./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext/dll_extends_pointer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 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_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext/dll_extends_pointer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh --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 b19ed65fc9d9f8e19f4d644b05d37e3da28cb107a90eedb15c652c094a7f23f1 --- 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-2329fc7 [2022-12-14 11:34:40,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:34:40,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:34:40,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:34:40,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:34:40,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:34:40,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:34:40,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:34:40,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:34:40,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:34:40,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:34:40,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:34:40,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:34:40,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:34:40,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:34:40,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:34:40,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:34:40,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:34:40,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:34:40,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:34:40,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:34:40,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:34:40,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:34:40,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:34:40,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:34:40,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:34:40,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:34:40,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:34:40,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:34:40,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:34:40,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:34:40,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:34:40,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:34:40,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:34:40,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:34:40,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:34:40,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:34:40,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:34:40,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:34:40,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:34:40,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:34:40,373 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-12-14 11:34:40,389 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:34:40,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:34:40,390 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:34:40,390 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:34:40,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:34:40,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:34:40,390 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:34:40,391 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:34:40,403 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:34:40,403 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:34:40,403 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:34:40,404 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:34:40,404 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:34:40,404 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:34:40,404 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:34:40,404 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:34:40,404 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:34:40,405 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:34:40,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 11:34:40,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 11:34:40,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:34:40,406 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 11:34:40,406 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 11:34:40,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:34:40,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 11:34:40,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:34:40,407 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 11:34:40,407 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 11:34:40,407 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 11:34:40,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:34:40,408 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 11:34:40,408 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 11:34:40,408 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:34:40,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:34:40,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:34:40,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:34:40,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:34:40,409 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:34:40,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:34:40,409 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:34:40,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:34:40,410 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:34:40,410 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_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b19ed65fc9d9f8e19f4d644b05d37e3da28cb107a90eedb15c652c094a7f23f1 [2022-12-14 11:34:40,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:34:40,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:34:40,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:34:40,597 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:34:40,598 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:34:40,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/memsafety-ext/dll_extends_pointer.i [2022-12-14 11:34:43,088 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:34:43,255 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:34:43,255 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/sv-benchmarks/c/memsafety-ext/dll_extends_pointer.i [2022-12-14 11:34:43,264 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/data/662e43cf8/cf7e9ae4b329467793d889731fe93137/FLAGd0667c6dd [2022-12-14 11:34:43,667 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/data/662e43cf8/cf7e9ae4b329467793d889731fe93137 [2022-12-14 11:34:43,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:34:43,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:34:43,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:34:43,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:34:43,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:34:43,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:34:43" (1/1) ... [2022-12-14 11:34:43,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b8dffcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:34:43, skipping insertion in model container [2022-12-14 11:34:43,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:34:43" (1/1) ... [2022-12-14 11:34:43,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:34:43,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:34:43,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:34:43,898 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:34:43,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:34:43,942 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:34:43,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:34:43 WrapperNode [2022-12-14 11:34:43,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:34:43,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:34:43,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:34:43,944 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:34:43,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:34:43" (1/1) ... [2022-12-14 11:34:43,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:34:43" (1/1) ... [2022-12-14 11:34:43,970 INFO L138 Inliner]: procedures = 123, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2022-12-14 11:34:43,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:34:43,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:34:43,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:34:43,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:34:43,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:34:43" (1/1) ... [2022-12-14 11:34:43,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:34:43" (1/1) ... [2022-12-14 11:34:43,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:34:43" (1/1) ... [2022-12-14 11:34:43,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:34:43" (1/1) ... [2022-12-14 11:34:43,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:34:43" (1/1) ... [2022-12-14 11:34:43,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:34:43" (1/1) ... [2022-12-14 11:34:43,988 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:34:43" (1/1) ... [2022-12-14 11:34:43,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:34:43" (1/1) ... [2022-12-14 11:34:43,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:34:43,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:34:43,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:34:43,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:34:43,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:34:43" (1/1) ... [2022-12-14 11:34:43,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:34:44,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:34:44,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:34:44,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:34:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 11:34:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:34:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 11:34:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 11:34:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 11:34:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 11:34:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:34:44,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:34:44,146 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:34:44,154 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:34:44,318 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:34:44,344 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:34:44,344 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 11:34:44,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:34:44 BoogieIcfgContainer [2022-12-14 11:34:44,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:34:44,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:34:44,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:34:44,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:34:44,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:34:43" (1/3) ... [2022-12-14 11:34:44,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@956a4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:34:44, skipping insertion in model container [2022-12-14 11:34:44,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:34:43" (2/3) ... [2022-12-14 11:34:44,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@956a4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:34:44, skipping insertion in model container [2022-12-14 11:34:44,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:34:44" (3/3) ... [2022-12-14 11:34:44,352 INFO L112 eAbstractionObserver]: Analyzing ICFG dll_extends_pointer.i [2022-12-14 11:34:44,365 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:34:44,366 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2022-12-14 11:34:44,396 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 11:34:44,401 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;@4d6881d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 11:34:44,401 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-12-14 11:34:44,404 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 24 states have (on average 2.3333333333333335) internal successors, (56), 51 states have internal predecessors, (56), 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) [2022-12-14 11:34:44,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 11:34:44,408 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:34:44,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-12-14 11:34:44,409 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-12-14 11:34:44,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:34:44,414 INFO L85 PathProgramCache]: Analyzing trace with hash 3879, now seen corresponding path program 1 times [2022-12-14 11:34:44,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:34:44,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95055069] [2022-12-14 11:34:44,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:44,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:34:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:44,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:44,568 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:34:44,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95055069] [2022-12-14 11:34:44,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95055069] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:34:44,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:34:44,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 11:34:44,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272501213] [2022-12-14 