 39 [2022-11-19 06:40:03,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028750541] [2022-11-19 06:40:03,697 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 06:40:03,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-11-19 06:40:03,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:40:03,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-11-19 06:40:03,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=3530, Unknown=3, NotChecked=0, Total=3782 [2022-11-19 06:40:03,699 INFO L87 Difference]: Start difference. First operand 303 states and 339 transitions. Second operand has 39 states, 39 states have (on average 3.051282051282051) internal successors, (119), 39 states have internal predecessors, (119), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:40:06,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:40:06,923 INFO L93 Difference]: Finished difference Result 433 states and 480 transitions. [2022-11-19 06:40:06,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-19 06:40:06,924 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.051282051282051) internal successors, (119), 39 states have internal predecessors, (119), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-11-19 06:40:06,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:40:06,925 INFO L225 Difference]: With dead ends: 433 [2022-11-19 06:40:06,925 INFO L226 Difference]: Without dead ends: 433 [2022-11-19 06:40:06,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1570 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=781, Invalid=6022, Unknown=3, NotChecked=0, Total=6806 [2022-11-19 06:40:06,928 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 1447 mSDsluCounter, 3842 mSDsCounter, 0 mSdLazyCounter, 1373 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1447 SdHoareTripleChecker+Valid, 4065 SdHoareTripleChecker+Invalid, 2425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1024 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:40:06,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1447 Valid, 4065 Invalid, 2425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1373 Invalid, 0 Unknown, 1024 Unchecked, 1.2s Time] [2022-11-19 06:40:06,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2022-11-19 06:40:06,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 303. [2022-11-19 06:40:06,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 214 states have (on average 1.5233644859813085) internal successors, (326), 300 states have internal predecessors, (326), 10 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:40:06,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 338 transitions. [2022-11-19 06:40:06,935 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 338 transitions. Word has length 44 [2022-11-19 06:40:06,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:40:06,935 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 338 transitions. [2022-11-19 06:40:06,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 3.051282051282051) internal successors, (119), 39 states have internal predecessors, (119), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:40:06,936 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 338 transitions. [2022-11-19 06:40:06,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-19 06:40:06,936 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:40:06,937 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:40:06,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-19 06:40:07,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2022-11-19 06:40:07,144 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:40:07,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:40:07,144 INFO L85 PathProgramCache]: Analyzing trace with hash 99803102, now seen corresponding path program 1 times [2022-11-19 06:40:07,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:40:07,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39366247] [2022-11-19 06:40:07,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:40:07,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:40:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:40:08,156 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:40:08,156 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:40:08,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39366247] [2022-11-19 06:40:08,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39366247] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:40:08,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982572188] [2022-11-19 06:40:08,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:40:08,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:40:08,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:40:08,157 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:40:08,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-19 06:40:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:40:08,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 69 conjunts are in the unsatisfiable core [2022-11-19 06:40:08,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:40:08,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 06:40:08,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:40:08,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:40:08,540 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:40:08,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:40:08,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-19 06:40:08,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-19 06:40:08,620 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-19 06:40:08,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-19 06:40:08,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-19 06:40:08,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-19 06:40:08,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-19 06:40:08,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-19 06:40:08,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:40:08,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2022-11-19 06:40:09,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:09,165 INFO L321 Elim1Store]: treesize reduction 17, result has 15.0 percent of original size [2022-11-19 06:40:09,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 33 [2022-11-19 06:40:09,174 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-19 06:40:09,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 16 [2022-11-19 06:40:09,217 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:40:09,217 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:40:09,802 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:40:09,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:40:09,811 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:40:09,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:40:10,692 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:40:10,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 26 [2022-11-19 06:40:10,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 122 [2022-11-19 06:40:10,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 51 [2022-11-19 06:40:10,719 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:40:10,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 106 [2022-11-19 06:40:10,815 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:40:10,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 26 [2022-11-19 06:40:10,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 122 [2022-11-19 06:40:10,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 110 [2022-11-19 06:40:10,841 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:40:10,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 106 [2022-11-19 06:40:11,347 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:40:11,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982572188] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:40:11,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1971137202] [2022-11-19 06:40:11,349 INFO L159 IcfgInterpreter]: Started Sifa with 28 locations of interest [2022-11-19 06:40:11,349 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:40:11,350 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:40:11,350 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:40:11,350 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:40:11,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 06:40:11,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:40:11,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:40:11,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-19 06:40:11,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:40:11,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:40:11,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-19 06:40:11,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:40:11,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:40:11,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-19 06:40:11,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:40:11,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:40:11,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 38 [2022-11-19 06:40:11,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:40:11,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 47 [2022-11-19 06:40:11,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,702 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-19 06:40:11,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 143 treesize of output 111 [2022-11-19 06:40:11,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-19 06:40:11,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-11-19 06:40:11,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:11,839 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-11-19 06:40:11,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 179 treesize of output 131 [2022-11-19 06:40:11,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 60 [2022-11-19 06:40:11,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-19 06:40:11,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:11,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-19 06:40:11,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:12,037 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-19 06:40:12,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 171 treesize of output 138 [2022-11-19 06:40:12,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:12,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:12,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:12,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:12,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:12,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:12,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 57 [2022-11-19 06:40:12,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:12,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:12,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:12,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:12,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:12,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:12,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:12,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2022-11-19 06:40:12,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:12,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:12,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:12,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:12,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:12,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:12,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:12,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:12,215 INFO L321 Elim1Store]: treesize reduction 67, result has 11.8 percent of original size [2022-11-19 06:40:12,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 494 treesize of output 456 [2022-11-19 06:40:12,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:12,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:12,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:12,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:12,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:12,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:12,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:12,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:12,266 INFO L321 Elim1Store]: treesize reduction 133, result has 10.1 percent of original size [2022-11-19 06:40:12,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 638 treesize of output 641 [2022-11-19 06:40:12,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:12,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:12,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:12,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:12,329 INFO L321 Elim1Store]: treesize reduction 98, result has 35.1 percent of original size [2022-11-19 06:40:12,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 752 treesize of output 719 [2022-11-19 06:40:12,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:12,789 INFO L321 Elim1Store]: treesize reduction 338, result has 16.7 percent of original size [2022-11-19 06:40:12,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 19 case distinctions, treesize of input 1450 treesize of output 1415 [2022-11-19 06:40:13,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:13,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:13,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:13,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:13,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:13,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:13,411 INFO L321 Elim1Store]: treesize reduction 122, result has 24.2 percent of original size [2022-11-19 06:40:13,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 1706 treesize of output 961 [2022-11-19 06:40:13,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:13,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:13,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:13,594 INFO L321 Elim1Store]: treesize reduction 336, result has 14.3 percent of original size [2022-11-19 06:40:13,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 19 case distinctions, treesize of input 1727 treesize of output 1442 [2022-11-19 06:40:13,655 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-19 06:40:13,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1630 treesize of output 1527 [2022-11-19 06:40:14,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:14,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:14,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:14,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:14,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:14,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:14,718 INFO L321 Elim1Store]: treesize reduction 142, result has 15.0 percent of original size [2022-11-19 06:40:14,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 22 case distinctions, treesize of input 4587 treesize of output 2492 [2022-11-19 06:40:14,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:14,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:14,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:14,944 INFO L321 Elim1Store]: treesize reduction 388, result has 8.5 percent of original size [2022-11-19 06:40:14,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 23 case distinctions, treesize of input 4605 treesize of output 3740 [2022-11-19 06:40:15,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:15,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:15,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:15,086 INFO L321 Elim1Store]: treesize reduction 100, result has 35.5 percent of original size [2022-11-19 06:40:15,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 4574 treesize of output 4294 [2022-11-19 06:40:15,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:15,370 INFO L321 Elim1Store]: treesize reduction 458, result has 14.4 percent of original size [2022-11-19 06:40:15,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 4506 treesize of output 4316 [2022-11-19 06:40:19,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:19,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:19,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:19,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:19,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:19,884 INFO L321 Elim1Store]: treesize reduction 170, result has 21.3 percent of original size [2022-11-19 06:40:19,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 18379 treesize of output 9801 [2022-11-19 06:40:20,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:20,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:20,266 INFO L321 Elim1Store]: treesize reduction 416, result has 13.2 percent of original size [2022-11-19 06:40:20,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 26 case distinctions, treesize of input 18240 treesize of output 14766 [2022-11-19 06:40:20,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:20,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:20,570 INFO L321 Elim1Store]: treesize reduction 85, result has 7.6 percent of original size [2022-11-19 06:40:20,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 17956 treesize of output 16866 [2022-11-19 06:40:26,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:40:26,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:40:26,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:40:26,099 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 06:40:26,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-19 06:40:26,122 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:40:26,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:40:26,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:40:26,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:40:26,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 06:40:26,191 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:40:26,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:40:26,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:26,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:40:26,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:40:26,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 27 [2022-11-19 06:40:26,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:26,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-19 06:40:26,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:40:26,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 06:40:26,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-11-19 06:40:26,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:40:26,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:40:26,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:40:27,155 INFO L321 Elim1Store]: treesize reduction 46, result has 37.8 percent of original size [2022-11-19 06:40:27,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 125 treesize of output 145 [2022-11-19 06:40:27,319 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:40:27,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:40:27,354 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-11-19 06:40:27,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 1 [2022-11-19 06:40:27,393 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-11-19 06:40:27,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 1 [2022-11-19 06:40:27,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:40:27,568 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-19 06:40:27,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 475 treesize of output 430 [2022-11-19 06:40:27,608 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-19 06:40:27,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 447 treesize of output 456 [2022-11-19 06:40:27,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:27,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:40:27,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:27,927 INFO L321 Elim1Store]: treesize reduction 70, result has 28.6 percent of original size [2022-11-19 06:40:27,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 779 treesize of output 774 [2022-11-19 06:40:27,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:27,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:27,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 742 treesize of output 688 [2022-11-19 06:40:27,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:28,011 INFO L321 Elim1Store]: treesize reduction 39, result has 30.4 percent of original size [2022-11-19 06:40:28,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 755 treesize of output 744 [2022-11-19 06:40:28,790 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:40:28,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:40:28,833 INFO L321 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2022-11-19 06:40:28,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:40:28,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2022-11-19 06:40:28,920 INFO L321 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2022-11-19 06:40:28,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:40:29,024 INFO L197 IcfgInterpreter]: Interpreting procedure fail with input of size 32 for LOIs [2022-11-19 06:40:29,030 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:40:33,016 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '29309#(and (<= 0 |#NULL.base|) (<= |#NULL.offset| 0) (<= |#NULL.base| 0) (exists ((|v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_3|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_3|) 0) (<= 0 |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_3|) (= (select |#valid| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_3|) 1) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_3|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_3|) 0) (<= (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_3| 4) (select |#length| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_3|)))) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|))' at error location [2022-11-19 06:40:33,017 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 06:40:33,017 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 06:40:33,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10, 13] total 35 [2022-11-19 06:40:33,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722375175] [2022-11-19 06:40:33,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 06:40:33,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-11-19 06:40:33,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:40:33,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-11-19 06:40:33,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=2682, Unknown=1, NotChecked=0, Total=2862 [2022-11-19 06:40:33,020 INFO L87 Difference]: Start difference. First operand 303 states and 338 transitions. Second operand has 35 states, 35 states have (on average 3.4857142857142858) internal successors, (122), 35 states have internal predecessors, (122), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:40:38,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:40:38,296 INFO L93 Difference]: Finished difference Result 559 states and 610 transitions. [2022-11-19 06:40:38,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-19 06:40:38,297 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4857142857142858) internal successors, (122), 35 states have internal predecessors, (122), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-11-19 06:40:38,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:40:38,299 INFO L225 Difference]: With dead ends: 559 [2022-11-19 06:40:38,299 INFO L226 Difference]: Without dead ends: 555 [2022-11-19 06:40:38,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1483 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=579, Invalid=6392, Unknown=1, NotChecked=0, Total=6972 [2022-11-19 06:40:38,303 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 2209 mSDsluCounter, 4727 mSDsCounter, 0 mSdLazyCounter, 2338 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2209 SdHoareTripleChecker+Valid, 4943 SdHoareTripleChecker+Invalid, 2980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 2338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 583 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:40:38,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2209 Valid, 4943 Invalid, 2980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 2338 Invalid, 0 Unknown, 583 Unchecked, 2.0s Time] [2022-11-19 06:40:38,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2022-11-19 06:40:38,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 329. [2022-11-19 06:40:38,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 240 states have (on average 1.4708333333333334) internal successors, (353), 326 states have internal predecessors, (353), 10 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:40:38,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 365 transitions. [2022-11-19 06:40:38,311 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 365 transitions. Word has length 44 [2022-11-19 06:40:38,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:40:38,312 INFO L495 AbstractCegarLoop]: Abstraction has 329 states and 365 transitions. [2022-11-19 06:40:38,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.4857142857142858) internal successors, (122), 35 states have internal predecessors, (122), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:40:38,312 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 365 transitions. [2022-11-19 06:40:38,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-19 06:40:38,313 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:40:38,313 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:40:38,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-19 06:40:38,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2022-11-19 06:40:38,520 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr73REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:40:38,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:40:38,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1904378488, now seen corresponding path program 1 times [2022-11-19 06:40:38,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:40:38,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154580162] [2022-11-19 06:40:38,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:40:38,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:40:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:40:38,849 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:40:38,849 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:40:38,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154580162] [2022-11-19 06:40:38,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154580162] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:40:38,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:40:38,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 06:40:38,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117931635] [2022-11-19 06:40:38,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:40:38,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 06:40:38,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:40:38,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 06:40:38,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:40:38,851 INFO L87 Difference]: Start difference. First operand 329 states and 365 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:40:39,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:40:39,481 INFO L93 Difference]: Finished difference Result 349 states and 385 transitions. [2022-11-19 06:40:39,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 06:40:39,481 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-11-19 06:40:39,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:40:39,483 INFO L225 Difference]: With dead ends: 349 [2022-11-19 06:40:39,483 INFO L226 Difference]: Without dead ends: 349 [2022-11-19 06:40:39,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-19 06:40:39,484 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 140 mSDsluCounter, 1053 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1214 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:40:39,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1214 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 06:40:39,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2022-11-19 06:40:39,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 328. [2022-11-19 06:40:39,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 239 states have (on average 1.4686192468619246) internal successors, (351), 325 states have internal predecessors, (351), 10 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:40:39,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 363 transitions. [2022-11-19 06:40:39,491 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 363 transitions. Word has length 44 [2022-11-19 06:40:39,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:40:39,491 INFO L495 AbstractCegarLoop]: Abstraction has 328 states and 363 transitions. [2022-11-19 06:40:39,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:40:39,492 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 363 transitions. [2022-11-19 06:40:39,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-19 06:40:39,492 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:40:39,493 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:40:39,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-11-19 06:40:39,493 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:40:39,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:40:39,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1000115697, now seen corresponding path program 1 times [2022-11-19 06:40:39,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:40:39,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868356326] [2022-11-19 06:40:39,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:40:39,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:40:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:40:40,895 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:40:40,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:40:40,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868356326] [2022-11-19 