11:34:44,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:34:44,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:34:44,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:34:44,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:34:44,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:34:44,598 INFO L87 Difference]: Start difference. First operand has 52 states, 24 states have (on average 2.3333333333333335) internal successors, (56), 51 states have internal predecessors, (56), 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) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-12-14 11:34:44,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:34:44,684 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2022-12-14 11:34:44,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:34:44,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2022-12-14 11:34:44,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:34:44,694 INFO L225 Difference]: With dead ends: 54 [2022-12-14 11:34:44,694 INFO L226 Difference]: Without dead ends: 52 [2022-12-14 11:34:44,696 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 [2022-12-14 11:34:44,699 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 35 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:34:44,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 20 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:34:44,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-12-14 11:34:44,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 47. [2022-12-14 11:34:44,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 27 states have (on average 1.9259259259259258) internal successors, (52), 46 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) [2022-12-14 11:34:44,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2022-12-14 11:34:44,731 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 2 [2022-12-14 11:34:44,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:34:44,731 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2022-12-14 11:34:44,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-12-14 11:34:44,732 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2022-12-14 11:34:44,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 11:34:44,732 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:34:44,732 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-12-14 11:34:44,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 11:34:44,733 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-12-14 11:34:44,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:34:44,733 INFO L85 PathProgramCache]: Analyzing trace with hash 3880, now seen corresponding path program 1 times [2022-12-14 11:34:44,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:34:44,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296023899] [2022-12-14 11:34:44,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:44,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:34:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:44,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:44,804 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:34:44,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296023899] [2022-12-14 11:34:44,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296023899] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:34:44,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:34:44,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 11:34:44,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134083391] [2022-12-14 11:34:44,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:34:44,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:34:44,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:34:44,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:34:44,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:34:44,807 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-12-14 11:34:44,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:34:44,864 INFO L93 Difference]: Finished difference Result 48 states and 54 transitions. [2022-12-14 11:34:44,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:34:44,865 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2022-12-14 11:34:44,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:34:44,866 INFO L225 Difference]: With dead ends: 48 [2022-12-14 11:34:44,866 INFO L226 Difference]: Without dead ends: 48 [2022-12-14 11:34:44,866 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 [2022-12-14 11:34:44,868 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 14 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:34:44,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 39 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:34:44,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-12-14 11:34:44,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 42. [2022-12-14 11:34:44,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 27 states have (on average 1.7407407407407407) internal successors, (47), 41 states have internal predecessors, (47), 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) [2022-12-14 11:34:44,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2022-12-14 11:34:44,871 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 2 [2022-12-14 11:34:44,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:34:44,872 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2022-12-14 11:34:44,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-12-14 11:34:44,872 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2022-12-14 11:34:44,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 11:34:44,872 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:34:44,872 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:34:44,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 11:34:44,873 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-12-14 11:34:44,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:34:44,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1730509016, now seen corresponding path program 1 times [2022-12-14 11:34:44,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:34:44,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646318425] [2022-12-14 11:34:44,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:44,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:34:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:44,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:44,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:34:44,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646318425] [2022-12-14 11:34:44,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646318425] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:34:44,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:34:44,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:34:44,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895231915] [2022-12-14 11:34:44,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:34:44,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 11:34:44,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:34:44,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 11:34:44,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 11:34:44,947 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-14 11:34:45,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:34:45,021 INFO L93 Difference]: Finished difference Result 69 states and 78 transitions. [2022-12-14 11:34:45,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 11:34:45,021 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-12-14 11:34:45,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:34:45,023 INFO L225 Difference]: With dead ends: 69 [2022-12-14 11:34:45,023 INFO L226 Difference]: Without dead ends: 69 [2022-12-14 11:34:45,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:34:45,024 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 50 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:34:45,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 34 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:34:45,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-12-14 11:34:45,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 43. [2022-12-14 11:34:45,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 28 states have (on average 1.7142857142857142) internal successors, (48), 42 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) [2022-12-14 11:34:45,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2022-12-14 11:34:45,028 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 8 [2022-12-14 11:34:45,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:34:45,028 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2022-12-14 11:34:45,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-14 11:34:45,028 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2022-12-14 11:34:45,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 11:34:45,029 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:34:45,029 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:34:45,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 11:34:45,029 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-12-14 11:34:45,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:34:45,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1730507620, now seen corresponding path program 1 times [2022-12-14 11:34:45,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:34:45,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534994110] [2022-12-14 11:34:45,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:45,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:34:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:45,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:45,085 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:34:45,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534994110] [2022-12-14 11:34:45,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534994110] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:34:45,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:34:45,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:34:45,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793907577] [2022-12-14 11:34:45,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:34:45,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 11:34:45,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:34:45,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 11:34:45,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 11:34:45,087 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-12-14 11:34:45,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:34:45,147 INFO L93 Difference]: Finished difference Result 48 states and 51 transitions. [2022-12-14 11:34:45,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 11:34:45,148 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2022-12-14 11:34:45,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:34:45,149 INFO L225 Difference]: With dead ends: 48 [2022-12-14 11:34:45,149 INFO L226 Difference]: Without dead ends: 48 [2022-12-14 11:34:45,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:34:45,151 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 36 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:34:45,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 22 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 11:34:45,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-12-14 11:34:45,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2022-12-14 11:34:45,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 30 states have (on average 1.7) internal successors, (51), 43 states have internal predecessors, (51), 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) [2022-12-14 11:34:45,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2022-12-14 11:34:45,155 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 8 [2022-12-14 11:34:45,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:34:45,155 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2022-12-14 11:34:45,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-12-14 11:34:45,155 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-12-14 11:34:45,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 11:34:45,155 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:34:45,155 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:34:45,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 11:34:45,156 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-12-14 11:34:45,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:34:45,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1730507621, now seen corresponding path program 1 times [2022-12-14 11:34:45,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:34:45,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164277688] [2022-12-14 11:34:45,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:45,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:34:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:45,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:45,265 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:34:45,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164277688] [2022-12-14 11:34:45,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164277688] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:34:45,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:34:45,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:34:45,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454102960] [2022-12-14 11:34:45,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:34:45,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 11:34:45,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:34:45,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 11:34:45,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 11:34:45,267 