06:40:40,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868356326] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:40:40,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355944650] [2022-11-19 06:40:40,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:40:40,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:40:40,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:40:40,898 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:40:40,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-19 06:40:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:40:41,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 75 conjunts are in the unsatisfiable core [2022-11-19 06:40:41,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:40:41,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 06:40:41,234 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:40:41,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:40:41,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:40:41,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:41,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2022-11-19 06:40:41,450 INFO L321 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2022-11-19 06:40:41,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 41 [2022-11-19 06:40:41,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2022-11-19 06:40:41,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2022-11-19 06:40:41,618 INFO L321 Elim1Store]: treesize reduction 38, result has 48.6 percent of original size [2022-11-19 06:40:41,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 50 [2022-11-19 06:40:41,782 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 06:40:41,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 62 [2022-11-19 06:40:41,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 38 [2022-11-19 06:40:42,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:40:42,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:42,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 82 [2022-11-19 06:40:43,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-19 06:40:44,862 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-19 06:40:44,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 89 treesize of output 40 [2022-11-19 06:40:44,953 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:40:44,953 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:40:45,746 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:40:45,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2022-11-19 06:40:46,254 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:40:46,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 60 [2022-11-19 06:40:46,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 388 treesize of output 356 [2022-11-19 06:40:46,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 352 treesize of output 340 [2022-11-19 06:40:46,311 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:40:46,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 346 treesize of output 280 [2022-11-19 06:40:51,314 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:40:51,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355944650] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:40:51,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1742932729] [2022-11-19 06:40:51,317 INFO L159 IcfgInterpreter]: Started Sifa with 36 locations of interest [2022-11-19 06:40:51,317 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:40:51,317 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:40:51,318 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:40:51,318 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:40:51,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 06:40:51,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:40:51,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:40:51,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-19 06:40:51,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:40:51,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:40:51,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:40:51,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-19 06:40:51,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:40:51,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:40:51,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-19 06:40:51,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:40:51,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 38 [2022-11-19 06:40:51,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:40:51,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 56 [2022-11-19 06:40:51,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,682 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-19 06:40:51,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 178 treesize of output 142 [2022-11-19 06:40:51,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 97 [2022-11-19 06:40:51,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 46 [2022-11-19 06:40:51,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:51,798 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-11-19 06:40:51,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 214 treesize of output 162 [2022-11-19 06:40:51,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 64 [2022-11-19 06:40:51,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 100 [2022-11-19 06:40:51,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:51,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-19 06:40:51,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:52,010 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-19 06:40:52,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 171 treesize of output 138 [2022-11-19 06:40:52,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:52,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:52,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:52,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:52,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:52,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:52,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 57 [2022-11-19 06:40:52,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:52,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:52,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:52,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:52,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:52,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:52,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:52,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2022-11-19 06:40:52,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:52,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:52,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:52,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:52,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:52,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:52,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:52,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:52,190 INFO L321 Elim1Store]: treesize reduction 67, result has 11.8 percent of original size [2022-11-19 06:40:52,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 494 treesize of output 456 [2022-11-19 06:40:52,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:52,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:52,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:52,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:52,255 INFO L321 Elim1Store]: treesize reduction 80, result has 33.9 percent of original size [2022-11-19 06:40:52,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 638 treesize of output 605 [2022-11-19 06:40:52,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:52,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:52,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:52,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:52,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:52,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:52,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:52,310 INFO L321 Elim1Store]: treesize reduction 133, result has 10.1 percent of original size [2022-11-19 06:40:52,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 604 treesize of output 607 [2022-11-19 06:40:52,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:52,756 INFO L321 Elim1Store]: treesize reduction 338, result has 16.7 percent of original size [2022-11-19 06:40:52,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 19 case distinctions, treesize of input 1426 treesize of output 1403 [2022-11-19 06:40:53,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:53,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:53,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:53,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:53,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:53,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:53,704 INFO L321 Elim1Store]: treesize reduction 214, result has 16.7 percent of original size [2022-11-19 06:40:53,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 3502 treesize of output 1989 [2022-11-19 06:40:53,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:53,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:53,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:53,925 INFO L321 Elim1Store]: treesize reduction 370, result has 13.1 percent of original size [2022-11-19 06:40:53,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 3483 treesize of output 2753 [2022-11-19 06:40:54,074 INFO L321 Elim1Store]: treesize reduction 158, result has 13.7 percent of original size [2022-11-19 06:40:54,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 3346 treesize of output 3017 [2022-11-19 06:40:55,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:55,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:55,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:55,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:55,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:55,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:55,835 INFO L321 Elim1Store]: treesize reduction 268, result has 11.8 percent of original size [2022-11-19 06:40:55,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 23 case distinctions, treesize of input 6570 treesize of output 3663 [2022-11-19 06:40:55,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:55,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:55,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:56,229 INFO L321 Elim1Store]: treesize reduction 464, result has 9.2 percent of original size [2022-11-19 06:40:56,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 24 case distinctions, treesize of input 6588 treesize of output 5186 [2022-11-19 06:40:56,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:56,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:56,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:56,481 INFO L321 Elim1Store]: treesize reduction 174, result has 26.0 percent of original size [2022-11-19 06:40:56,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 6557 treesize of output 5927 [2022-11-19 06:40:56,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:56,952 INFO L321 Elim1Store]: treesize reduction 458, result has 14.4 percent of original size [2022-11-19 06:40:56,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 6409 treesize of output 6077 [2022-11-19 06:41:02,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:02,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:02,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:02,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:02,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:02,807 INFO L321 Elim1Store]: treesize reduction 270, result has 15.6 percent of original size [2022-11-19 06:41:02,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 22099 treesize of output 12219 [2022-11-19 06:41:03,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:03,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:03,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:03,283 INFO L321 Elim1Store]: treesize reduction 438, result has 11.3 percent of original size [2022-11-19 06:41:03,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 25 case distinctions, treesize of input 21880 treesize of output 17357 [2022-11-19 06:41:03,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:03,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:03,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:03,679 INFO L321 Elim1Store]: treesize reduction 202, result has 11.0 percent of original size [2022-11-19 06:41:03,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 21756 treesize of output 19820 [2022-11-19 06:41:10,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:41:10,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:41:10,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:41:10,922 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 06:41:10,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-19 06:41:10,943 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:41:10,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:41:10,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:41:10,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 06:41:10,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:41:11,004 INFO L321 Elim1Store]: treesize reduction 24, result has 38.5 percent of original size [2022-11-19 06:41:11,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 33 [2022-11-19 06:41:11,038 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:41:11,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:41:11,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2022-11-19 06:41:11,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:41:11,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:41:11,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-11-19 06:41:11,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:41:11,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:41:11,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:41:11,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:41:11,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:41:11,914 INFO L321 Elim1Store]: treesize reduction 46, result has 37.8 percent of original size [2022-11-19 06:41:11,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 125 treesize of output 145 [2022-11-19 06:41:11,967 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:41:11,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:41:12,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:41:12,108 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-19 06:41:12,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 229 treesize of output 238 [2022-11-19 06:41:12,131 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-19 06:41:12,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 227 treesize of output 214 [2022-11-19 06:41:12,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,310 INFO L321 Elim1Store]: treesize reduction 70, result has 28.6 percent of original size [2022-11-19 06:41:12,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 330 treesize of output 343 [2022-11-19 06:41:12,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 311 treesize of output 297 [2022-11-19 06:41:12,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,375 INFO L321 Elim1Store]: treesize reduction 39, result has 30.4 percent of original size [2022-11-19 06:41:12,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 324 treesize of output 319 [2022-11-19 06:41:12,599 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:41:12,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:41:12,650 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:41:12,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:41:12,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:41:12,694 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:41:17,214 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '31287#(and (<= 0 |#NULL.base|) (<= 0 |ULTIMATE.start_inspect_before_~shape#1.offset|) (= (select |#valid| |ULTIMATE.start_inspect_before_~shape#1.base|) 1) (= |ULTIMATE.start_inspect_before_#t~mem29#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_inspect_before_~shape#1.base|) |ULTIMATE.start_inspect_before_~shape#1.offset|)) (= |ULTIMATE.start_inspect_before_#t~mem29#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_inspect_before_~shape#1.base|) |ULTIMATE.start_inspect_before_~shape#1.offset|)) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= 0 |ULTIMATE.start_main_~node~1#1.offset|) (<= |#NULL.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_inspect_before_~shape#1.base|) (+ 4 |ULTIMATE.start_inspect_before_~shape#1.offset|)) 0) (<= 0 |ULTIMATE.start_inspect_before_#in~shape#1.offset|) (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_inspect_before_~shape#1.base|) |ULTIMATE.start_inspect_before_~shape#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_inspect_before_~shape#1.base|) |ULTIMATE.start_inspect_before_~shape#1.offset|) 0))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_inspect_before_~shape#1.base|) (+ 4 |ULTIMATE.start_inspect_before_~shape#1.offset|)) 0) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~data~0#1.offset|) (<= |#NULL.base| 0) (or (not (= 0 |ULTIMATE.start_inspect_before_~shape#1.offset|)) (not (= |ULTIMATE.start_inspect_before_~shape#1.base| 0))) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_main_~data~0#1.offset| 0) (<= |ULTIMATE.start_inspect_before_#in~shape#1.offset| 0) (<= 0 |#StackHeapBarrier|) (not (= (select |#valid| |ULTIMATE.start_inspect_before_#t~mem29#1.base|) 1)) (<= (+ 8 |ULTIMATE.start_inspect_before_~shape#1.offset|) (select |#length| |ULTIMATE.start_inspect_before_~shape#1.base|)) (<= |ULTIMATE.start_main_~node~1#1.offset| 0))' at error location [2022-11-19 06:41:17,214 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 06:41:17,214 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 06:41:17,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 17] total 45 [2022-11-19 06:41:17,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710658113] [2022-11-19 06:41:17,215 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 06:41:17,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-11-19 06:41:17,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:41:17,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-11-19 06:41:17,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=4497, Unknown=4, NotChecked=0, Total=4830 [2022-11-19 06:41:17,218 INFO L87 Difference]: Start difference. First operand 328 states and 363 transitions. Second operand has 46 states, 45 states have (on average 2.8222222222222224) internal successors, (127), 46 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:41:21,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:41:21,668 INFO L93 Difference]: Finished difference Result 400 states and 438 transitions. [2022-11-19 06:41:21,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-19 06:41:21,668 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 2.8222222222222224) internal successors, (127), 46 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-11-19 06:41:21,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:41:21,670 INFO L225 Difference]: With dead ends: 400 [2022-11-19 06:41:21,670 INFO L226 Difference]: Without dead ends: 400 [2022-11-19 06:41:21,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 86 SyntacticMatches, 6 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2313 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=766, Invalid=7062, Unknown=4, NotChecked=0, Total=7832 [2022-11-19 06:41:21,672 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 656 mSDsluCounter, 4223 mSDsCounter, 0 mSdLazyCounter, 2013 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 656 SdHoareTripleChecker+Valid, 4410 SdHoareTripleChecker+Invalid, 3137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1090 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:41:21,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [656 Valid, 4410 Invalid, 3137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2013 Invalid, 0 Unknown, 1090 Unchecked, 1.4s Time] [2022-11-19 06:41:21,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2022-11-19 06:41:21,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 329. [2022-11-19 06:41:21,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 240 states have (on average 1.4708333333333334) internal successors, (353), 326 states have internal predecessors, (353), 10 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:41:21,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 365 transitions. [2022-11-19 06:41:21,678 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 365 transitions. Word has length 45 [2022-11-19 06:41:21,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:41:21,678 INFO L495 AbstractCegarLoop]: Abstraction has 329 states and 365 transitions. [2022-11-19 06:41:21,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 2.8222222222222224) internal successors, (127), 46 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:41:21,678 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 365 transitions. [2022-11-19 06:41:21,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-19 06:41:21,679 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:21,679 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:41:21,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-19 06:41:21,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-11-19 06:41:21,886 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:41:21,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:21,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1000115698, now seen corresponding path program 1 times [2022-11-19 06:41:21,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:21,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13863143] [2022-11-19 06:41:21,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:21,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:23,493 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:41:23,493 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:23,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13863143] [2022-11-19 06:41:23,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13863143] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:41:23,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274449509] [2022-11-19 06:41:23,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:23,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:41:23,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:41:23,495 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:41:23,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-19 06:41:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:23,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 82 conjunts are in the unsatisfiable core [2022-11-19 06:41:23,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:41:23,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 06:41:23,757 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:41:23,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:41:23,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:41:23,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:41:23,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:41:23,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:23,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 31 [2022-11-19 06:41:23,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:23,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:41:23,973 INFO L321 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2022-11-19 06:41:23,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 41 [2022-11-19 06:41:23,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-19 06:41:24,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-19 06:41:24,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:41:24,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:24,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-19 06:41:24,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-19 06:41:24,109 INFO L321 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-11-19 06:41:24,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2022-11-19 06:41:24,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:41:24,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2022-11-19 06:41:24,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:41:24,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2022-11-19 06:41:24,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2022-11-19 06:41:25,208 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:41:25,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 45 [2022-11-19 06:41:25,218 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-19 06:41:25,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 16 [2022-11-19 06:41:25,278 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:41:25,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:41:25,928 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:41:25,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2022-11-19 06:41:25,939 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:41:25,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 35 [2022-11-19 06:41:25,945 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:41:25,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 30 [2022-11-19 06:41:27,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:27,622 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:41:27,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 65 [2022-11-19 06:41:27,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 386 treesize of output 374 [2022-11-19 06:41:27,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:27,650 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:41:27,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 370 treesize of output 284 [2022-11-19 06:41:27,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1726 treesize of output 1658 [2022-11-19 06:41:27,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 827 treesize of output 795 [2022-11-19 06:41:27,714 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:41:27,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1628 treesize of output 1570 [2022-11-19 06:41:27,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1558 treesize of output 1526 [2022-11-19 06:41:27,758 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:41:27,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1532 treesize of output 1474 [2022-11-19 06:41:34,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:34,971 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:41:34,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 32 [2022-11-19 06:41:34,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 110 [2022-11-19 06:41:34,988 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:41:34,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 112 treesize of output 110 [2022-11-19 06:41:34,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 94 [2022-11-19 06:41:44,941 WARN L233 SmtUtils]: Spent 9.28s on a formula simplification. DAG size of input: 148 DAG size of output: 52 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:41:44,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 299 treesize of output 293 [2022-11-19 06:41:45,482 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:41:45,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274449509] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:41:45,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1732587313] [2022-11-19 06:41:45,484 INFO L159 IcfgInterpreter]: Started Sifa with 36 locations of interest [2022-11-19 06:41:45,484 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:41:45,484 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:41:45,485 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:41:45,485 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:41:45,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 06:41:45,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:41:45,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-19 06:41:45,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:41:45,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:41:45,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:41:45,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:41:45,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-19 06:41:45,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:41:45,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:41:45,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-19 06:41:45,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:41:45,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:41:45,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 38 [2022-11-19 06:41:45,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 47 [2022-11-19 06:41:45,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,829 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-19 06:41:45,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 143 treesize of output 111 [2022-11-19 06:41:45,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-11-19 06:41:45,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-19 06:41:45,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:45,945 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-11-19 06:41:45,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 179 treesize of output 131 [2022-11-19 06:41:45,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-19 06:41:45,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:45,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-11-19 06:41:46,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-19 06:41:46,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,160 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-19 06:41:46,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 171 treesize of output 138 [2022-11-19 06:41:46,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2022-11-19 06:41:46,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 57 [2022-11-19 06:41:46,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:46,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:46,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,333 INFO L321 Elim1Store]: treesize reduction 62, result has 31.9 percent of original size [2022-11-19 06:41:46,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 493 treesize of output 460 [2022-11-19 06:41:46,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:46,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:46,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:46,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:46,379 INFO L321 Elim1Store]: treesize reduction 67, result has 11.8 percent of original size [2022-11-19 06:41:46,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 490 treesize of output 452 [2022-11-19 06:41:46,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:46,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:46,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:46,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:46,430 INFO L321 Elim1Store]: treesize reduction 133, result has 10.1 percent of original size [2022-11-19 06:41:46,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 597 treesize of output 600 [2022-11-19 06:41:46,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:46,845 INFO L321 Elim1Store]: treesize reduction 338, result has 16.7 percent of original size [2022-11-19 06:41:46,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 19 case distinctions, treesize of input 1412 treesize of output 1393 [2022-11-19 06:41:47,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:47,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:47,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:47,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:47,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:47,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:47,475 INFO L321 Elim1Store]: treesize reduction 214, result has 16.7 percent of original size [2022-11-19 06:41:47,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 1778 treesize of output 1025 [2022-11-19 06:41:47,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:47,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:47,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:47,674 INFO L321 Elim1Store]: treesize reduction 370, result has 13.1 percent of original size [2022-11-19 06:41:47,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1799 treesize of output 1457 [2022-11-19 06:41:47,766 INFO L321 Elim1Store]: treesize reduction 158, result has 13.7 percent of original size [2022-11-19 06:41:47,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1702 treesize of output 1557 [2022-11-19 06:41:48,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:48,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:48,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:48,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:48,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:48,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:48,942 INFO L321 Elim1Store]: treesize reduction 268, result has 11.8 percent of original size [2022-11-19 06:41:48,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 23 case distinctions, treesize of input 6469 treesize of output 3590 [2022-11-19 06:41:49,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:49,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:49,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:49,160 INFO L321 Elim1Store]: treesize reduction 464, result has 9.2 percent of original size [2022-11-19 06:41:49,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 24 case distinctions, treesize of input 6487 treesize of output 5085 [2022-11-19 06:41:49,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:49,471 INFO L321 Elim1Store]: treesize reduction 458, result has 14.4 percent of original size [2022-11-19 06:41:49,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 6468 treesize of output 6214 [2022-11-19 06:41:49,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:49,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:49,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:49,630 INFO L321 Elim1Store]: treesize reduction 174, result has 26.0 percent of original size [2022-11-19 06:41:49,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 6420 treesize of output 5790 [2022-11-19 06:41:54,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:54,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:54,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:54,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:54,998 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:55,227 INFO L321 Elim1Store]: treesize reduction 270, result has 15.6 percent of original size [2022-11-19 06:41:55,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 26281 treesize of output 14387 [2022-11-19 06:41:55,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:55,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:55,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:55,882 INFO L321 Elim1Store]: treesize reduction 438, result has 11.3 percent of original size [2022-11-19 06:41:55,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 25 case distinctions, treesize of input 26022 treesize of output 20467 [2022-11-19 06:41:56,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:56,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:56,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:56,261 INFO L321 Elim1Store]: treesize reduction 202, result has 11.0 percent of original size [2022-11-19 06:41:56,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 25658 treesize of output 23358 [2022-11-19 06:42:05,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:42:05,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:42:05,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:42:05,496 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 06:42:05,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-19 06:42:05,522 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:42:05,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:42:05,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2022-11-19 06:42:05,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:42:05,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 06:42:05,590 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:42:05,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:42:05,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 29 [2022-11-19 06:42:05,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:05,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 26 [2022-11-19 06:42:05,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:05,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:42:05,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:42:05,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:42:05,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-11-19 06:42:05,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2022-11-19 06:42:05,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:42:05,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:42:05,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:42:06,484 INFO L321 Elim1Store]: treesize reduction 46, result has 37.8 percent of original size [2022-11-19 06:42:06,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 146 treesize of output 166 [2022-11-19 06:42:06,553 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:42:06,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:42:06,687 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-19 06:42:06,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 251 treesize of output 238 [2022-11-19 06:42:06,720 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-19 06:42:06,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 242 [2022-11-19 06:42:06,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:42:06,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:06,926 INFO L321 Elim1Store]: treesize reduction 70, result has 28.6 percent of original size [2022-11-19 06:42:06,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 348 treesize of output 361 [2022-11-19 06:42:06,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:06,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:06,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 329 treesize of output 315 [2022-11-19 06:42:06,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:06,995 INFO L321 Elim1Store]: treesize reduction 39, result has 30.4 percent of original size [2022-11-19 06:42:06,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 342 treesize of output 331 [2022-11-19 06:42:07,192 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:42:07,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:42:07,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:07,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:42:07,254 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:42:12,379 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '32393#(and (<= 0 |#NULL.base|) (<= 0 |ULTIMATE.start_inspect_before_~shape#1.offset|) (= (select |#valid| |ULTIMATE.start_inspect_before_~shape#1.base|) 1) (= |ULTIMATE.start_inspect_before_#t~mem29#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_inspect_before_~shape#1.base|) |ULTIMATE.start_inspect_before_~shape#1.offset|)) (= |ULTIMATE.start_inspect_before_#t~mem29#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_inspect_before_~shape#1.base|) |ULTIMATE.start_inspect_before_~shape#1.offset|)) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= 0 |ULTIMATE.start_main_~node~1#1.offset|) (<= |#NULL.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_inspect_before_~shape#1.base|) (+ 4 |ULTIMATE.start_inspect_before_~shape#1.offset|)) 0) (<= 0 |ULTIMATE.start_inspect_before_#in~shape#1.offset|) (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_inspect_before_~shape#1.base|) |ULTIMATE.start_inspect_before_~shape#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_inspect_before_~shape#1.base|) |ULTIMATE.start_inspect_before_~shape#1.offset|) 0))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_inspect_before_~shape#1.base|) (+ 4 |ULTIMATE.start_inspect_before_~shape#1.offset|)) 0) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (or (not (<= (+ |ULTIMATE.start_inspect_before_#t~mem29#1.offset| 4) (select |#length| |ULTIMATE.start_inspect_before_#t~mem29#1.base|))) (not (<= 0 |ULTIMATE.start_inspect_before_#t~mem29#1.offset|))) (<= 0 |ULTIMATE.start_main_~data~0#1.offset|) (<= |#NULL.base| 0) (or (not (= 0 |ULTIMATE.start_inspect_before_~shape#1.offset|)) (not (= |ULTIMATE.start_inspect_before_~shape#1.base| 0))) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_main_~data~0#1.offset| 0) (<= |ULTIMATE.start_inspect_before_#in~shape#1.offset| 0) (<= 0 |#StackHeapBarrier|) (<= (+ 8 |ULTIMATE.start_inspect_before_~shape#1.offset|) (select |#length| |ULTIMATE.start_inspect_before_~shape#1.base|)) (<= |ULTIMATE.start_main_~node~1#1.offset| 0))' at error location [2022-11-19 06:42:12,379 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 06:42:12,379 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 06:42:12,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 14] total 41 [2022-11-19 06:42:12,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11497237] [2022-11-19 06:42:12,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 06:42:12,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-11-19 06:42:12,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:42:12,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-11-19 06:42:12,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=4017, Unknown=1, NotChecked=0, Total=4290 [2022-11-19 06:42:12,382 INFO L87 Difference]: Start difference. First operand 329 states and 365 transitions. Second operand has 42 states, 41 states have (on average 3.1951219512195124) internal successors, (131), 42 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:42:21,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:42:21,419 INFO L93 Difference]: Finished difference Result 634 states and 701 transitions. [2022-11-19 06:42:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-19 06:42:21,427 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 41 states have (on average 3.1951219512195124) internal successors, (131), 42 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-11-19 06:42:21,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:42:21,431 INFO L225 Difference]: With dead ends: 634 [2022-11-19 06:42:21,431 INFO L226 Difference]: Without dead ends: 634 [2022-11-19 06:42:21,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 86 SyntacticMatches, 8 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2224 ImplicationChecksByTransitivity, 24.0s TimeCoverageRelationStatistics Valid=872, Invalid=7137, Unknown=1, NotChecked=0, Total=8010 [2022-11-19 06:42:21,434 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 2303 mSDsluCounter, 2760 mSDsCounter, 0 mSdLazyCounter, 3146 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2303 SdHoareTripleChecker+Valid, 2910 SdHoareTripleChecker+Invalid, 4514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 3146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1294 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:42:21,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2303 Valid, 2910 Invalid, 4514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 3146 Invalid, 0 Unknown, 1294 Unchecked, 2.8s Time] [2022-11-19 06:42:21,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2022-11-19 06:42:21,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 329. [2022-11-19 06:42:21,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 240 states have (on average 1.4666666666666666) internal successors, (352), 326 states have internal predecessors, (352), 10 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:42:21,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 364 transitions. [2022-11-19 06:42:21,445 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 364 transitions. Word has length 45 [2022-11-19 06:42:21,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:42:21,447 INFO L495 AbstractCegarLoop]: Abstraction has 329 states and 364 transitions. [2022-11-19 06:42:21,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 3.1951219512195124) internal successors, (131), 42 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:42:21,447 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 364 transitions. [2022-11-19 06:42:21,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-19 06:42:21,449 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:42:21,449 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:42:21,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-19 06:42:21,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:42:21,655 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:42:21,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:42:21,655 INFO L85 PathProgramCache]: Analyzing trace with hash 446931310, now seen corresponding path program 1 times [2022-11-19 06:42:21,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:42:21,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879676701] [2022-11-19 06:42:21,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:42:21,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:42:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:42:21,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:42:21,731 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:42:21,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879676701] [2022-11-19 06:42:21,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879676701] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:42:21,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:42:21,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:42:21,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722175127] [2022-11-19 06:42:21,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:42:21,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:42:21,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:42:21,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:42:21,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:42:21,733 INFO L87 Difference]: Start difference. First operand 329 states and 364 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:42:21,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:42:21,926 INFO L93 Difference]: Finished difference Result 328 states and 361 transitions. [2022-11-19 06:42:21,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:42:21,926 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2022-11-19 06:42:21,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:42:21,928 INFO L225 Difference]: With dead ends: 328 [2022-11-19 06:42:21,928 INFO L226 Difference]: Without dead ends: 328 [2022-11-19 06:42:21,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:42:21,928 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 24 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:42:21,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 641 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 06:42:21,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2022-11-19 06:42:21,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2022-11-19 06:42:21,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 240 states have (on average 1.4583333333333333) internal successors, (350), 325 states have internal predecessors, (350), 9 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:42:21,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 361 transitions. [2022-11-19 06:42:21,936 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 361 transitions. Word has length 46 [2022-11-19 06:42:21,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:42:21,936 INFO L495 AbstractCegarLoop]: Abstraction has 328 states and 361 transitions. [2022-11-19 06:42:21,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:42:21,937 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 361 transitions. [2022-11-19 06:42:21,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-19 06:42:21,937 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:42:21,937 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:42:21,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-11-19 06:42:21,938 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:42:21,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:42:21,938 INFO L85 PathProgramCache]: Analyzing trace with hash 258826840, now seen corresponding path program 1 times [2022-11-19 06:42:21,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:42:21,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672771869] [2022-11-19 06:42:21,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:42:21,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:42:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:42:24,094 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:42:24,094 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:42:24,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672771869] [2022-11-19 06:42:24,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672771869] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:42:24,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717983674] [2022-11-19 06:42:24,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:42:24,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:42:24,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:42:24,096 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:42:24,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-19 06:42:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:42:24,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 100 conjunts are in the unsatisfiable core [2022-11-19 06:42:24,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:42:24,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 06:42:24,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:42:24,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:42:24,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:24,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:42:24,417 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:42:24,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:42:24,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:24,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:42:24,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:42:24,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 06:42:24,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:24,546 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-19 06:42:24,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 54 [2022-11-19 06:42:24,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:24,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 48 [2022-11-19 06:42:24,674 INFO L321 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2022-11-19 06:42:24,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 41 [2022-11-19 06:42:24,785 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-19 06:42:24,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 54 [2022-11-19 06:42:24,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2022-11-19 06:42:24,837 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-19 06:42:24,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 54 [2022-11-19 06:42:24,865 INFO L321 Elim1Store]: treesize reduction 12, result has 58.6 percent of original size [2022-11-19 06:42:24,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 29 [2022-11-19 06:42:24,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2022-11-19 06:42:24,993 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-19 06:42:24,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 47 [2022-11-19 06:42:25,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2022-11-19 06:42:25,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:25,117 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-19 06:42:25,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 64 [2022-11-19 06:42:25,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:25,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 46 [2022-11-19 06:42:26,558 INFO L321 Elim1Store]: treesize reduction 97, result has 10.2 percent of original size [2022-11-19 06:42:26,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 14 case distinctions, treesize of input 168 treesize of output 86 [2022-11-19 06:42:26,577 INFO L321 Elim1Store]: treesize reduction 10, result has 41.2 percent of original size [2022-11-19 06:42:26,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 25 [2022-11-19 06:42:26,581 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:42:26,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:42:27,044 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:42:27,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 43 [2022-11-19 06:42:27,055 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:42:27,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 53 [2022-11-19 06:42:46,593 INFO L321 Elim1Store]: treesize reduction 109, result has 31.4 percent of original size [2022-11-19 06:42:46,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 240 treesize of output 253 [2022-11-19 06:42:46,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:46,688 INFO L321 Elim1Store]: treesize reduction 95, result has 40.3 percent of original size [2022-11-19 06:42:46,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 203 treesize of output 119 [2022-11-19 06:42:46,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:46,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:46,719 INFO L321 Elim1Store]: treesize reduction 17, result has 32.0 percent of original size [2022-11-19 06:42:46,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 81 [2022-11-19 06:42:46,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:46,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:46,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:46,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:46,777 INFO L321 Elim1Store]: treesize reduction 20, result has 51.2 percent of original size [2022-11-19 06:42:46,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 151 treesize of output 149 [2022-11-19 06:42:46,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2022-11-19 06:42:46,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:46,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:46,845 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-19 06:42:46,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 36 [2022-11-19 06:42:46,936 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:42:46,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 150 treesize of output 148 [2022-11-19 06:42:47,363 INFO L321 Elim1Store]: treesize reduction 114, result has 28.3 percent of original size [2022-11-19 06:42:47,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 192 treesize of output 163 [2022-11-19 06:42:47,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:47,437 INFO L321 Elim1Store]: treesize reduction 119, result has 25.2 percent of original size [2022-11-19 06:42:47,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 118 treesize of output 84 [2022-11-19 06:42:47,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:47,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:47,464 INFO L321 Elim1Store]: treesize reduction 72, result has 5.3 percent of original size [2022-11-19 06:42:47,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 241 treesize of output 200 [2022-11-19 06:42:47,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:47,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:47,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:47,493 INFO L321 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2022-11-19 06:42:47,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 93 treesize of output 61 [2022-11-19 06:42:47,512 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:42:47,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 56 [2022-11-19 06:42:47,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2022-11-19 06:42:52,159 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 7 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:42:52,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717983674] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:42:52,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1016709178] [2022-11-19 06:42:52,161 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-11-19 06:42:52,162 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:42:52,162 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:42:52,162 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:42:52,162 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:42:52,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 06:42:52,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:42:52,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:42:52,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-19 06:42:52,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:42:52,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:42:52,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-19 06:42:52,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:42:52,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-19 06:42:52,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:42:52,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:42:52,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:42:52,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 38 [2022-11-19 06:42:52,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:42:52,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 47 [2022-11-19 06:42:52,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,529 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-19 06:42:52,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 143 treesize of output 111 [2022-11-19 06:42:52,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-19 06:42:52,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-11-19 06:42:52,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:52,631 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-19 06:42:52,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-11-19 06:42:52,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-11-19 06:42:52,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-19 06:42:52,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-11-19 06:42:52,802 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-19 06:42:52,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 169 treesize of output 136 [2022-11-19 06:42:52,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-19 06:42:52,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 57 [2022-11-19 06:42:52,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:52,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:52,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:52,964 INFO L321 Elim1Store]: treesize reduction 77, result has 8.3 percent of original size [2022-11-19 06:42:52,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 483 treesize of output 486 [2022-11-19 06:42:52,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:52,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:52,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:52,992 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:53,017 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-19 06:42:53,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 495 treesize of output 457 [2022-11-19 06:42:53,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:53,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:53,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:53,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:53,074 INFO L321 Elim1Store]: treesize reduction 80, result has 33.9 percent of original size [2022-11-19 06:42:53,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 639 treesize of output 606 [2022-11-19 06:42:53,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:53,485 INFO L321 Elim1Store]: treesize reduction 296, result has 