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-14 11:34:45,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:34:45,348 INFO L93 Difference]: Finished difference Result 74 states and 85 transitions. [2022-12-14 11:34:45,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 11:34:45,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-12-14 11:34:45,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:34:45,349 INFO L225 Difference]: With dead ends: 74 [2022-12-14 11:34:45,349 INFO L226 Difference]: Without dead ends: 74 [2022-12-14 11:34:45,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:34:45,350 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 36 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:34:45,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 40 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:34:45,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-12-14 11:34:45,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 59. [2022-12-14 11:34:45,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 45 states have (on average 1.5777777777777777) internal successors, (71), 58 states have internal predecessors, (71), 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) [2022-12-14 11:34:45,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2022-12-14 11:34:45,354 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 8 [2022-12-14 11:34:45,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:34:45,354 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2022-12-14 11:34:45,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-14 11:34:45,355 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2022-12-14 11:34:45,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 11:34:45,355 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:34:45,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:34:45,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 11:34:45,355 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-12-14 11:34:45,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:34:45,356 INFO L85 PathProgramCache]: Analyzing trace with hash 866437451, now seen corresponding path program 1 times [2022-12-14 11:34:45,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:34:45,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217839596] [2022-12-14 11:34:45,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:45,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:34:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:45,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:45,484 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:34:45,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217839596] [2022-12-14 11:34:45,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217839596] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:34:45,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:34:45,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:34:45,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231980006] [2022-12-14 11:34:45,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:34:45,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 11:34:45,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:34:45,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 11:34:45,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 11:34:45,486 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-12-14 11:34:45,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:34:45,537 INFO L93 Difference]: Finished difference Result 58 states and 70 transitions. [2022-12-14 11:34:45,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:34:45,538 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2022-12-14 11:34:45,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:34:45,539 INFO L225 Difference]: With dead ends: 58 [2022-12-14 11:34:45,539 INFO L226 Difference]: Without dead ends: 58 [2022-12-14 11:34:45,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 11:34:45,540 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 10 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:34:45,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 38 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 11:34:45,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-12-14 11:34:45,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-12-14 11:34:45,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 45 states have (on average 1.5555555555555556) internal successors, (70), 57 states have internal predecessors, (70), 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) [2022-12-14 11:34:45,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 70 transitions. [2022-12-14 11:34:45,545 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 70 transitions. Word has length 10 [2022-12-14 11:34:45,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:34:45,545 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 70 transitions. [2022-12-14 11:34:45,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-12-14 11:34:45,545 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 70 transitions. [2022-12-14 11:34:45,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 11:34:45,546 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:34:45,546 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:34:45,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 11:34:45,547 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-12-14 11:34:45,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:34:45,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1463010864, now seen corresponding path program 1 times [2022-12-14 11:34:45,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:34:45,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826336790] [2022-12-14 11:34:45,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:45,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:34:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:45,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:45,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:34:45,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826336790] [2022-12-14 11:34:45,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826336790] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:34:45,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:34:45,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:34:45,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543130619] [2022-12-14 11:34:45,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:34:45,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:34:45,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:34:45,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:34:45,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:34:45,725 INFO L87 Difference]: Start difference. First operand 58 states and 70 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-12-14 11:34:45,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:34:45,837 INFO L93 Difference]: Finished difference Result 63 states and 72 transitions. [2022-12-14 11:34:45,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 11:34:45,838 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2022-12-14 11:34:45,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:34:45,838 INFO L225 Difference]: With dead ends: 63 [2022-12-14 11:34:45,838 INFO L226 Difference]: Without dead ends: 63 [2022-12-14 11:34:45,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-12-14 11:34:45,839 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 48 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:34:45,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 61 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:34:45,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-12-14 11:34:45,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 53. [2022-12-14 11:34:45,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 40 states have (on average 1.525) internal successors, (61), 52 states have internal predecessors, (61), 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) [2022-12-14 11:34:45,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 61 transitions. [2022-12-14 11:34:45,842 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 61 transitions. Word has length 12 [2022-12-14 11:34:45,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:34:45,842 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 61 transitions. [2022-12-14 11:34:45,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-12-14 11:34:45,842 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2022-12-14 11:34:45,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 11:34:45,842 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:34:45,842 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:34:45,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 11:34:45,843 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-12-14 11:34:45,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:34:45,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1462999879, now seen corresponding path program 1 times [2022-12-14 11:34:45,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:34:45,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091547908] [2022-12-14 11:34:45,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:45,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:34:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:45,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:45,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:34:45,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091547908] [2022-12-14 11:34:45,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091547908] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:34:45,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:34:45,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:34:45,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141066107] [2022-12-14 11:34:45,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:34:45,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 11:34:45,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:34:45,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 11:34:45,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 11:34:45,888 INFO L87 Difference]: Start difference. First operand 53 states and 61 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-12-14 11:34:45,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:34:45,937 INFO L93 Difference]: Finished difference Result 69 states and 77 transitions. [2022-12-14 11:34:45,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 11:34:45,937 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2022-12-14 11:34:45,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:34:45,938 INFO L225 Difference]: With dead ends: 69 [2022-12-14 11:34:45,938 INFO L226 Difference]: Without dead ends: 69 [2022-12-14 11:34:45,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:34:45,939 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 40 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:34:45,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 50 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 11:34:45,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-12-14 11:34:45,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 62. [2022-12-14 11:34:45,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 49 states have (on average 1.5714285714285714) internal successors, (77), 61 states have internal predecessors, (77), 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) [2022-12-14 11:34:45,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 77 transitions. [2022-12-14 11:34:45,941 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 77 transitions. Word has length 12 [2022-12-14 11:34:45,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:34:45,942 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 77 transitions. [2022-12-14 11:34:45,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-12-14 11:34:45,942 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 77 transitions. [2022-12-14 11:34:45,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 11:34:45,942 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:34:45,942 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:34:45,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 11:34:45,942 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-12-14 11:34:45,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:34:45,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1098836238, now seen corresponding path program 1 times [2022-12-14 11:34:45,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:34:45,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77414116] [2022-12-14 11:34:45,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:45,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:34:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:46,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:46,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:34:46,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77414116] [2022-12-14 11:34:46,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77414116] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:34:46,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152488723] [2022-12-14 11:34:46,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:46,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:34:46,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:34:46,009 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:34:46,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 11:34:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:46,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 11:34:46,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:34:46,154 