15.9 percent of original size [2022-11-19 06:42:53,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 19 case distinctions, treesize of input 1230 treesize of output 1211 [2022-11-19 06:42:53,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:53,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:53,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:53,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:54,139 INFO L321 Elim1Store]: treesize reduction 194, result has 16.0 percent of original size [2022-11-19 06:42:54,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 1572 treesize of output 983 [2022-11-19 06:42:54,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:54,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:54,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:54,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:54,294 INFO L321 Elim1Store]: treesize reduction 292, result has 17.7 percent of original size [2022-11-19 06:42:54,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 1562 treesize of output 1421 [2022-11-19 06:42:54,395 INFO L321 Elim1Store]: treesize reduction 152, result has 14.1 percent of original size [2022-11-19 06:42:54,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1520 treesize of output 1381 [2022-11-19 06:42:55,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:55,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:55,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:55,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:55,601 INFO L321 Elim1Store]: treesize reduction 246, result has 10.2 percent of original size [2022-11-19 06:42:55,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 23 case distinctions, treesize of input 5753 treesize of output 3464 [2022-11-19 06:42:55,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:55,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:55,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:55,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:55,776 INFO L321 Elim1Store]: treesize reduction 340, result has 9.1 percent of original size [2022-11-19 06:42:55,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 23 case distinctions, treesize of input 5771 treesize of output 5058 [2022-11-19 06:42:55,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:55,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:55,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:55,945 INFO L321 Elim1Store]: treesize reduction 156, result has 23.9 percent of original size [2022-11-19 06:42:55,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 5740 treesize of output 5146 [2022-11-19 06:42:56,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:56,223 INFO L321 Elim1Store]: treesize reduction 410, result has 13.7 percent of original size [2022-11-19 06:42:56,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 5640 treesize of output 5386 [2022-11-19 06:43:01,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:01,822 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:02,070 INFO L321 Elim1Store]: treesize reduction 250, result has 15.0 percent of original size [2022-11-19 06:43:02,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 23399 treesize of output 13925 [2022-11-19 06:43:02,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:02,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:02,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:02,488 INFO L321 Elim1Store]: treesize reduction 364, result has 16.1 percent of original size [2022-11-19 06:43:02,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 23193 treesize of output 20371 [2022-11-19 06:43:02,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:02,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:02,898 INFO L321 Elim1Store]: treesize reduction 190, result has 11.6 percent of original size [2022-11-19 06:43:02,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 22968 treesize of output 20758 [2022-11-19 06:43:12,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:43:12,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:43:12,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:43:12,100 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 06:43:12,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-19 06:43:12,124 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:43:12,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:43:12,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 06:43:12,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:43:12,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2022-11-19 06:43:12,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:43:12,200 INFO L321 Elim1Store]: treesize reduction 24, result has 38.5 percent of original size [2022-11-19 06:43:12,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 33 [2022-11-19 06:43:12,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:12,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:43:12,250 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:43:12,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:43:12,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:12,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 26 [2022-11-19 06:43:12,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:43:12,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2022-11-19 06:43:12,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-11-19 06:43:12,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:43:12,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:43:12,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:43:13,311 INFO L321 Elim1Store]: treesize reduction 46, result has 37.8 percent of original size [2022-11-19 06:43:13,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 146 treesize of output 166 [2022-11-19 06:43:13,434 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:43:13,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:43:13,480 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:43:13,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:43:13,520 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:43:13,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:43:13,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:43:14,019 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-19 06:43:14,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 1035 treesize of output 1002 [2022-11-19 06:43:14,055 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-19 06:43:14,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 991 treesize of output 914 [2022-11-19 06:43:14,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:14,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:43:15,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:15,080 INFO L321 Elim1Store]: treesize reduction 70, result has 28.6 percent of original size [2022-11-19 06:43:15,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 2653 treesize of output 2582 [2022-11-19 06:43:15,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:15,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:15,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2550 treesize of output 2352 [2022-11-19 06:43:15,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:15,236 INFO L321 Elim1Store]: treesize reduction 39, result has 30.4 percent of original size [2022-11-19 06:43:15,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 2563 treesize of output 2504 [2022-11-19 06:43:19,209 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:43:19,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:43:19,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:19,270 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-11-19 06:43:19,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:43:19,517 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:43:19,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 29 [2022-11-19 06:43:19,650 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:43:19,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:43:19,733 INFO L321 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2022-11-19 06:43:19,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:43:19,937 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-11-19 06:43:19,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:43:19,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:19,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2022-11-19 06:43:20,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2022-11-19 06:43:20,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2022-11-19 06:43:20,176 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:43:20,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:43:20,277 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:43:20,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:43:20,546 INFO L197 IcfgInterpreter]: Interpreting procedure fail with input of size 89 for LOIs [2022-11-19 06:43:20,625 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:43:27,880 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '34420#(and (<= 0 |#NULL.base|) (<= |#NULL.offset| 0) (<= |#NULL.base| 0) (<= 0 |#NULL.offset|) (or (exists ((|v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| Int)) (and (<= 0 |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|) (exists ((|v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) 1) (<= (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 8) (select |#length| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|)) (<= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) (not (= |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4| 0)) (= (select |#valid| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) 1) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) 0)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 4)) 0) (<= (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 4)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|) 0)))))) (exists ((|v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| Int)) (and (exists ((|v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) 1) (<= (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 8) (select |#length| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|)) (<= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) (= (select |#valid| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) 1) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) 0)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 4)) 0) (<= (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 4)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|) 0)))) (<= 0 |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|) (not (= |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 0)))) (exists ((|v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| Int)) (and (<= 0 |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|) (exists ((|v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) 1) (<= (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 8) (select |#length| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|)) (<= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) (= (select |#valid| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) 1) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) 0)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 4)) 0) (<= (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 4)) 0))) (not (= |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 0)))) (exists ((|v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| Int)) (and (<= 0 |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|) (exists ((|v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) 1) (<= (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 8) (select |#length| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|)) (<= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) (not (= |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4| 0)) (= (select |#valid| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) 1) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) 0)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 4)) 0) (<= (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 4)) 0))))) (exists ((|v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| Int)) (and (exists ((|v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) 1) (<= (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 8) (select |#length| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|)) (<= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) (not (= |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4| 0)) (= (select |#valid| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) 1) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|) 0)) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) 0)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 4)) 0) (<= (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 4)) 0))) (<= 0 |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|))) (exists ((|v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| Int)) (and (<= 0 |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|) (exists ((|v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) 1) (<= (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 8) (select |#length| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|)) (<= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) (not (= |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4| 0)) (= (select |#valid| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) 0)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 4)) 0) (<= (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 4)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|) 0)))))) (exists ((|v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| Int)) (and (<= 0 |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|) (exists ((|v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) 1) (<= (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 8) (select |#length| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|)) (<= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) (= (select |#valid| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) 1) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|) 0)) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) 0)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 4)) 0) (<= (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 4)) 0))) (not (= |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 0)))) (exists ((|v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| Int)) (and (exists ((|v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) 1) (<= (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 8) (select |#length| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|)) (<= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) (= (select |#valid| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|)) 0)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 4)) 0) (<= (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) (+ |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 4)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_inspect_before_~shape#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|) 0)))) (<= 0 |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4|) (not (= |v_ULTIMATE.start_inspect_before_~shape#1.offset_BEFORE_CALL_4| 0))))) (<= 0 |#StackHeapBarrier|))' at error location [2022-11-19 06:43:27,880 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 06:43:27,881 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 06:43:27,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15, 16] total 40 [2022-11-19 06:43:27,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804805615] [2022-11-19 06:43:27,881 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 06:43:27,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-11-19 06:43:27,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:43:27,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-11-19 06:43:27,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=3994, Unknown=9, NotChecked=0, Total=4290 [2022-11-19 06:43:27,883 INFO L87 Difference]: Start difference. First operand 328 states and 361 transitions. Second operand has 40 states, 40 states have (on average 2.975) internal successors, (119), 40 states have internal predecessors, (119), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:43:34,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:43:34,187 INFO L93 Difference]: Finished difference Result 550 states and 601 transitions. [2022-11-19 06:43:34,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-19 06:43:34,188 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 2.975) internal successors, (119), 40 states have internal predecessors, (119), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2022-11-19 06:43:34,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:43:34,191 INFO L225 Difference]: With dead ends: 550 [2022-11-19 06:43:34,191 INFO L226 Difference]: Without dead ends: 550 [2022-11-19 06:43:34,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 97 SyntacticMatches, 4 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2014 ImplicationChecksByTransitivity, 36.3s TimeCoverageRelationStatistics Valid=744, Invalid=6903, Unknown=9, NotChecked=0, Total=7656 [2022-11-19 06:43:34,192 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 1224 mSDsluCounter, 3642 mSDsCounter, 0 mSdLazyCounter, 1964 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1226 SdHoareTripleChecker+Valid, 3814 SdHoareTripleChecker+Invalid, 3067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1070 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:43:34,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1226 Valid, 3814 Invalid, 3067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1964 Invalid, 0 Unknown, 1070 Unchecked, 2.0s Time] [2022-11-19 06:43:34,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2022-11-19 06:43:34,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 329. [2022-11-19 06:43:34,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 241 states have (on average 1.4564315352697095) internal successors, (351), 326 states have internal predecessors, (351), 9 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:43:34,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 362 transitions. [2022-11-19 06:43:34,199 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 362 transitions. Word has length 48 [2022-11-19 06:43:34,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:43:34,199 INFO L495 AbstractCegarLoop]: Abstraction has 329 states and 362 transitions. [2022-11-19 06:43:34,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 2.975) internal successors, (119), 40 states have internal predecessors, (119), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:43:34,200 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 362 transitions. [2022-11-19 06:43:34,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-19 06:43:34,200 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:43:34,200 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:43:34,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-19 06:43:34,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:43:34,407 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:43:34,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:43:34,407 INFO L85 PathProgramCache]: Analyzing trace with hash 168125297, now seen corresponding path program 1 times [2022-11-19 06:43:34,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:43:34,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826549172] [2022-11-19 06:43:34,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:43:34,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:43:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:43:34,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:43:34,462 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:43:34,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826549172] [2022-11-19 06:43:34,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826549172] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:43:34,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:43:34,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:43:34,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553284890] [2022-11-19 06:43:34,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:43:34,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:43:34,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:43:34,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:43:34,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:43:34,464 INFO L87 Difference]: Start difference. First operand 329 states and 362 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:43:34,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:43:34,622 INFO L93 Difference]: Finished difference Result 402 states and 440 transitions. [2022-11-19 06:43:34,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:43:34,623 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-11-19 06:43:34,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:43:34,623 INFO L225 Difference]: With dead ends: 402 [2022-11-19 06:43:34,624 INFO L226 Difference]: Without dead ends: 402 [2022-11-19 06:43:34,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:43:34,624 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 399 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:43:34,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 300 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:43:34,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2022-11-19 06:43:34,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 330. [2022-11-19 06:43:34,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 242 states have (on average 1.4545454545454546) internal successors, (352), 327 states have internal predecessors, (352), 9 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:43:34,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 363 transitions. [2022-11-19 06:43:34,630 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 363 transitions. Word has length 49 [2022-11-19 06:43:34,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:43:34,631 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 363 transitions. [2022-11-19 06:43:34,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:43:34,631 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 363 transitions. [2022-11-19 06:43:34,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-19 06:43:34,632 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:43:34,632 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:43:34,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-11-19 06:43:34,632 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:43:34,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:43:34,633 INFO L85 PathProgramCache]: Analyzing trace with hash -556748152, now seen corresponding path program 1 times [2022-11-19 06:43:34,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:43:34,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320746630] [2022-11-19 06:43:34,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:43:34,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:43:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:43:35,921 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:43:35,922 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:43:35,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320746630] [2022-11-19 06:43:35,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320746630] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:43:35,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98944782] [2022-11-19 06:43:35,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:43:35,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:43:35,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:43:35,925 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:43:35,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-19 06:43:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:43:36,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 67 conjunts are in the unsatisfiable core [2022-11-19 06:43:36,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:43:36,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 06:43:36,190 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:43:36,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:43:36,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:43:36,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:36,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2022-11-19 06:43:36,361 INFO L321 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2022-11-19 06:43:36,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 41 [2022-11-19 06:43:36,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2022-11-19 06:43:36,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2022-11-19 06:43:36,489 INFO L321 Elim1Store]: treesize reduction 66, result has 35.3 percent of original size [2022-11-19 06:43:36,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 53 [2022-11-19 06:43:36,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 36 [2022-11-19 06:43:36,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:43:36,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 34 [2022-11-19 06:43:37,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-19 06:43:38,035 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:43:38,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 37 [2022-11-19 06:43:38,111 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:43:38,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:43:38,443 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:43:38,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:43:38,802 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:43:38,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 40 [2022-11-19 06:43:38,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 174 [2022-11-19 06:43:38,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 166 [2022-11-19 06:43:38,825 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:43:38,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 172 treesize of output 170 [2022-11-19 06:43:39,623 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 16 refuted. 