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 13 treesize of output 9 [2022-12-14 11:34:46,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:46,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:34:46,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:46,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152488723] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:34:46,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1507075806] [2022-12-14 11:34:46,222 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2022-12-14 11:34:46,222 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:34:46,226 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:34:46,231 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:34:46,231 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:34:46,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:46,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:46,277 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 [2022-12-14 11:34:46,301 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 [2022-12-14 11:34:46,311 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 [2022-12-14 11:34:46,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:46,321 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 [2022-12-14 11:34:46,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:46,351 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 [2022-12-14 11:34:46,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:46,364 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 [2022-12-14 11:34:46,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:46,378 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 [2022-12-14 11:34:46,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:46,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:46,415 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 30 treesize of output 32 [2022-12-14 11:34:46,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:46,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:46,428 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 32 treesize of output 34 [2022-12-14 11:34:46,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:46,440 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 [2022-12-14 11:34:46,626 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:34:47,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1507075806] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:34:47,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:34:47,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [3, 3, 3] total 13 [2022-12-14 11:34:47,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298326907] [2022-12-14 11:34:47,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:34:47,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 11:34:47,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:34:47,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 11:34:47,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:34:47,799 INFO L87 Difference]: Start difference. First operand 62 states and 77 transitions. Second operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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) [2022-12-14 11:34:48,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:34:48,029 INFO L93 Difference]: Finished difference Result 78 states and 94 transitions. [2022-12-14 11:34:48,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 11:34:48,029 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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 15 [2022-12-14 11:34:48,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:34:48,030 INFO L225 Difference]: With dead ends: 78 [2022-12-14 11:34:48,030 INFO L226 Difference]: Without dead ends: 64 [2022-12-14 11:34:48,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 6 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:34:48,031 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:34:48,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 46 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:34:48,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-12-14 11:34:48,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-12-14 11:34:48,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 51 states have (on average 1.5490196078431373) internal successors, (79), 63 states have internal predecessors, (79), 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) [2022-12-14 11:34:48,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 79 transitions. [2022-12-14 11:34:48,034 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 79 transitions. Word has length 15 [2022-12-14 11:34:48,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:34:48,034 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 79 transitions. [2022-12-14 11:34:48,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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) [2022-12-14 11:34:48,034 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 79 transitions. [2022-12-14 11:34:48,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 11:34:48,035 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:34:48,035 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:34:48,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 11:34:48,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:34:48,237 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-12-14 11:34:48,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:34:48,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1447780460, now seen corresponding path program 1 times [2022-12-14 11:34:48,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:34:48,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605333892] [2022-12-14 11:34:48,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:48,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:34:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:48,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:48,328 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:34:48,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605333892] [2022-12-14 11:34:48,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605333892] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:34:48,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:34:48,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 11:34:48,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478807057] [2022-12-14 11:34:48,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:34:48,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:34:48,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:34:48,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:34:48,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:34:48,329 INFO L87 Difference]: Start difference. First operand 64 states and 79 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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) [2022-12-14 11:34:48,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:34:48,397 INFO L93 Difference]: Finished difference Result 72 states and 79 transitions. [2022-12-14 11:34:48,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 11:34:48,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 15 [2022-12-14 11:34:48,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:34:48,398 INFO L225 Difference]: With dead ends: 72 [2022-12-14 11:34:48,398 INFO L226 Difference]: Without dead ends: 72 [2022-12-14 11:34:48,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:34:48,399 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 37 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:34:48,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 44 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:34:48,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-12-14 11:34:48,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 60. [2022-12-14 11:34:48,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 59 states have internal predecessors, (70), 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) [2022-12-14 11:34:48,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 70 transitions. [2022-12-14 11:34:48,404 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 70 transitions. Word has length 15 [2022-12-14 11:34:48,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:34:48,404 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 70 transitions. [2022-12-14 11:34:48,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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) [2022-12-14 11:34:48,404 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 70 transitions. [2022-12-14 11:34:48,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:34:48,405 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:34:48,405 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:34:48,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 11:34:48,405 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-12-14 11:34:48,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:34:48,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1986639017, now seen corresponding path program 1 times [2022-12-14 11:34:48,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:34:48,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553277743] [2022-12-14 11:34:48,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:48,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:34:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:48,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:48,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:34:48,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553277743] [2022-12-14 11:34:48,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553277743] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:34:48,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:34:48,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 11:34:48,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587336749] [2022-12-14 11:34:48,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:34:48,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 11:34:48,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:34:48,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 11:34:48,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-14 11:34:48,601 INFO L87 Difference]: Start difference. First operand 60 states and 70 transitions. Second operand has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 states have internal predecessors, (19), 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) [2022-12-14 11:34:48,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:34:48,711 INFO L93 Difference]: Finished difference Result 76 states and 84 transitions. [2022-12-14 11:34:48,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:34:48,711 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 states have internal predecessors, (19), 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 19 [2022-12-14 11:34:48,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:34:48,712 INFO L225 Difference]: With dead ends: 76 [2022-12-14 11:34:48,712 INFO L226 Difference]: Without dead ends: 76 [2022-12-14 11:34:48,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-12-14 11:34:48,712 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 54 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:34:48,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 82 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:34:48,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-12-14 11:34:48,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 60. [2022-12-14 11:34:48,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 48 states have (on average 1.4375) internal successors, (69), 59 states have internal predecessors, (69), 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) [2022-12-14 11:34:48,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 69 transitions. [2022-12-14 11:34:48,716 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 69 transitions. Word has length 19 [2022-12-14 11:34:48,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:34:48,717 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 69 transitions. [2022-12-14 11:34:48,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 states have internal predecessors, (19), 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) [2022-12-14 11:34:48,717 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2022-12-14 11:34:48,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 11:34:48,717 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:34:48,717 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:34:48,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 11:34:48,718 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-12-14 11:34:48,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:34:48,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1456267282, now seen corresponding path program 1 times [2022-12-14 11:34:48,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:34:48,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125812442] [2022-12-14 11:34:48,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:48,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:34:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:48,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:48,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:34:48,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125812442] [2022-12-14 11:34:48,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125812442] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:34:48,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:34:48,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 11:34:48,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402897058] [2022-12-14 