2 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:43:39,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98944782] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:43:39,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [42306922] [2022-11-19 06:43:39,625 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-11-19 06:43:39,625 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:43:39,625 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:43:39,625 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:43:39,625 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:43:39,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 06:43:39,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:43:39,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:43:39,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-19 06:43:39,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:43:39,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:43:39,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:43:39,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-19 06:43:39,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-19 06:43:39,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:43:39,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:43:39,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:43:39,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:43:39,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 38 [2022-11-19 06:43:39,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 56 [2022-11-19 06:43:39,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,923 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-19 06:43:39,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 163 treesize of output 131 [2022-11-19 06:43:39,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 46 [2022-11-19 06:43:39,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 86 [2022-11-19 06:43:40,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:40,025 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-19 06:43:40,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-11-19 06:43:40,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-11-19 06:43:40,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-11-19 06:43:40,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-19 06:43:40,231 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-19 06:43:40,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 169 treesize of output 136 [2022-11-19 06:43:40,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-19 06:43:40,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 57 [2022-11-19 06:43:40,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:40,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:40,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:40,407 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-19 06:43:40,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 490 treesize of output 452 [2022-11-19 06:43:40,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:40,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:40,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,462 INFO L321 Elim1Store]: treesize reduction 80, result has 33.9 percent of original size [2022-11-19 06:43:40,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 634 treesize of output 601 [2022-11-19 06:43:40,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:40,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:40,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:40,514 INFO L321 Elim1Store]: treesize reduction 131, result has 9.0 percent of original size [2022-11-19 06:43:40,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 600 treesize of output 603 [2022-11-19 06:43:40,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:40,953 INFO L321 Elim1Store]: treesize reduction 296, result has 15.9 percent of original size [2022-11-19 06:43:40,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 19 case distinctions, treesize of input 1244 treesize of output 1221 [2022-11-19 06:43:41,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:41,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:41,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:41,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:41,708 INFO L321 Elim1Store]: treesize reduction 194, result has 16.0 percent of original size [2022-11-19 06:43:41,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 3120 treesize of output 1919 [2022-11-19 06:43:41,804 INFO L321 Elim1Store]: treesize reduction 152, result has 14.1 percent of original size [2022-11-19 06:43:41,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 3068 treesize of output 2757 [2022-11-19 06:43:41,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:41,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:41,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:41,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:41,940 INFO L321 Elim1Store]: treesize reduction 292, result has 17.7 percent of original size [2022-11-19 06:43:41,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 3082 treesize of output 2713 [2022-11-19 06:43:42,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:42,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:42,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:42,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:42,890 INFO L321 Elim1Store]: treesize reduction 246, result has 10.2 percent of original size [2022-11-19 06:43:42,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 23 case distinctions, treesize of input 3845 treesize of output 2358 [2022-11-19 06:43:42,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:42,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:42,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:42,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:43,064 INFO L321 Elim1Store]: treesize reduction 340, result has 9.1 percent of original size [2022-11-19 06:43:43,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 3863 treesize of output 3400 [2022-11-19 06:43:43,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:43,338 INFO L321 Elim1Store]: treesize reduction 410, result has 13.7 percent of original size [2022-11-19 06:43:43,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 3844 treesize of output 3650 [2022-11-19 06:43:43,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:43,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:43,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:43,495 INFO L321 Elim1Store]: treesize reduction 156, result has 23.9 percent of original size [2022-11-19 06:43:43,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 3796 treesize of output 3438 [2022-11-19 06:43:45,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:45,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:45,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:45,326 INFO L321 Elim1Store]: treesize reduction 250, result has 15.0 percent of original size [2022-11-19 06:43:45,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 7664 treesize of output 4614 [2022-11-19 06:43:45,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:45,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:45,482 INFO L321 Elim1Store]: treesize reduction 190, result has 11.6 percent of original size [2022-11-19 06:43:45,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 7639 treesize of output 6965 [2022-11-19 06:43:45,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:45,587 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:45,587 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:43:45,720 INFO L321 Elim1Store]: treesize reduction 364, result has 16.1 percent of original size [2022-11-19 06:43:45,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 7640 treesize of output 6802 [2022-11-19 06:43:48,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:43:48,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:43:48,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:43:48,158 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 06:43:48,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-19 06:43:48,184 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:43:48,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:43:48,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 06:43:48,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:43:48,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:43:48,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:43:48,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:48,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2022-11-19 06:43:48,270 INFO L321 Elim1Store]: treesize reduction 24, result has 38.5 percent of original size [2022-11-19 06:43:48,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 31 [2022-11-19 06:43:48,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:48,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:43:48,324 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:43:48,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:43:48,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:43:48,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 06:43:48,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-11-19 06:43:48,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:43:48,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:43:48,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:43:49,202 INFO L321 Elim1Store]: treesize reduction 46, result has 37.8 percent of original size [2022-11-19 06:43:49,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 125 treesize of output 145 [2022-11-19 06:43:49,329 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:43:49,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:43:49,370 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:43:49,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:43:49,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:43:49,540 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-19 06:43:49,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 418 treesize of output 421 [2022-11-19 06:43:49,567 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-19 06:43:49,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 410 treesize of output 381 [2022-11-19 06:43:49,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:49,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:43:49,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:49,887 INFO L321 Elim1Store]: treesize reduction 70, result has 28.6 percent of original size [2022-11-19 06:43:49,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 857 treesize of output 850 [2022-11-19 06:43:49,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:49,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:49,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 818 treesize of output 768 [2022-11-19 06:43:49,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:49,980 INFO L321 Elim1Store]: treesize reduction 39, result has 30.4 percent of original size [2022-11-19 06:43:49,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 831 treesize of output 814 [2022-11-19 06:43:51,409 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:43:51,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:43:51,460 INFO L321 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2022-11-19 06:43:51,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:43:51,487 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-11-19 06:43:51,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:43:51,876 INFO L321 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2022-11-19 06:43:51,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:43:51,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2022-11-19 06:43:51,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2022-11-19 06:43:51,995 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-11-19 06:43:51,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:43:52,043 INFO L321 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2022-11-19 06:43:52,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:43:52,262 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:43:55,658 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '36449#(and (<= 0 |#NULL.base|) (<= 0 |ULTIMATE.start_inspect_before_~shape#1.offset|) (= (select |#valid| |ULTIMATE.start_inspect_before_~shape#1.base|) 1) (<= (+ 4 |ULTIMATE.start_inspect_before_~shape#1.offset|) (select |#length| |ULTIMATE.start_inspect_before_~shape#1.base|)) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= 0 |ULTIMATE.start_main_~node~1#1.offset|) (<= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_inspect_before_#in~shape#1.offset|) (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_inspect_before_~shape#1.base|) |ULTIMATE.start_inspect_before_~shape#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_inspect_before_~shape#1.base|) |ULTIMATE.start_inspect_before_~shape#1.offset|) 0))) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~data~0#1.offset|) (<= |#NULL.base| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_inspect_before_~shape#1.base|) |ULTIMATE.start_inspect_before_~shape#1.offset|) |ULTIMATE.start_inspect_before_#t~mem24#1.offset|) (not (= (select |#valid| |ULTIMATE.start_inspect_before_#t~mem24#1.base|) 1)) (<= 0 |#NULL.offset|) (= |ULTIMATE.start_inspect_before_#t~mem24#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_inspect_before_~shape#1.base|) |ULTIMATE.start_inspect_before_~shape#1.offset|)) (<= |ULTIMATE.start_main_~data~0#1.offset| 0) (<= |ULTIMATE.start_inspect_before_#in~shape#1.offset| 0) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~node~1#1.offset| 0))' at error location [2022-11-19 06:43:55,658 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 06:43:55,658 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 06:43:55,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 14] total 38 [2022-11-19 06:43:55,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491663477] [2022-11-19 06:43:55,659 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 06:43:55,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-11-19 06:43:55,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:43:55,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-11-19 06:43:55,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=2945, Unknown=3, NotChecked=0, Total=3192 [2022-11-19 06:43:55,660 INFO L87 Difference]: Start difference. First operand 330 states and 363 transitions. Second operand has 39 states, 38 states have (on average 3.3421052631578947) internal successors, (127), 39 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:43:59,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:43:59,331 INFO L93 Difference]: Finished difference Result 374 states and 408 transitions. [2022-11-19 06:43:59,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-19 06:43:59,331 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 3.3421052631578947) internal successors, (127), 39 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2022-11-19 06:43:59,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:43:59,333 INFO L225 Difference]: With dead ends: 374 [2022-11-19 06:43:59,333 INFO L226 Difference]: Without dead ends: 374 [2022-11-19 06:43:59,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 119 SyntacticMatches, 4 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 1353 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=591, Invalid=4662, Unknown=3, NotChecked=0, Total=5256 [2022-11-19 06:43:59,334 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 645 mSDsluCounter, 2991 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 3156 SdHoareTripleChecker+Invalid, 2457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 793 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:43:59,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [645 Valid, 3156 Invalid, 2457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1631 Invalid, 0 Unknown, 793 Unchecked, 1.2s Time] [2022-11-19 06:43:59,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2022-11-19 06:43:59,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 331. [2022-11-19 06:43:59,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 243 states have (on average 1.4567901234567902) internal successors, (354), 328 states have internal predecessors, (354), 9 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:43:59,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 365 transitions. [2022-11-19 06:43:59,340 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 365 transitions. Word has length 51 [2022-11-19 06:43:59,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:43:59,340 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 365 transitions. [2022-11-19 06:43:59,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 3.3421052631578947) internal successors, (127), 39 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:43:59,341 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 365 transitions. [2022-11-19 06:43:59,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-19 06:43:59,341 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:43:59,341 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:43:59,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-11-19 06:43:59,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:43:59,551 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:43:59,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:43:59,551 INFO L85 PathProgramCache]: Analyzing trace with hash -556748151, now seen corresponding path program 1 times [2022-11-19 06:43:59,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:43:59,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537598511] [2022-11-19 06:43:59,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:43:59,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:43:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:44:01,386 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:44:01,387 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:44:01,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537598511] [2022-11-19 06:44:01,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537598511] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:44:01,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838251196] [2022-11-19 06:44:01,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:44:01,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:44:01,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:44:01,388 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:44:01,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-19 06:44:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:44:01,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 83 conjunts are in the unsatisfiable core [2022-11-19 06:44:01,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:44:01,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 06:44:01,686 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 06:44:01,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-19 06:44:01,707 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:44:01,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:44:01,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:44:01,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:44:01,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:01,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:44:01,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:01,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 31 [2022-11-19 06:44:01,920 INFO L321 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2022-11-19 06:44:01,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 41 [2022-11-19 06:44:01,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-19 06:44:02,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-19 06:44:02,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:44:02,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-19 06:44:02,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:44:02,078 INFO L321 Elim1Store]: treesize reduction 12, result has 58.6 percent of original size [2022-11-19 06:44:02,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 29 [2022-11-19 06:44:02,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-19 06:44:02,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2022-11-19 06:44:02,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:44:02,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2022-11-19 06:44:02,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2022-11-19 06:44:03,021 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:44:03,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 45 [2022-11-19 06:44:03,032 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-19 06:44:03,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 16 [2022-11-19 06:44:03,079 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:44:03,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:44:03,647 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:44:03,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2022-11-19 06:44:03,656 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:44:03,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 35 [2022-11-19 06:44:03,661 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:44:03,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 30 [2022-11-19 06:44:04,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:04,777 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:44:04,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 32 [2022-11-19 06:44:04,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 52 [2022-11-19 06:44:04,791 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:44:04,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 56 [2022-11-19 06:44:04,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2022-11-19 06:44:04,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:04,892 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:44:04,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 65 [2022-11-19 06:44:04,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 386 treesize of output 374 [2022-11-19 06:44:04,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:04,918 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:44:04,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 370 treesize of output 284 [2022-11-19 06:44:04,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 862 treesize of output 826 [2022-11-19 06:44:04,950 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:44:04,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 828 treesize of output 802 [2022-11-19 06:44:04,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 403 treesize of output 387 [2022-11-19 06:44:04,985 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:44:04,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 780 treesize of output 754 [2022-11-19 06:44:04,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 742 treesize of output 726 [2022-11-19 06:44:23,799 WARN L233 SmtUtils]: Spent 16.71s on a formula simplification. DAG size of input: 137 DAG size of output: 46 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:44:23,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1025 treesize of output 1007 [2022-11-19 06:44:26,167 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:44:26,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838251196] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:44:26,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1263916257] [2022-11-19 06:44:26,169 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-11-19 06:44:26,169 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:44:26,169 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:44:26,169 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:44:26,169 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:44:26,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 06:44:26,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-19 06:44:26,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:44:26,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:44:26,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:44:26,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:44:26,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:44:26,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-19 06:44:26,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:44:26,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:44:26,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-19 06:44:26,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:44:26,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:44:26,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 38 [2022-11-19 06:44:26,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 47 [2022-11-19 06:44:26,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,491 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-19 06:44:26,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 163 treesize of output 131 [2022-11-19 06:44:26,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 46 [2022-11-19 06:44:26,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 86 [2022-11-19 06:44:26,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:26,601 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-11-19 06:44:26,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 179 treesize of output 131 [2022-11-19 06:44:26,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-19 06:44:26,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-19 06:44:26,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-11-19 06:44:26,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,785 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-19 06:44:26,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 171 treesize of output 138 [2022-11-19 06:44:26,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2022-11-19 06:44:26,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 57 [2022-11-19 06:44:26,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:26,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:26,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:26,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:26,960 INFO L321 Elim1Store]: treesize reduction 79, result has 10.2 percent of original size [2022-11-19 06:44:26,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 487 treesize of output 490 [2022-11-19 06:44:26,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:26,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:26,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:27,021 INFO L321 Elim1Store]: treesize reduction 80, result has 33.9 percent of original size [2022-11-19 06:44:27,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 595 treesize of output 562 [2022-11-19 06:44:27,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:27,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:27,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:27,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:27,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:27,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:27,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:27,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:27,066 INFO L321 Elim1Store]: treesize reduction 73, result has 17.0 percent of original size [2022-11-19 06:44:27,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 592 treesize of output 488 [2022-11-19 06:44:27,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:27,406 INFO L321 Elim1Store]: treesize reduction 338, result has 16.7 percent of original size [2022-11-19 06:44:27,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 19 case distinctions, treesize of input 1412 treesize of output 1393 [2022-11-19 06:44:27,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:27,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:27,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:27,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:27,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:28,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:28,120 INFO L321 Elim1Store]: treesize reduction 122, result has 24.2 percent of original size [2022-11-19 06:44:28,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 2421 treesize of output 1344 [2022-11-19 06:44:28,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:28,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:28,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:28,315 INFO L321 Elim1Store]: treesize reduction 336, result has 14.3 percent of original size [2022-11-19 06:44:28,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 19 case distinctions, treesize of input 2422 treesize of output 2005 [2022-11-19 06:44:28,392 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-19 06:44:28,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2305 treesize of output 2154 [2022-11-19 06:44:29,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:29,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:29,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:29,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:29,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:29,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:29,616 INFO L321 Elim1Store]: treesize reduction 142, result has 15.0 percent of original size [2022-11-19 06:44:29,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 22 case distinctions, treesize of input 6065 treesize of output 3156 [2022-11-19 06:44:29,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:29,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:29,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:29,817 INFO L321 Elim1Store]: treesize reduction 388, result has 8.5 percent of original size [2022-11-19 06:44:29,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 23 case distinctions, treesize of input 6083 treesize of output 4878 [2022-11-19 06:44:29,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:30,172 INFO L321 Elim1Store]: treesize reduction 458, result has 14.4 percent of original size [2022-11-19 06:44:30,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 6064 treesize of output 5808 [2022-11-19 06:44:30,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:30,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:30,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:30,349 INFO L321 Elim1Store]: treesize reduction 100, result has 35.5 percent of original size [2022-11-19 06:44:30,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 5962 treesize of output 5650 [2022-11-19 06:44:34,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:34,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:34,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:34,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:34,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:34,954 INFO L321 Elim1Store]: treesize reduction 170, result has 21.3 percent of original size [2022-11-19 06:44:34,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 18683 treesize of output 9577 [2022-11-19 06:44:35,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:35,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:35,360 INFO L321 Elim1Store]: treesize reduction 416, result has 13.2 percent of original size [2022-11-19 06:44:35,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 26 case distinctions, treesize of input 18464 treesize of output 14848 [2022-11-19 06:44:35,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:35,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:44:35,667 INFO L321 Elim1Store]: treesize reduction 85, result has 7.6 percent of original size [2022-11-19 06:44:35,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 18140 treesize of output 17194 [2022-11-19 06:44:43,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:44:43,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:44:43,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:44:43,522 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:44:43,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:44:43,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:44:43,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 06:44:43,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:44:43,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:44:43,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:43,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2022-11-19 06:44:43,613 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:44:43,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:44:43,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:43,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:44:43,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:44:43,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 29 [2022-11-19 06:44:43,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-11-19 06:44:43,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:44:43,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:44:43,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:44:43,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:44:43,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:44:44,473 INFO L321 Elim1Store]: treesize reduction 46, result has 37.8 percent of original size [2022-11-19 06:44:44,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 125 treesize of output 145 [2022-11-19 06:44:44,575 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:44:44,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:44:44,600 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-11-19 06:44:44,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 1 [2022-11-19 06:44:44,742 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-19 06:44:44,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 351 treesize of output 360 [2022-11-19 06:44:44,778 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-19 06:44:44,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 349 treesize of output 320 [2022-11-19 06:44:44,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:44:45,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:45,131 