11:34:48,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:34:48,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 11:34:48,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:34:48,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 11:34:48,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-14 11:34:48,944 INFO L87 Difference]: Start difference. First operand 60 states and 69 transitions. Second operand has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 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) [2022-12-14 11:34:49,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:34:49,075 INFO L93 Difference]: Finished difference Result 75 states and 83 transitions. [2022-12-14 11:34:49,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:34:49,076 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 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 20 [2022-12-14 11:34:49,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:34:49,076 INFO L225 Difference]: With dead ends: 75 [2022-12-14 11:34:49,076 INFO L226 Difference]: Without dead ends: 75 [2022-12-14 11:34:49,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-12-14 11:34:49,077 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 48 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:34:49,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 61 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:34:49,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-12-14 11:34:49,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 60. [2022-12-14 11:34:49,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 59 states have internal predecessors, (68), 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) [2022-12-14 11:34:49,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 68 transitions. [2022-12-14 11:34:49,081 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 68 transitions. Word has length 20 [2022-12-14 11:34:49,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:34:49,081 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 68 transitions. [2022-12-14 11:34:49,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 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) [2022-12-14 11:34:49,081 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2022-12-14 11:34:49,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 11:34:49,082 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:34:49,082 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] [2022-12-14 11:34:49,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 11:34:49,082 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-12-14 11:34:49,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:34:49,082 INFO L85 PathProgramCache]: Analyzing trace with hash 2100354617, now seen corresponding path program 1 times [2022-12-14 11:34:49,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:34:49,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793863381] [2022-12-14 11:34:49,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:49,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:34:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:49,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:49,259 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:34:49,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793863381] [2022-12-14 11:34:49,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793863381] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:34:49,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:34:49,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 11:34:49,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363907776] [2022-12-14 11:34:49,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:34:49,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 11:34:49,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:34:49,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 11:34:49,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-14 11:34:49,261 INFO L87 Difference]: Start difference. First operand 60 states and 68 transitions. Second operand has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 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) [2022-12-14 11:34:49,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:34:49,365 INFO L93 Difference]: Finished difference Result 61 states and 68 transitions. [2022-12-14 11:34:49,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 11:34:49,366 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 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 21 [2022-12-14 11:34:49,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:34:49,366 INFO L225 Difference]: With dead ends: 61 [2022-12-14 11:34:49,366 INFO L226 Difference]: Without dead ends: 61 [2022-12-14 11:34:49,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-12-14 11:34:49,367 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 21 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:34:49,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 53 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:34:49,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-12-14 11:34:49,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 60. [2022-12-14 11:34:49,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 48 states have (on average 1.3958333333333333) internal successors, (67), 59 states have internal predecessors, (67), 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) [2022-12-14 11:34:49,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 67 transitions. [2022-12-14 11:34:49,370 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 67 transitions. Word has length 21 [2022-12-14 11:34:49,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:34:49,370 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 67 transitions. [2022-12-14 11:34:49,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 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) [2022-12-14 11:34:49,371 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2022-12-14 11:34:49,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 11:34:49,371 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:34:49,371 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] [2022-12-14 11:34:49,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 11:34:49,371 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-12-14 11:34:49,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:34:49,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1013749287, now seen corresponding path program 1 times [2022-12-14 11:34:49,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:34:49,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116748604] [2022-12-14 11:34:49,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:49,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:34:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:49,515 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:49,515 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:34:49,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116748604] [2022-12-14 11:34:49,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116748604] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:34:49,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107580825] [2022-12-14 11:34:49,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:49,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:34:49,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:34:49,517 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:34:49,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 11:34:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:49,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 11:34:49,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:34:49,599 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 [2022-12-14 11:34:49,623 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 11:34:49,624 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 [2022-12-14 11:34:49,641 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 [2022-12-14 11:34:49,670 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:34:49,671 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 18 treesize of output 16 [2022-12-14 11:34:49,698 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:49,698 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:34:49,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107580825] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:34:49,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 11:34:49,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 16 [2022-12-14 11:34:49,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558515769] [2022-12-14 11:34:49,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:34:49,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 11:34:49,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:34:49,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 11:34:49,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-12-14 11:34:49,699 INFO L87 Difference]: Start difference. First operand 60 states and 67 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2022-12-14 11:34:49,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:34:49,870 INFO L93 Difference]: Finished difference Result 68 states and 74 transitions. [2022-12-14 11:34:49,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 11:34:49,870 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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 22 [2022-12-14 11:34:49,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:34:49,871 INFO L225 Difference]: With dead ends: 68 [2022-12-14 11:34:49,871 INFO L226 Difference]: Without dead ends: 67 [2022-12-14 11:34:49,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2022-12-14 11:34:49,872 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 29 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:34:49,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 90 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:34:49,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-12-14 11:34:49,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 60. [2022-12-14 11:34:49,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 48 states have (on average 1.375) internal successors, (66), 59 states have internal predecessors, (66), 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) [2022-12-14 11:34:49,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 66 transitions. [2022-12-14 11:34:49,875 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 66 transitions. Word has length 22 [2022-12-14 11:34:49,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:34:49,876 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 66 transitions. [2022-12-14 11:34:49,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2022-12-14 11:34:49,876 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 66 transitions. [2022-12-14 11:34:49,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 11:34:49,876 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:34:49,876 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] [2022-12-14 11:34:49,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 11:34:50,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-14 11:34:50,078 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-12-14 11:34:50,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:34:50,079 INFO L85 PathProgramCache]: Analyzing trace with hash 939258027, now seen corresponding path program 1 times [2022-12-14 11:34:50,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:34:50,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446485753] [2022-12-14 11:34:50,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:50,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:34:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:50,329 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:50,329 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:34:50,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446485753] [2022-12-14 11:34:50,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446485753] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:34:50,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638728660] [2022-12-14 11:34:50,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:50,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:34:50,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:34:50,331 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:34:50,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 11:34:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:50,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-14 11:34:50,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:34:50,414 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 [2022-12-14 11:34:50,437 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 11:34:50,437 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 [2022-12-14 11:34:50,455 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 [2022-12-14 11:34:50,483 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:34:50,484 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 28 [2022-12-14 11:34:50,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:50,511 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 30 treesize of output 25 [2022-12-14 11:34:50,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:50,554 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:34:50,554 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 24 treesize of output 15 [2022-12-14 11:34:50,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:50,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:34:50,713 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:34:50,713 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 19 treesize of output 20 [2022-12-14 11:34:50,721 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:34:50,722 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 33 treesize of output 33 [2022-12-14 11:34:50,727 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 20 treesize of output 18 [2022-12-14 11:34:50,836 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:50,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638728660] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:34:50,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [887417528] [2022-12-14 11:34:50,838 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2022-12-14 11:34:50,838 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:34:50,838 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:34:50,838 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:34:50,839 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:34:50,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:50,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:50,860 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 [2022-12-14 11:34:50,875 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 [2022-12-14 11:34:50,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:50,883 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 [2022-12-14 11:34:50,889 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 [2022-12-14 11:34:50,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:50,902 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 [2022-12-14 11:34:50,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:50,909 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 [2022-12-14 11:34:50,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:50,918 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 [2022-12-14 11:34:50,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:50,932 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 [2022-12-14 11:34:50,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:50,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:50,941 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 32 treesize of output 34 [2022-12-14 11:34:50,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:50,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:50,950 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 30 treesize of output 32 [2022-12-14 11:34:50,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:50,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:50,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:50,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:50,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:50,979 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 [2022-12-14 11:34:50,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:50,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:50,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:50,997 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 39 treesize of output 44 [2022-12-14 11:34:51,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,010 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 37 treesize of output 42 [2022-12-14 11:34:51,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,022 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 [2022-12-14 11:34:51,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,045 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 [2022-12-14 11:34:51,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 47 [2022-12-14 11:34:51,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 45 [2022-12-14 11:34:51,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2022-12-14 11:34:51,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 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 [2022-12-14 11:34:51,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,128 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 [2022-12-14 11:34:51,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,163 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 [2022-12-14 11:34:51,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,183 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 [2022-12-14 11:34:51,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:51,214 INFO L321 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2022-12-14 11:34:51,215 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 6 new quantified variables, introduced 11 case distinctions, treesize of input 186 treesize of output 140 [2022-12-14 11:34:51,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2022-12-14 11:34:51,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:51,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:51,284 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-12-14 11:34:51,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 195 treesize of output 152 [2022-12-14 11:34:51,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 86 [2022-12-14 11:34:51,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,322 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 [2022-12-14 11:34:51,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,358 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 [2022-12-14 11:34:51,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:51,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:51,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:51,406 INFO L321 Elim1Store]: treesize reduction 74, result has 18.7 percent of original size [2022-12-14 11:34:51,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 204 treesize of output 164 [2022-12-14 11:34:51,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 100 [2022-12-14 11:34:51,677 INFO L321 Elim1Store]: treesize reduction 254, result has 14.2 percent of original size [2022-12-14 11:34:51,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 case distinctions, treesize of input 862 treesize of output 848 [2022-12-14 11:34:51,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:51,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:51,837 INFO L321 Elim1Store]: treesize reduction 422, result has 11.0 percent of original size [2022-12-14 11:34:51,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 33 case distinctions, treesize of input 943 treesize of output 591 [2022-12-14 11:34:51,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:51,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:51,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:51,948 INFO L321 Elim1Store]: treesize reduction 426, result has 10.1 percent of original size [2022-12-14 11:34:51,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 32 case distinctions, treesize of input 943 treesize of output 785 [2022-12-14 11:34:51,987 INFO L321 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-12-14 11:34:51,987 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 947 treesize of output 930 [2022-12-14 11:34:52,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:52,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:52,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:52,162 INFO L321 Elim1Store]: treesize reduction 474, result has 8.7 percent of original size [2022-12-14 11:34:52,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 39 case distinctions, treesize of input 952 treesize of output 603 [2022-12-14 11:34:52,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:52,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:52,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:52,275 INFO L321 Elim1Store]: treesize reduction 486, result has 7.8 percent of original size [2022-12-14 11:34:52,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 13 new quantified variables, introduced 39 case distinctions, treesize of input 952 treesize of output 797 [2022-12-14 11:34:52,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,295 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 951 treesize of output 930 [2022-12-14 11:34:52,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:52,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:52,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:52,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:52,562 INFO L321 Elim1Store]: treesize reduction 552, result has 8.9 percent of original size [2022-12-14 11:34:52,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 9 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 47 case distinctions, treesize of input 961 treesize of output 615 [2022-12-14 11:34:52,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,582 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 951 treesize of output 930 [2022-12-14 11:34:52,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:52,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:52,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:52,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:52,690 INFO L321 Elim1Store]: treesize reduction 576, result has 8.0 percent of original size [2022-12-14 11:34:52,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 14 new quantified variables, introduced 47 case distinctions, treesize of input 963 treesize of output 811 [2022-12-14 11:34:52,756 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 [2022-12-14 11:34:52,759 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 12 treesize of output 9 [2022-12-14 11:34:52,765 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 [2022-12-14 11:34:52,768 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 15 treesize of output 1 [2022-12-14 11:34:52,772 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 [2022-12-14 11:34:52,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,783 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 [2022-12-14 11:34:52,787 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 [2022-12-14 11:34:52,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,792 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 [2022-12-14 11:34:52,802 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 19 treesize of output 1 [2022-12-14 11:34:52,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,809 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:34:52,809 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 11:34:52,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:52,819 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:34:52,819 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:34:52,921 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 12 treesize of output 9 [2022-12-14 11:34:52,987 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 11:34:52,987 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 [2022-12-14 11:34:53,053 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 11:34:53,053 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 [2022-12-14 11:34:53,125 INFO L321 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-12-14 11:34:53,125 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 169 treesize of output 203 [2022-12-14 11:34:53,277 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 12 treesize of output 9 [2022-12-14 11:34:53,286 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 12 treesize of output 9 [2022-12-14 11:34:53,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:53,311 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 12 treesize of output 1 [2022-12-14 11:34:53,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:53,335 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 12 treesize of output 1 [2022-12-14 11:34:53,394 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 11:34:53,394 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 367 treesize of output 354 [2022-12-14 11:34:53,416 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:34:53,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 4 case distinctions, treesize of input 355 treesize of output 352 [2022-12-14 11:34:53,439 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:34:53,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 347 treesize of output 344 [2022-12-14 11:34:53,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:53,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:53,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:53,616 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:34:53,616 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 3 case distinctions, treesize of input 392 treesize of output 381 [2022-12-14 11:34:53,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:53,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:53,630 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 383 treesize of output 362 [2022-12-14 11:34:53,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:53,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:53,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:53,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:53,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:53,645 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:34:53,645 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 3 case distinctions, treesize of input 384 treesize of output 373 [2022-12-14 11:34:53,715 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:34:54,587 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2181#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_old_#valid#1| |#valid|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~list~0#1.base| 0) (= |ULTIMATE.start_main_#res#1| 0) (= |#NULL.base| 0))' at error location [2022-12-14 11:34:54,587 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:34:54,588 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:34:54,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 19 [2022-12-14 11:34:54,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114281503] [2022-12-14 11:34:54,588 