INFO L321 Elim1Store]: treesize reduction 70, result has 28.6 percent of original size [2022-11-19 06:44:45,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 745 treesize of output 744 [2022-11-19 06:44:45,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:45,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:45,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 712 treesize of output 662 [2022-11-19 06:44:45,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:45,221 INFO L321 Elim1Store]: treesize reduction 39, result has 30.4 percent of original size [2022-11-19 06:44:45,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 725 treesize of output 714 [2022-11-19 06:44:45,948 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:44:45,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:44:45,999 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:44:45,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:44:46,070 INFO L321 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2022-11-19 06:44:46,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:44:46,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2022-11-19 06:44:46,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:44:46,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:44:46,176 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:44:50,064 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '37551#(and (<= 0 |#NULL.base|) (or (not (<= (+ |ULTIMATE.start_inspect_before_#t~mem24#1.offset| 4) (select |#length| |ULTIMATE.start_inspect_before_#t~mem24#1.base|))) (not (<= 0 |ULTIMATE.start_inspect_before_#t~mem24#1.offset|))) (<= 0 |ULTIMATE.start_inspect_before_~shape#1.offset|) (= (select |#valid| |ULTIMATE.start_inspect_before_~shape#1.base|) 1) (<= (+ 4 |ULTIMATE.start_inspect_before_~shape#1.offset|) (select |#length| |ULTIMATE.start_inspect_before_~shape#1.base|)) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= 0 |ULTIMATE.start_main_~node~1#1.offset|) (<= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_inspect_before_#in~shape#1.offset|) (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_inspect_before_~shape#1.base|) |ULTIMATE.start_inspect_before_~shape#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_inspect_before_~shape#1.base|) |ULTIMATE.start_inspect_before_~shape#1.offset|) 0))) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~data~0#1.offset|) (<= |#NULL.base| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_inspect_before_~shape#1.base|) |ULTIMATE.start_inspect_before_~shape#1.offset|) |ULTIMATE.start_inspect_before_#t~mem24#1.offset|) (<= 0 |#NULL.offset|) (= |ULTIMATE.start_inspect_before_#t~mem24#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_inspect_before_~shape#1.base|) |ULTIMATE.start_inspect_before_~shape#1.offset|)) (<= |ULTIMATE.start_main_~data~0#1.offset| 0) (<= |ULTIMATE.start_inspect_before_#in~shape#1.offset| 0) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~node~1#1.offset| 0))' at error location [2022-11-19 06:44:50,064 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 06:44:50,064 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 06:44:50,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11, 13] total 38 [2022-11-19 06:44:50,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364983952] [2022-11-19 06:44:50,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 06:44:50,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-11-19 06:44:50,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:44:50,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-11-19 06:44:50,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=2958, Unknown=1, NotChecked=0, Total=3192 [2022-11-19 06:44:50,066 INFO L87 Difference]: Start difference. First operand 331 states and 365 transitions. Second operand has 39 states, 38 states have (on average 3.6842105263157894) internal successors, (140), 39 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:44:56,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:44:56,282 INFO L93 Difference]: Finished difference Result 429 states and 472 transitions. [2022-11-19 06:44:56,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-19 06:44:56,282 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 3.6842105263157894) internal successors, (140), 39 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2022-11-19 06:44:56,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:44:56,283 INFO L225 Difference]: With dead ends: 429 [2022-11-19 06:44:56,283 INFO L226 Difference]: Without dead ends: 429 [2022-11-19 06:44:56,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 116 SyntacticMatches, 5 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1227 ImplicationChecksByTransitivity, 27.8s TimeCoverageRelationStatistics Valid=641, Invalid=4760, Unknown=1, NotChecked=0, Total=5402 [2022-11-19 06:44:56,284 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 1567 mSDsluCounter, 2602 mSDsCounter, 0 mSdLazyCounter, 1688 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1567 SdHoareTripleChecker+Valid, 2818 SdHoareTripleChecker+Invalid, 2643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 916 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:44:56,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1567 Valid, 2818 Invalid, 2643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1688 Invalid, 0 Unknown, 916 Unchecked, 1.6s Time] [2022-11-19 06:44:56,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-11-19 06:44:56,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 331. [2022-11-19 06:44:56,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 243 states have (on average 1.4526748971193415) internal successors, (353), 328 states have internal predecessors, (353), 9 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:44:56,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 364 transitions. [2022-11-19 06:44:56,291 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 364 transitions. Word has length 51 [2022-11-19 06:44:56,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:44:56,291 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 364 transitions. [2022-11-19 06:44:56,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 3.6842105263157894) internal successors, (140), 39 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:44:56,292 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 364 transitions. [2022-11-19 06:44:56,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-19 06:44:56,292 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:44:56,293 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:44:56,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-19 06:44:56,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2022-11-19 06:44:56,500 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr84REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:44:56,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:44:56,500 INFO L85 PathProgramCache]: Analyzing trace with hash 689402232, now seen corresponding path program 1 times [2022-11-19 06:44:56,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:44:56,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103973994] [2022-11-19 06:44:56,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:44:56,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:44:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:44:56,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:44:56,773 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:44:56,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103973994] [2022-11-19 06:44:56,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103973994] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:44:56,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:44:56,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-19 06:44:56,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697005464] [2022-11-19 06:44:56,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:44:56,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 06:44:56,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:44:56,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 06:44:56,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-19 06:44:56,774 INFO L87 Difference]: Start difference. First operand 331 states and 364 transitions. Second operand has 11 states, 10 states have (on average 5.2) internal successors, (52), 11 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:44:57,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:44:57,676 INFO L93 Difference]: Finished difference Result 474 states and 517 transitions. [2022-11-19 06:44:57,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-19 06:44:57,677 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.2) internal successors, (52), 11 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-11-19 06:44:57,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:44:57,679 INFO L225 Difference]: With dead ends: 474 [2022-11-19 06:44:57,679 INFO L226 Difference]: Without dead ends: 474 [2022-11-19 06:44:57,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=180, Invalid=470, Unknown=0, NotChecked=0, Total=650 [2022-11-19 06:44:57,679 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 1019 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1021 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:44:57,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1021 Valid, 929 Invalid, 803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 06:44:57,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2022-11-19 06:44:57,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 339. [2022-11-19 06:44:57,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 252 states have (on average 1.4404761904761905) internal successors, (363), 336 states have internal predecessors, (363), 9 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:44:57,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 374 transitions. [2022-11-19 06:44:57,685 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 374 transitions. Word has length 52 [2022-11-19 06:44:57,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:44:57,685 INFO L495 AbstractCegarLoop]: Abstraction has 339 states and 374 transitions. [2022-11-19 06:44:57,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.2) internal successors, (52), 11 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:44:57,685 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 374 transitions. [2022-11-19 06:44:57,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-19 06:44:57,686 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:44:57,686 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:44:57,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-11-19 06:44:57,687 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr85REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:44:57,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:44:57,687 INFO L85 PathProgramCache]: Analyzing trace with hash 689402233, now seen corresponding path program 1 times [2022-11-19 06:44:57,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:44:57,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823638108] [2022-11-19 06:44:57,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:44:57,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:44:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:44:57,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:44:57,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:44:57,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823638108] [2022-11-19 06:44:57,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823638108] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:44:57,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:44:57,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 06:44:57,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095148680] [2022-11-19 06:44:57,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:44:57,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 06:44:57,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:44:57,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 06:44:57,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:44:57,984 INFO L87 Difference]: Start difference. First operand 339 states and 374 transitions. Second operand has 9 states, 8 states have (on average 6.5) internal successors, (52), 9 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:44:58,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:44:58,448 INFO L93 Difference]: Finished difference Result 379 states and 408 transitions. [2022-11-19 06:44:58,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 06:44:58,448 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.5) internal successors, (52), 9 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-11-19 06:44:58,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:44:58,450 INFO L225 Difference]: With dead ends: 379 [2022-11-19 06:44:58,450 INFO L226 Difference]: Without dead ends: 379 [2022-11-19 06:44:58,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-19 06:44:58,451 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 731 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:44:58,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [733 Valid, 685 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:44:58,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2022-11-19 06:44:58,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 340. [2022-11-19 06:44:58,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 253 states have (on average 1.434782608695652) internal successors, (363), 337 states have internal predecessors, (363), 9 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:44:58,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 374 transitions. [2022-11-19 06:44:58,456 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 374 transitions. Word has length 52 [2022-11-19 06:44:58,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:44:58,456 INFO L495 AbstractCegarLoop]: Abstraction has 340 states and 374 transitions. [2022-11-19 06:44:58,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.5) internal successors, (52), 9 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:44:58,457 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 374 transitions. [2022-11-19 06:44:58,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-19 06:44:58,457 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:44:58,457 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:44:58,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-11-19 06:44:58,458 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:44:58,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:44:58,458 INFO L85 PathProgramCache]: Analyzing trace with hash 689404850, now seen corresponding path program 1 times [2022-11-19 06:44:58,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:44:58,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542766151] [2022-11-19 06:44:58,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:44:58,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:44:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:44:58,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:44:58,617 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:44:58,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542766151] [2022-11-19 06:44:58,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542766151] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:44:58,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:44:58,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-19 06:44:58,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572296585] [2022-11-19 06:44:58,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:44:58,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 06:44:58,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:44:58,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 06:44:58,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-19 06:44:58,618 INFO L87 Difference]: Start difference. First operand 340 states and 374 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:44:58,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:44:58,919 INFO L93 Difference]: Finished difference Result 386 states and 415 transitions. [2022-11-19 06:44:58,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 06:44:58,919 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-11-19 06:44:58,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:44:58,921 INFO L225 Difference]: With dead ends: 386 [2022-11-19 06:44:58,921 INFO L226 Difference]: Without dead ends: 386 [2022-11-19 06:44:58,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-11-19 06:44:58,921 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 686 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:44:58,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [688 Valid, 620 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 06:44:58,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2022-11-19 06:44:58,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 342. [2022-11-19 06:44:58,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 255 states have (on average 1.427450980392157) internal successors, (364), 339 states have internal predecessors, (364), 9 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:44:58,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 375 transitions. [2022-11-19 06:44:58,927 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 375 transitions. Word has length 52 [2022-11-19 06:44:58,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:44:58,927 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 375 transitions. [2022-11-19 06:44:58,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:44:58,927 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 375 transitions. [2022-11-19 06:44:58,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-19 06:44:58,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:44:58,928 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:44:58,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-11-19 06:44:58,929 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:44:58,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:44:58,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1079650774, now seen corresponding path program 1 times [2022-11-19 06:44:58,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:44:58,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751115881] [2022-11-19 06:44:58,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:44:58,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:44:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:01,059 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:45:01,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:45:01,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751115881] [2022-11-19 06:45:01,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751115881] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:45:01,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938107799] [2022-11-19 06:45:01,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:01,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:45:01,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:45:01,061 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:45:01,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-19 06:45:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:01,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 109 conjunts are in the unsatisfiable core [2022-11-19 06:45:01,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:45:01,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 06:45:01,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:45:01,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:45:01,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:01,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:45:01,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:01,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:45:01,376 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:45:01,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:45:01,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:45:01,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 06:45:01,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:01,493 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-19 06:45:01,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 54 [2022-11-19 06:45:01,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:01,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 48 [2022-11-19 06:45:01,628 INFO L321 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2022-11-19 06:45:01,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 41 [2022-11-19 06:45:01,719 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-19 06:45:01,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 62 [2022-11-19 06:45:01,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 45 [2022-11-19 06:45:01,775 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-19 06:45:01,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 62 [2022-11-19 06:45:01,795 INFO L321 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-11-19 06:45:01,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2022-11-19 06:45:01,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 45 [2022-11-19 06:45:01,891 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-19 06:45:01,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 55 [2022-11-19 06:45:01,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 45 [2022-11-19 06:45:01,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:01,922 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-19 06:45:01,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 53 [2022-11-19 06:45:01,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 66 [2022-11-19 06:45:03,405 INFO L321 Elim1Store]: treesize reduction 149, result has 28.4 percent of original size [2022-11-19 06:45:03,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 20 case distinctions, treesize of input 170 treesize of output 143 [2022-11-19 06:45:03,436 INFO L321 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2022-11-19 06:45:03,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 8 case distinctions, treesize of input 100 treesize of output 67 [2022-11-19 06:45:03,443 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:45:03,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:45:04,238 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:45:04,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 120 treesize of output 110 [2022-11-19 06:45:04,247 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:45:04,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 100 treesize of output 90 [2022-11-19 06:45:25,783 INFO L321 Elim1Store]: treesize reduction 125, result has 31.7 percent of original size [2022-11-19 06:45:25,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 220 treesize of output 195 [2022-11-19 06:45:25,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:25,956 INFO L321 Elim1Store]: treesize reduction 109, result has 40.4 percent of original size [2022-11-19 06:45:25,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 179 treesize of output 129 [2022-11-19 06:45:25,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:25,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:26,099 INFO L321 Elim1Store]: treesize reduction 35, result has 55.1 percent of original size [2022-11-19 06:45:26,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 157 treesize of output 169 [2022-11-19 06:45:26,142 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:45:26,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 129 treesize of output 131 [2022-11-19 06:45:26,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 58 [2022-11-19 06:45:26,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:26,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:26,353 INFO L321 Elim1Store]: treesize reduction 49, result has 53.8 percent of original size [2022-11-19 06:45:26,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 343 treesize of output 277 [2022-11-19 06:45:26,399 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:45:26,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 118 treesize of output 120 [2022-11-19 06:45:26,482 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:45:26,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 407 treesize of output 379 [2022-11-19 06:45:31,276 INFO L321 Elim1Store]: treesize reduction 132, result has 27.9 percent of original size [2022-11-19 06:45:31,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 220 treesize of output 147 [2022-11-19 06:45:31,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:31,447 INFO L321 Elim1Store]: treesize reduction 137, result has 25.1 percent of original size [2022-11-19 06:45:31,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 138 treesize of output 101 [2022-11-19 06:45:31,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:31,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:31,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:31,567 INFO L321 Elim1Store]: treesize reduction 61, result has 42.5 percent of original size [2022-11-19 06:45:31,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 462 treesize of output 412 [2022-11-19 06:45:31,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:31,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:31,644 INFO L321 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2022-11-19 06:45:31,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 310 treesize of output 219 [2022-11-19 06:45:31,675 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:45:31,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 176 treesize of output 178 [2022-11-19 06:45:31,739 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:45:31,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 299 treesize of output 311 [2022-11-19 06:45:31,786 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:45:31,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 222 treesize of output 190 [2022-11-19 06:45:31,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 46 [2022-11-19 06:45:38,891 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:45:38,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938107799] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:45:38,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1438986961] [2022-11-19 06:45:38,895 INFO L159 IcfgInterpreter]: Started Sifa with 28 locations of interest [2022-11-19 06:45:38,895 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:45:38,896 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:45:38,896 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:45:38,896 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:45:38,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:38,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:38,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 06:45:38,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:38,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-19 06:45:38,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:45:38,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:45:39,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:45:39,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-19 06:45:39,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:45:39,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:45:39,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:45:39,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:45:39,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-19 06:45:39,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:45:39,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:45:39,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 38 [2022-11-19 06:45:39,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 47 [2022-11-19 06:45:39,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,294 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-19 06:45:39,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 143 treesize of output 111 [2022-11-19 06:45:39,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-19 06:45:39,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-11-19 06:45:39,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:39,423 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-11-19 06:45:39,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 179 treesize of output 131 [2022-11-19 06:45:39,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 60 [2022-11-19 06:45:39,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-19 06:45:39,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-19 06:45:39,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,655 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-19 06:45:39,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 171 treesize of output 138 [2022-11-19 06:45:39,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2022-11-19 06:45:39,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 57 [2022-11-19 06:45:39,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:39,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:39,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:39,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:39,829 INFO L321 Elim1Store]: treesize reduction 67, result has 11.8 percent of original size [2022-11-19 06:45:39,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 494 treesize of output 456 [2022-11-19 06:45:39,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:39,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:39,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:39,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:39,891 INFO L321 Elim1Store]: treesize reduction 133, result has 10.1 percent of original size [2022-11-19 06:45:39,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 638 treesize of output 641 [2022-11-19 06:45:39,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:39,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:39,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:39,976 INFO L321 Elim1Store]: treesize reduction 98, result has 35.1 percent of original size [2022-11-19 06:45:39,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 752 treesize of output 719 [2022-11-19 06:45:40,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:40,371 INFO L321 Elim1Store]: treesize reduction 338, result has 16.7 percent of original size [2022-11-19 06:45:40,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 19 case distinctions, treesize of input 1450 treesize of output 1415 [2022-11-19 06:45:41,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:41,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:41,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:41,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:41,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:41,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:41,145 INFO L321 Elim1Store]: treesize reduction 122, result has 24.2 percent of original size [2022-11-19 06:45:41,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 3298 treesize of output 1821 [2022-11-19 06:45:41,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:41,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:41,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:41,385 INFO L321 Elim1Store]: treesize reduction 336, result has 14.3 percent of original size [2022-11-19 06:45:41,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 19 case distinctions, treesize of input 3279 treesize of output 2682 [2022-11-19 06:45:41,477 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-19 06:45:41,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 3142 treesize of output 2903 [2022-11-19 06:45:42,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:42,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:42,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:42,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:42,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:42,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:42,980 INFO L321 Elim1Store]: treesize reduction 142, result has 15.0 percent of original size [2022-11-19 06:45:42,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 22 case distinctions, treesize of input 7525 treesize of output 4044 [2022-11-19 06:45:43,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:43,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:43,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:43,193 INFO L321 Elim1Store]: treesize reduction 100, result has 35.5 percent of original size [2022-11-19 06:45:43,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 7512 treesize of output 6984 [2022-11-19 06:45:43,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:43,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:43,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:43,433 INFO L321 Elim1Store]: treesize reduction 388, result has 8.5 percent of original size [2022-11-19 06:45:43,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 23 case distinctions, treesize of input 7426 treesize of output 6029 [2022-11-19 06:45:43,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:43,828 INFO L321 Elim1Store]: treesize reduction 458, result has 14.4 percent of original size [2022-11-19 06:45:43,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 7364 treesize of output 6954 [2022-11-19 06:45:50,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:50,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:50,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:50,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:50,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:50,710 INFO L321 Elim1Store]: treesize reduction 170, result has 21.3 percent of original size [2022-11-19 06:45:50,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 28703 treesize of output 15295 [2022-11-19 06:45:51,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:51,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:51,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:51,273 INFO L321 Elim1Store]: treesize reduction 400, result has 12.3 percent of original size [2022-11-19 06:45:51,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 28384 treesize of output 23092 [2022-11-19 06:45:51,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:51,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:51,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:45:51,725 INFO L321 Elim1Store]: treesize reduction 85, result has 7.6 percent of original size [2022-11-19 06:45:51,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 28140 treesize of output 26378 [2022-11-19 06:45:58,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:45:58,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:45:58,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:45:58,435 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 06:45:58,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-19 06:45:58,479 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:45:58,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:45:58,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 06:45:58,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:45:58,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:45:58,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:58,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:45:58,598 INFO L321 Elim1Store]: treesize reduction 24, result has 38.5 percent of original size [2022-11-19 06:45:58,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 33 [2022-11-19 06:45:58,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:45:58,678 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:45:58,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:45:58,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:58,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2022-11-19 06:45:58,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:45:58,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-11-19 06:45:58,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:45:58,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:45:58,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:45:58,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:45:59,602 INFO L321 Elim1Store]: treesize reduction 46, result has 37.8 percent of original size [2022-11-19 06:45:59,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 125 treesize of output 145 [2022-11-19 06:45:59,741 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:45:59,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:45:59,785 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-11-19 06:45:59,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 1 [2022-11-19 06:45:59,939 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-19 06:45:59,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 355 treesize of output 326 [2022-11-19 06:46:00,005 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-19 06:46:00,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 335 treesize of output 344 [2022-11-19 06:46:00,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:46:00,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:00,340 INFO L321 Elim1Store]: treesize reduction 70, result has 28.6 percent of original size [2022-11-19 06:46:00,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 493 treesize of output 500 [2022-11-19 06:46:00,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:00,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:00,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 468 treesize of output 442 [2022-11-19 06:46:00,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:00,457 INFO L321 Elim1Store]: treesize reduction 39, result has 30.4 percent of original size [2022-11-19 06:46:00,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 481 treesize of output 476 [2022-11-19 06:46:00,884 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:46:00,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:46:00,929 INFO L321 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2022-11-19 06:46:00,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:46:00,997 INFO L321 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2022-11-19 06:46:00,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:46:01,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:01,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:46:01,057 INFO L197 IcfgInterpreter]: Interpreting procedure fail with input of size 10 for LOIs [2022-11-19 06:46:01,059 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:46:08,198 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '41076#(and (<= 0 |#NULL.base|) (<= |#NULL.offset| 0) (<= |#NULL.base| 0) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|))' at error location [2022-11-19 06:46:08,198 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 06:46:08,198 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 06:46:08,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 17, 19] total 46 [2022-11-19 06:46:08,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117891262] [2022-11-19 06:46:08,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 06:46:08,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-11-19 06:46:08,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:08,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-11-19 06:46:08,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=3700, Unknown=12, NotChecked=0, Total=4032 [2022-11-19 06:46:08,200 INFO L87 Difference]: Start difference. First operand 342 states and 375 transitions. Second operand has 46 states, 46 states have (on average 2.782608695652174) internal successors, (128), 46 states have internal predecessors, (128), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:46:26,732 WARN L233 SmtUtils]: Spent 11.77s on a formula simplification. DAG size of input: 190 DAG size of output: 122 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:46:40,061 WARN L233 SmtUtils]: Spent 12.88s on a formula simplification. DAG size of input: 205 DAG size of output: 124 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:46:57,245 WARN L233 SmtUtils]: Spent 16.72s on a formula simplification. DAG size of input: 200 DAG size of output: 126 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:47:18,808 WARN L233 SmtUtils]: Spent 21.38s on a formula simplification. DAG size of input: 206 DAG size of output: 130 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:47:37,218 WARN L233 SmtUtils]: Spent 18.08s on a formula simplification. DAG size of input: 193 DAG size of output: 125 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:47:45,988 WARN L233 SmtUtils]: Spent 6.10s on a formula simplification. DAG size of input: 162 DAG size of output: 105 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:47:56,732 WARN L233 SmtUtils]: Spent 9.92s on a formula simplification. DAG size of input: 142 DAG size of output: 139 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:48:03,960 WARN L233 SmtUtils]: Spent 5.87s on a formula simplification. DAG size of input: 165 DAG size of output: 108 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:48:04,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:48:04,197 INFO L93 Difference]: Finished difference Result 441 states and 481 transitions. [2022-11-19 06:48:04,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-19 06:48:04,197 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 2.782608695652174) internal successors, (128), 46 states have internal predecessors, (128), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-11-19 06:48:04,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:48:04,199 INFO L225 Difference]: With dead ends: 441 [2022-11-19 06:48:04,199 INFO L226 Difference]: Without dead ends: 441 [2022-11-19 06:48:04,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 119 SyntacticMatches, 6 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1862 ImplicationChecksByTransitivity, 146.1s TimeCoverageRelationStatistics Valid=826, Invalid=5967, Unknown=13, NotChecked=0, Total=6806 [2022-11-19 06:48:04,200 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 1397 mSDsluCounter, 4122 mSDsCounter, 0 mSdLazyCounter, 1494 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1397 SdHoareTripleChecker+Valid, 4338 SdHoareTripleChecker+Invalid, 2594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1061 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:48:04,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1397 Valid, 4338 Invalid, 2594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1494 Invalid, 0 Unknown, 1061 Unchecked, 3.3s Time] [2022-11-19 06:48:04,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2022-11-19 06:48:04,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 343. [2022-11-19 06:48:04,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 256 states have (on average 1.42578125) internal successors, (365), 340 states have internal predecessors, (365), 9 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:48:04,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 376 transitions. [2022-11-19 06:48:04,208 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 376 transitions. Word has length 54 [2022-11-19 06:48:04,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:48:04,208 INFO L495 AbstractCegarLoop]: Abstraction has 343 states and 376 transitions. [2022-11-19 06:48:04,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 2.782608695652174) internal successors, (128), 46 states have internal predecessors, (128), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:48:04,208 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 376 transitions. [2022-11-19 06:48:04,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-19 06:48:04,209 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:48:04,209 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:48:04,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-19 06:48:04,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2022-11-19 06:48:04,417 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:48:04,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:48:04,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1090668642, now seen corresponding path program 1 times [2022-11-19 06:48:04,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:48:04,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420719409] [2022-11-19 06:48:04,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:48:04,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:48:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:48:04,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:48:04,719 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:48:04,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420719409] [2022-11-19 06:48:04,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420719409] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:48:04,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:48:04,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 06:48:04,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116130075] [2022-11-19 06:48:04,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:48:04,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 06:48:04,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:48:04,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 06:48:04,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-19 06:48:04,721 INFO L87 Difference]: Start difference. First operand 343 states and 376 transitions. Second operand has 7 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:48:05,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:48:05,797 INFO L93 Difference]: Finished difference Result 383 states and 412 transitions. [2022-11-19 06:48:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 06:48:05,798 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-11-19 06:48:05,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:48:05,800 INFO L225 Difference]: With dead ends: 383 [2022-11-19 06:48:05,800 INFO L226 Difference]: Without dead ends: 383 [2022-11-19 06:48:05,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2022-11-19 06:48:05,801 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 664 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 666 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-19 06:48:05,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [666 Valid, 569 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-19 06:48:05,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2022-11-19 06:48:05,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 346. [2022-11-19 06:48:05,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 259 states have (on average 1.4324324324324325) internal successors, (371), 343 states have internal predecessors, (371), 9 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:48:05,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 382 transitions. [2022-11-19 06:48:05,808 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 382 transitions. Word has length 54 [2022-11-19 06:48:05,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:48:05,808 INFO L495 AbstractCegarLoop]: Abstraction has 346 states and 382 transitions. [2022-11-19 06:48:05,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:48:05,809 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 382 transitions. [2022-11-19 06:48:05,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-19 06:48:05,810 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:48:05,810 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-19 06:48:05,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-11-19 06:48:05,810 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:48:05,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:48:05,811 INFO L85 PathProgramCache]: Analyzing trace with hash -890821639, now seen corresponding path program 3 times [2022-11-19 06:48:05,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:48:05,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864376273] [2022-11-19 06:48:05,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:48:05,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:48:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:48:08,029 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:48:08,029 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:48:08,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864376273] [2022-11-19 06:48:08,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864376273] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:48:08,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096355894] [2022-11-19 06:48:08,030 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-19 06:48:08,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:48:08,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:48:08,031 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:48:08,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-19 06:48:08,446 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-19 06:48:08,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 06:48:08,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 105 conjunts are in the unsatisfiable core [2022-11-19 06:48:08,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:48:08,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 06:48:08,504 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 06:48:08,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-19 06:48:08,558 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 06:48:08,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-19 06:48:08,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:48:08,690 INFO L321 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2022-11-19 06:48:08,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 26 [2022-11-19 06:48:08,833 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 06:48:08,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-11-19 06:48:08,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-19 06:48:09,152 INFO L321 Elim1Store]: treesize reduction 86, result has 35.8 percent of original size [2022-11-19 06:48:09,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 35 treesize of output 69 [2022-11-19 06:48:09,206 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 06:48:09,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 38 [2022-11-19 06:48:09,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2022-11-19 06:48:09,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:48:09,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:09,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 47 [2022-11-19 06:48:09,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:09,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:48:13,659 INFO L321 Elim1Store]: treesize reduction 40, result has 83.7 percent of original size [2022-11-19 06:48:13,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 216 treesize of output 366 [2022-11-19 06:48:29,480 INFO L321 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-11-19 06:48:29,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 86 treesize of output 44 [2022-11-19 06:48:29,686 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:48:29,686 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:48:32,746 INFO L321 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2022-11-19 06:48:32,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 370 treesize of output 361 [2022-11-19 06:48:38,462 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:48:38,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 70 [2022-11-19 06:48:38,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:38,491 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:48:38,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 124 [2022-11-19 06:48:38,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:38,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 51 [2022-11-19 06:48:38,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 52 [2022-11-19 06:48:38,564 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:38,564 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:38,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 78 [2022-11-19 06:48:38,693 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:48:38,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 70 [2022-11-19 06:48:38,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:38,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:38,720 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:48:38,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 68 [2022-11-19 06:48:38,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:38,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-11-19 06:48:44,147 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 10 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:48:44,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096355894] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:48:44,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1472714556] [2022-11-19 06:48:44,149 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-11-19 06:48:44,149 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:48:44,149 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:48:44,149 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:48:44,149 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:48:44,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 06:48:44,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:48:44,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-19 06:48:44,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:48:44,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:48:44,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-19 06:48:44,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:48:44,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:48:44,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-19 06:48:44,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:48:44,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:48:44,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 38 [2022-11-19 06:48:44,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:48:44,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:48:44,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 56 [2022-11-19 06:48:44,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,573 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-19 06:48:44,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 178 treesize of output 142 [2022-11-19 06:48:44,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 46 [2022-11-19 06:48:44,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 97 [2022-11-19 06:48:44,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:44,715 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-11-19 06:48:44,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 179 treesize of output 131 [2022-11-19 06:48:44,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-19 06:48:44,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 60 [2022-11-19 06:48:44,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-19 06:48:44,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:44,978 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-19 06:48:44,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 171 treesize of output 138 [2022-11-19 06:48:45,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:45,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:45,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:45,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:45,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:45,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:45,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:45,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2022-11-19 06:48:45,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:45,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:45,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:45,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:45,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:45,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:45,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 57 [2022-11-19 06:48:45,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:45,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:45,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:45,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:45,233 INFO L321 Elim1Store]: treesize reduction 62, result has 31.9 percent of original size [2022-11-19 06:48:45,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 500 treesize of output 467 [2022-11-19 06:48:45,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:45,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:45,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:45,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:45,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:45,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:45,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:45,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:45,302 INFO L321 Elim1Store]: treesize reduction 67, result has 11.8 percent of original size [2022-11-19 06:48:45,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 497 treesize of output 459 [2022-11-19 06:48:45,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:45,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:45,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:45,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:45,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:45,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:45,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:45,382 INFO L321 Elim1Store]: treesize reduction 133, result has 10.1 percent of original size [2022-11-19 06:48:45,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 604 treesize of output 607 [2022-11-19 06:48:45,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:45,885 INFO L321 Elim1Store]: treesize reduction 338, result has 16.7 percent of original size [2022-11-19 06:48:45,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 19 case distinctions, treesize of input 1426 treesize of output 1403 [2022-11-19 06:48:46,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:46,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:46,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:46,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:46,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:46,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:46,540 INFO L321 Elim1Store]: treesize reduction 214, result has 16.7 percent of original size [2022-11-19 06:48:46,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 1808 treesize of output 1047 [2022-11-19 06:48:46,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:46,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:46,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:46,804 INFO L321 Elim1Store]: treesize reduction 370, result has 13.1 percent of original size [2022-11-19 06:48:46,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1829 treesize of output 1479 [2022-11-19 06:48:46,938 INFO L321 Elim1Store]: treesize reduction 158, result has 13.7 percent of original size [2022-11-19 06:48:46,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1732 treesize of output 1587 [2022-11-19 06:48:47,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:47,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:47,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:47,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:47,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:47,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:47,991 INFO L321 Elim1Store]: treesize reduction 268, result has 11.8 percent of original size [2022-11-19 06:48:47,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 23 case distinctions, treesize of input 4305 treesize of output 2444 [2022-11-19 06:48:48,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:48,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:48,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:48,271 INFO L321 Elim1Store]: treesize reduction 464, result has 9.2 percent of original size [2022-11-19 