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:34:54,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-12-14 11:34:54,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:34:54,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-12-14 11:34:54,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1233, Unknown=1, NotChecked=0, Total=1406 [2022-12-14 11:34:54,589 INFO L87 Difference]: Start difference. First operand 60 states and 66 transitions. Second operand has 20 states, 20 states have (on average 2.45) internal successors, (49), 19 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) [2022-12-14 11:34:54,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:34:54,995 INFO L93 Difference]: Finished difference Result 99 states and 108 transitions. [2022-12-14 11:34:54,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:34:54,995 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.45) internal successors, (49), 19 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 22 [2022-12-14 11:34:54,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:34:54,995 INFO L225 Difference]: With dead ends: 99 [2022-12-14 11:34:54,995 INFO L226 Difference]: Without dead ends: 99 [2022-12-14 11:34:54,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 648 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=319, Invalid=1936, Unknown=1, NotChecked=0, Total=2256 [2022-12-14 11:34:54,996 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 199 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:34:54,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 102 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:34:54,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-12-14 11:34:54,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 63. [2022-12-14 11:34:54,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 51 states have (on average 1.3725490196078431) internal successors, (70), 62 states have internal predecessors, (70), 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) [2022-12-14 11:34:54,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 70 transitions. [2022-12-14 11:34:54,999 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 70 transitions. Word has length 22 [2022-12-14 11:34:54,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:34:54,999 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 70 transitions. [2022-12-14 11:34:55,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.45) internal successors, (49), 19 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) [2022-12-14 11:34:55,000 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2022-12-14 11:34:55,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 11:34:55,000 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:34:55,000 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:34:55,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 11:34:55,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-14 11:34:55,202 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-12-14 11:34:55,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:34:55,203 INFO L85 PathProgramCache]: Analyzing trace with hash 939256631, now seen corresponding path program 1 times [2022-12-14 11:34:55,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:34:55,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910310687] [2022-12-14 11:34:55,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:55,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:34:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:55,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:55,367 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:34:55,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910310687] [2022-12-14 11:34:55,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910310687] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:34:55,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526058669] [2022-12-14 11:34:55,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:34:55,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:34:55,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:34:55,369 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:34:55,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 11:34:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:34:55,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-14 11:34:55,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:34:55,451 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 [2022-12-14 11:34:55,463 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 11:34:55,464 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 [2022-12-14 11:34:55,477 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 [2022-12-14 11:34:55,499 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:34:55,500 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 29 [2022-12-14 11:34:55,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:55,524 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 [2022-12-14 11:34:55,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:55,572 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:34:55,572 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 25 treesize of output 16 [2022-12-14 11:34:55,586 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 12 treesize of output 14 [2022-12-14 11:34:55,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:55,590 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:34:55,768 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:34:55,768 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 49 treesize of output 53 [2022-12-14 11:34:55,807 WARN L837 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_616 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_42| Int)) (or (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_616) |c_ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_42|) |c_ULTIMATE.start_main_~list~0#1.base|) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_42|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_42| |c_ULTIMATE.start_main_~y~0#1.offset|)))) (forall ((v_prenex_2 Int) (v_prenex_1 (Array Int Int))) (or (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_1) |c_ULTIMATE.start_main_~y~0#1.base|) v_prenex_2) |c_ULTIMATE.start_main_~y~0#1.base|)) (not (<= v_prenex_2 |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 v_prenex_2))))) is different from false [2022-12-14 11:34:55,816 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:34:55,816 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 18 treesize of output 19 [2022-12-14 11:34:55,822 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:34:55,822 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 30 treesize of output 30 [2022-12-14 11:34:55,826 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 9 treesize of output 7 [2022-12-14 11:34:55,843 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:34:55,844 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 19 treesize of output 1 [2022-12-14 11:34:55,885 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:34:55,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526058669] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:34:55,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1036032328] [2022-12-14 11:34:55,887 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-12-14 11:34:55,887 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:34:55,887 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:34:55,887 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:34:55,888 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:34:55,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:55,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:55,904 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 [2022-12-14 11:34:55,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:55,919 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 [2022-12-14 11:34:55,924 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 [2022-12-14 11:34:55,930 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 [2022-12-14 11:34:55,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:55,943 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 21 treesize of output 20 [2022-12-14 11:34:55,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:55,951 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 [2022-12-14 11:34:55,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:55,960 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 [2022-12-14 11:34:55,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:55,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:55,982 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 30 treesize of output 32 [2022-12-14 11:34:55,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:55,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:55,990 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 32 treesize of output 34 [2022-12-14 11:34:55,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:55,997 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 [2022-12-14 11:34:56,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,024 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 [2022-12-14 11:34:56,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,043 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 39 treesize of output 44 [2022-12-14 11:34:56,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,056 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 37 treesize of output 42 [2022-12-14 11:34:56,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,064 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 [2022-12-14 11:34:56,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,079 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 [2022-12-14 11:34:56,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 47 [2022-12-14 11:34:56,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 45 [2022-12-14 11:34:56,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,122 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 [2022-12-14 11:34:56,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 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 [2022-12-14 11:34:56,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2022-12-14 11:34:56,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,195 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 [2022-12-14 11:34:56,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:56,239 INFO L321 Elim1Store]: treesize reduction 52, result has 26.8 percent of original size [2022-12-14 11:34:56,240 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 6 new quantified variables, introduced 11 case distinctions, treesize of input 239 treesize of output 189 [2022-12-14 11:34:56,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,258 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 11:34:56,259 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 8 new quantified variables, introduced 3 case distinctions, treesize of input 153 treesize of output 141 [2022-12-14 11:34:56,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,277 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 [2022-12-14 11:34:56,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:56,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:56,317 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-12-14 11:34:56,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 195 treesize of output 152 [2022-12-14 11:34:56,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 86 [2022-12-14 11:34:56,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,350 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 [2022-12-14 11:34:56,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,372 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 [2022-12-14 11:34:56,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:56,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:56,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:56,409 INFO L321 Elim1Store]: treesize reduction 74, result has 18.7 percent of original size [2022-12-14 11:34:56,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 204 treesize of output 164 [2022-12-14 11:34:56,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 100 [2022-12-14 11:34:56,642 INFO L321 Elim1Store]: treesize reduction 226, result has 14.4 percent of original size [2022-12-14 11:34:56,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 case distinctions, treesize of input 692 treesize of output 690 [2022-12-14 11:34:56,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:56,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:56,746 INFO L321 Elim1Store]: treesize reduction 104, result has 17.5 percent of original size [2022-12-14 11:34:56,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 31 case distinctions, treesize of input 765 treesize of output 505 [2022-12-14 11:34:56,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:56,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:56,820 INFO L321 Elim1Store]: treesize reduction 200, result has 14.5 percent of original size [2022-12-14 11:34:56,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 765 treesize of output 751 [2022-12-14 11:34:56,850 INFO L321 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-12-14 11:34:56,851 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 769 treesize of output 752 [2022-12-14 11:34:56,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:56,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:56,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:56,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:56,991 INFO L321 Elim1Store]: treesize reduction 112, result has 11.8 percent of original size [2022-12-14 11:34:56,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 5 