06:48:48,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 24 case distinctions, treesize of input 4323 treesize of output 3409 [2022-11-19 06:48:48,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:48,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:48,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:48,484 INFO L321 Elim1Store]: treesize reduction 174, result has 26.0 percent of original size [2022-11-19 06:48:48,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 4292 treesize of output 3922 [2022-11-19 06:48:48,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:48,896 INFO L321 Elim1Store]: treesize reduction 458, result has 14.4 percent of original size [2022-11-19 06:48:48,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 4224 treesize of output 4042 [2022-11-19 06:48:50,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:50,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:50,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:50,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:50,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:50,931 INFO L321 Elim1Store]: treesize reduction 270, result has 15.6 percent of original size [2022-11-19 06:48:50,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 8536 treesize of output 4758 [2022-11-19 06:48:51,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:51,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:51,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:51,285 INFO L321 Elim1Store]: treesize reduction 438, result has 11.3 percent of original size [2022-11-19 06:48:51,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 25 case distinctions, treesize of input 8537 treesize of output 6748 [2022-11-19 06:48:51,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:51,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:51,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:51,519 INFO L321 Elim1Store]: treesize reduction 202, result has 11.0 percent of original size [2022-11-19 06:48:51,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 8373 treesize of output 7681 [2022-11-19 06:48:53,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:48:53,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:48:53,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:48:53,400 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 06:48:53,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-19 06:48:53,449 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:48:53,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:48:53,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:48:53,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:48:53,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 06:48:53,569 INFO L321 Elim1Store]: treesize reduction 24, result has 38.5 percent of original size [2022-11-19 06:48:53,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 33 [2022-11-19 06:48:53,654 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:48:53,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:48:53,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:53,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2022-11-19 06:48:53,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:48:53,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:53,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:48:53,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:48:53,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-11-19 06:48:53,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:48:53,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:48:53,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:48:53,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:48:54,598 INFO L321 Elim1Store]: treesize reduction 46, result has 37.8 percent of original size [2022-11-19 06:48:54,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 125 treesize of output 145 [2022-11-19 06:48:54,745 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:48:54,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:48:54,813 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:48:54,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:48:54,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:48:55,022 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-19 06:48:55,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 418 treesize of output 421 [2022-11-19 06:48:55,071 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-19 06:48:55,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 410 treesize of output 381 [2022-11-19 06:48:55,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:55,503 INFO L321 Elim1Store]: treesize reduction 70, result has 28.6 percent of original size [2022-11-19 06:48:55,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 812 treesize of output 809 [2022-11-19 06:48:55,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:55,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:55,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 777 treesize of output 727 [2022-11-19 06:48:55,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:55,636 INFO L321 Elim1Store]: treesize reduction 39, result has 30.4 percent of original size [2022-11-19 06:48:55,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 790 treesize of output 773 [2022-11-19 06:48:56,484 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:48:56,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:48:56,627 INFO L321 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2022-11-19 06:48:56,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:48:56,738 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-11-19 06:48:56,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:48:56,799 INFO L321 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2022-11-19 06:48:56,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:48:56,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:56,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:48:56,933 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:49:04,442 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '43046#(and (<= 0 |#NULL.base|) (not (= (select |#valid| |ULTIMATE.start_inspect_before_~shape#1.base|) 1)) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= 0 |ULTIMATE.start_main_~node~1#1.offset|) (<= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_inspect_before_#in~shape#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~data~0#1.offset|) (<= |#NULL.base| 0) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_main_~data~0#1.offset| 0) (<= |ULTIMATE.start_inspect_before_#in~shape#1.offset| 0) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~node~1#1.offset| 0))' at error location [2022-11-19 06:49:04,442 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 06:49:04,443 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 06:49:04,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 21] total 52 [2022-11-19 06:49:04,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298354945] [2022-11-19 06:49:04,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 06:49:04,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-11-19 06:49:04,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:49:04,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-11-19 06:49:04,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=404, Invalid=4563, Unknown=3, NotChecked=0, Total=4970 [2022-11-19 06:49:04,445 INFO L87 Difference]: Start difference. First operand 346 states and 382 transitions. Second operand has 53 states, 52 states have (on average 2.8076923076923075) internal successors, (146), 53 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:49:21,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:49:21,734 INFO L93 Difference]: Finished difference Result 646 states and 704 transitions. [2022-11-19 06:49:21,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-19 06:49:21,735 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 52 states have (on average 2.8076923076923075) internal successors, (146), 53 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-11-19 06:49:21,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:49:21,738 INFO L225 Difference]: With dead ends: 646 [2022-11-19 06:49:21,739 INFO L226 Difference]: Without dead ends: 646 [2022-11-19 06:49:21,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 128 SyntacticMatches, 9 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3519 ImplicationChecksByTransitivity, 36.3s TimeCoverageRelationStatistics Valid=1400, Invalid=9727, Unknown=3, NotChecked=0, Total=11130 [2022-11-19 06:49:21,740 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 2410 mSDsluCounter, 3315 mSDsCounter, 0 mSdLazyCounter, 2846 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2412 SdHoareTripleChecker+Valid, 3529 SdHoareTripleChecker+Invalid, 4035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 2846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1096 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:49:21,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2412 Valid, 3529 Invalid, 4035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 2846 Invalid, 0 Unknown, 1096 Unchecked, 6.6s Time] [2022-11-19 06:49:21,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2022-11-19 06:49:21,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 349. [2022-11-19 06:49:21,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 262 states have (on average 1.4312977099236641) internal successors, (375), 346 states have internal predecessors, (375), 9 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:49:21,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 386 transitions. [2022-11-19 06:49:21,747 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 386 transitions. Word has length 55 [2022-11-19 06:49:21,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:49:21,748 INFO L495 AbstractCegarLoop]: Abstraction has 349 states and 386 transitions. [2022-11-19 06:49:21,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 52 states have (on average 2.8076923076923075) internal successors, (146), 53 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:49:21,748 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 386 transitions. [2022-11-19 06:49:21,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-19 06:49:21,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:49:21,749 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-19 06:49:21,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-19 06:49:21,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:49:21,957 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, merge_single_nodeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, merge_single_nodeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-19 06:49:21,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:49:21,958 INFO L85 PathProgramCache]: Analyzing trace with hash -890821638, now seen corresponding path program 2 times [2022-11-19 06:49:21,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:49:21,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695162800] [2022-11-19 06:49:21,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:49:21,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:49:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:49:26,402 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:49:26,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:49:26,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695162800] [2022-11-19 06:49:26,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695162800] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:49:26,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925739010] [2022-11-19 06:49:26,402 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-19 06:49:26,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:49:26,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:49:26,403 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:49:26,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0424d05c-4b56-4964-a528-d50d13f5be26/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-19 06:49:26,738 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-19 06:49:26,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 06:49:26,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 99 conjunts are in the unsatisfiable core [2022-11-19 06:49:26,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:49:26,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 06:49:27,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:27,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:49:27,044 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:49:27,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:49:27,108 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 06:49:27,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-19 06:49:27,155 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 06:49:27,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-19 06:49:27,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:49:27,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:49:27,722 INFO L321 Elim1Store]: treesize reduction 68, result has 31.3 percent of original size [2022-11-19 06:49:27,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 28 treesize of output 45 [2022-11-19 06:49:27,761 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-19 06:49:27,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 38 [2022-11-19 06:49:27,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 45 [2022-11-19 06:49:28,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-19 06:49:28,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 45 [2022-11-19 06:49:28,104 INFO L321 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-11-19 06:49:28,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 31 [2022-11-19 06:49:28,138 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-19 06:49:28,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 38 [2022-11-19 06:49:28,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-19 06:49:28,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-19 06:49:28,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 34 [2022-11-19 06:49:28,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:28,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 49 [2022-11-19 06:49:28,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:28,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2022-11-19 06:49:32,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:32,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:49:32,999 INFO L321 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2022-11-19 06:49:32,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 131 treesize of output 71 [2022-11-19 06:49:33,027 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-19 06:49:33,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 25 [2022-11-19 06:49:33,239 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:49:33,240 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:49:35,640 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:49:35,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 44 [2022-11-19 06:49:35,664 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:49:35,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 23 [2022-11-19 06:49:37,379 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:49:37,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 28 [2022-11-19 06:49:37,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 66 [2022-11-19 06:49:37,421 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:49:37,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 66 [2022-11-19 06:49:37,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2022-11-19 06:49:37,804 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:49:37,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 69 [2022-11-19 06:49:37,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:49:37,837 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-19 06:49:37,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 214 treesize of output 206 [2022-11-19 06:49:37,855 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:49:37,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 198 treesize of output 168 [2022-11-19 06:49:37,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 552 treesize of output 522 [2022-11-19 06:49:37,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 268 treesize of output 248 [2022-11-19 06:49:37,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:49:37,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 662 treesize of output 630 [2022-11-19 06:49:37,953 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:49:37,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 636 treesize of output 594 [2022-11-19 06:49:37,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 582 treesize of output 558 [2022-11-19 06:49:37,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 286 treesize of output 270 [2022-11-19 06:49:55,238 WARN L233 SmtUtils]: Spent 6.39s on a formula simplification that was a NOOP. DAG size: 59 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:49:55,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4148 treesize of output 4114 [2022-11-19 06:50:03,892 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 10 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:50:03,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925739010] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:50:03,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1442238216] [2022-11-19 06:50:03,894 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-11-19 06:50:03,894 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:50:03,894 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:50:03,894 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:50:03,894 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:50:03,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:03,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:03,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 06:50:03,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:03,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-11-19 06:50:03,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:50:03,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:50:03,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:03,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:50:04,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:50:04,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:50:04,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-19 06:50:04,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:50:04,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-11-19 06:50:04,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:50:04,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:50:04,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 06:50:04,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 38 [2022-11-19 06:50:04,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 47 [2022-11-19 06:50:04,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,330 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-19 06:50:04,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 143 treesize of output 111 [2022-11-19 06:50:04,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-11-19 06:50:04,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-11-19 06:50:04,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:50:04,481 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-11-19 06:50:04,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-11-19 06:50:04,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-11-19 06:50:04,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-19 06:50:04,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-11-19 06:50:04,724 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-11-19 06:50:04,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 169 treesize of output 136 [2022-11-19 06:50:04,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 57 [2022-11-19 06:50:04,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-19 06:50:04,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:50:04,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:50:04,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:50:04,916 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-19 06:50:04,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 490 treesize of output 452 [2022-11-19 06:50:04,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:50:04,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:04,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:50:04,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:05,007 INFO L321 Elim1Store]: treesize reduction 80, result has 33.9 percent of original size [2022-11-19 06:50:05,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 634 treesize of output 601 [2022-11-19 06:50:05,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:05,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:50:05,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:05,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:50:05,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:50:05,079 INFO L321 Elim1Store]: treesize reduction 131, result has 9.0 percent of original size [2022-11-19 06:50:05,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 600 treesize of output 603 [2022-11-19 06:50:05,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:05,582 INFO L321 Elim1Store]: treesize reduction 296, result has 15.9 percent of original size [2022-11-19 06:50:05,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 19 case distinctions, treesize of input 1244 treesize of output 1221 [2022-11-19 06:50:06,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:06,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:06,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:50:06,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:50:06,407 INFO L321 Elim1Store]: treesize reduction 194, result has 16.0 percent of original size [2022-11-19 06:50:06,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 3120 treesize of output 1919 [2022-11-19 06:50:06,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:06,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:06,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:50:06,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:50:06,658 INFO L321 Elim1Store]: treesize reduction 292, result has 17.7 percent of original size [2022-11-19 06:50:06,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 3082 treesize of output 2713 [2022-11-19 06:50:06,802 INFO L321 Elim1Store]: treesize reduction 152, result has 14.1 percent of original size [2022-11-19 06:50:06,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 3012 treesize of output 2701 [2022-11-19 06:50:09,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:09,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:50:09,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:50:09,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:50:09,199 INFO L321 Elim1Store]: treesize reduction 246, result has 10.2 percent of original size [2022-11-19 06:50:09,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 23 case distinctions, treesize of input 11185 treesize of output 6644 [2022-11-19 06:50:09,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:09,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:50:09,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:50:09,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:50:09,501 INFO L321 Elim1Store]: treesize reduction 340, result has 9.1 percent of original size [2022-11-19 06:50:09,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 23 case distinctions, treesize of input 11203 treesize of output 9752 [2022-11-19 06:50:09,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:09,995 INFO L321 Elim1Store]: treesize reduction 410, result has 13.7 percent of original size [2022-11-19 06:50:09,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 11184 treesize of output 10518 [2022-11-19 06:50:10,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:10,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:50:10,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:10,312 INFO L321 Elim1Store]: treesize reduction 156, result has 23.9 percent of original size [2022-11-19 06:50:10,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 11076 treesize of output 9902 [2022-11-19 06:50:21,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:21,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:50:21,041 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:50:21,406 INFO L321 Elim1Store]: treesize reduction 250, result has 15.0 percent of original size [2022-11-19 06:50:21,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 36617 treesize of output 21683 [2022-11-19 06:50:21,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:21,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:21,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:50:22,023 INFO L321 Elim1Store]: treesize reduction 190, result has 11.6 percent of original size [2022-11-19 06:50:22,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 36270 treesize of output 32876 [2022-11-19 06:50:22,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:22,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:22,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:50:22,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:50:22,707 INFO L321 Elim1Store]: treesize reduction 348, result has 15.3 percent of original size [2022-11-19 06:50:22,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 23 case distinctions, treesize of input 36271 treesize of output 31751 [2022-11-19 06:50:40,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:50:40,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:50:40,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:50:40,651 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 06:50:40,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-19 06:50:40,705 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:50:40,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:50:40,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 06:50:40,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2022-11-19 06:50:40,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:50:40,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:40,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:50:40,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:40,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 26 [2022-11-19 06:50:40,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:50:40,857 INFO L321 Elim1Store]: treesize reduction 24, result has 38.5 percent of original size [2022-11-19 06:50:40,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 33 [2022-11-19 06:50:40,949 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:50:40,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:50:40,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-11-19 06:50:40,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:50:41,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2022-11-19 06:50:41,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:50:41,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 06:50:41,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:50:42,036 INFO L321 Elim1Store]: treesize reduction 46, result has 37.8 percent of original size [2022-11-19 06:50:42,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 146 treesize of output 166 [2022-11-19 06:50:42,144 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:50:42,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 06:50:42,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:50:42,393 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-19 06:50:42,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 465 treesize of output 436 [2022-11-19 06:50:42,465 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-19 06:50:42,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 445 treesize of output 436 [2022-11-19 06:50:42,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:43,056 INFO L321 Elim1Store]: treesize reduction 70, result has 28.6 percent of original size [2022-11-19 06:50:43,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 1124 treesize of output 1107 [2022-11-19 06:50:43,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:43,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:43,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1075 treesize of output 1013 [2022-11-19 06:50:43,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:43,212 INFO L321 Elim1Store]: treesize reduction 39, result has 30.4 percent of original size [2022-11-19 06:50:43,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 1088 treesize of output 1041 [2022-11-19 06:50:44,997 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:50:44,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 06:50:45,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:45,063 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-11-19 06:50:45,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:50:45,188 INFO L321 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2022-11-19 06:50:45,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:50:45,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:45,243 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-11-19 06:50:45,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:50:45,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2022-11-19 06:50:45,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2022-11-19 06:50:45,492 INFO L321 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2022-11-19 06:50:45,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:50:45,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:45,553 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-11-19 06:50:45,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 1 [2022-11-19 06:50:45,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:50:45,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-19 06:50:45,736 INFO L180 IcfgInterpreter]: Interpretation finished