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 37 case distinctions, treesize of input 774 treesize of output 517 [2022-12-14 11:34:57,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:57,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:57,006 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 773 treesize of output 752 [2022-12-14 11:34:57,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:57,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:57,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:57,059 INFO L321 Elim1Store]: treesize reduction 220, result has 10.9 percent of original size [2022-12-14 11:34:57,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 774 treesize of output 763 [2022-12-14 11:34:57,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:57,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:57,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:57,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:57,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:57,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:57,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:57,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:57,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:57,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:57,213 INFO L321 Elim1Store]: treesize reduction 146, result has 14.1 percent of original size [2022-12-14 11:34:57,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 45 case distinctions, treesize of input 783 treesize of output 529 [2022-12-14 11:34:57,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:57,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:57,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:57,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:57,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:57,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:57,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:57,299 INFO L321 Elim1Store]: treesize reduction 272, result has 11.7 percent of original size [2022-12-14 11:34:57,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 39 case distinctions, treesize of input 785 treesize of output 777 [2022-12-14 11:34:57,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:57,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:57,316 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 773 treesize of output 752 [2022-12-14 11:34:57,369 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 [2022-12-14 11:34:57,371 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 12 treesize of output 9 [2022-12-14 11:34:57,376 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 [2022-12-14 11:34:57,379 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 [2022-12-14 11:34:57,382 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 15 treesize of output 1 [2022-12-14 11:34:57,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:57,389 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 [2022-12-14 11:34:57,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:57,394 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 21 treesize of output 20 [2022-12-14 11:34:57,399 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 [2022-12-14 11:34:57,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:57,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:57,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:57,410 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:34:57,410 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 11:34:57,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:57,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:57,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:57,421 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:34:57,421 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:34:57,426 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 19 treesize of output 1 [2022-12-14 11:34:57,520 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 12 treesize of output 9 [2022-12-14 11:34:57,582 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 11:34:57,582 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 [2022-12-14 11:34:57,639 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 11:34:57,639 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 [2022-12-14 11:34:57,694 INFO L321 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-12-14 11:34:57,694 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 169 treesize of output 203 [2022-12-14 11:34:57,774 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 12 treesize of output 9 [2022-12-14 11:34:57,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:57,780 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 12 treesize of output 1 [2022-12-14 11:34:57,814 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 11:34:57,815 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 201 treesize of output 196 [2022-12-14 11:34:57,829 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:34:57,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 4 case distinctions, treesize of input 193 treesize of output 202 [2022-12-14 11:34:57,845 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:34:57,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 189 treesize of output 198 [2022-12-14 11:34:58,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:58,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:58,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:58,191 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:34:58,191 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 3 case distinctions, treesize of input 1276 treesize of output 1209 [2022-12-14 11:34:58,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:58,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:58,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:34:58,222 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:34:58,222 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 3 case distinctions, treesize of input 1244 treesize of output 1177 [2022-12-14 11:34:58,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:58,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:34:58,249 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 1211 treesize of output 1158 [2022-12-14 11:34:58,438 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:34:59,622 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2529#(and (not (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 11:34:59,622 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:34:59,622 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:34:59,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 21 [2022-12-14 11:34:59,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584786171] [2022-12-14 11:34:59,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:34:59,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-12-14 11:34:59,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:34:59,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-12-14 11:34:59,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=1225, Unknown=1, NotChecked=72, Total=1482 [2022-12-14 11:34:59,624 INFO L87 Difference]: Start difference. First operand 63 states and 70 transitions. Second operand has 22 states, 21 states have (on average 2.3333333333333335) internal successors, (49), 22 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) [2022-12-14 11:35:00,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:35:00,438 INFO L93 Difference]: Finished difference Result 78 states and 83 transitions. [2022-12-14 11:35:00,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 11:35:00,438 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.3333333333333335) internal successors, (49), 22 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 22 [2022-12-14 11:35:00,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:35:00,439 INFO L225 Difference]: With dead ends: 78 [2022-12-14 11:35:00,439 INFO L226 Difference]: Without dead ends: 78 [2022-12-14 11:35:00,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 1 IntricatePredicates, 2 DeprecatedPredicates, 625 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=406, Invalid=2147, Unknown=1, NotChecked=98, Total=2652 [2022-12-14 11:35:00,441 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 96 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 45 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 47 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:35:00,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 115 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 437 Invalid, 2 Unknown, 47 Unchecked, 0.3s Time] [2022-12-14 11:35:00,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-12-14 11:35:00,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 66. [2022-12-14 11:35:00,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 65 states have internal predecessors, (75), 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) [2022-12-14 11:35:00,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 75 transitions. [2022-12-14 11:35:00,444 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 75 transitions. Word has length 22 [2022-12-14 11:35:00,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:35:00,444 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 75 transitions. [2022-12-14 11:35:00,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.3333333333333335) internal successors, (49), 22 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) [2022-12-14 11:35:00,444 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 75 transitions. [2022-12-14 11:35:00,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 11:35:00,444 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:35:00,444 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:35:00,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 11:35:00,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-14 11:35:00,646 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-12-14 11:35:00,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:35:00,647 INFO L85 PathProgramCache]: Analyzing trace with hash 939256632, now seen corresponding path program 1 times [2022-12-14 11:35:00,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:35:00,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164011424] [2022-12-14 11:35:00,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:35:00,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:35:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:35:00,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:35:00,908 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:35:00,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164011424] [2022-12-14 11:35:00,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164011424] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:35:00,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294662423] [2022-12-14 11:35:00,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:35:00,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:35:00,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:35:00,910 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:35:00,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 11:35:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:35:00,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-14 11:35:00,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:35:00,994 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 [2022-12-14 11:35:00,997 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 [2022-12-14 11:35:01,021 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 11:35:01,022 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 [2022-12-14 11:35:01,025 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 12 treesize of output 14 [2022-12-14 11:35:01,043 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 [2022-12-14 11:35:01,049 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 [2022-12-14 11:35:01,076 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:35:01,076 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2022-12-14 11:35:01,079 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 18 treesize of output 20 [2022-12-14 11:35:01,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,109 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 [2022-12-14 11:35:01,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,113 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 [2022-12-14 11:35:01,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:01,158 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 11:35:01,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:01,163 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:35:01,164 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 25 treesize of output 16 [2022-12-14 11:35:01,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:35:01,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:35:01,427 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:35:01,427 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 37 treesize of output 38 [2022-12-14 11:35:01,431 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:35:01,431 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 29 treesize of output 30 [2022-12-14 11:35:01,438 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:35:01,439 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 52 treesize of output 52 [2022-12-14 11:35:01,446 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:35:01,446 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 82 treesize of output 78 [2022-12-14 11:35:01,451 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 34 treesize of output 30 [2022-12-14 11:35:01,455 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 62 treesize of output 58 [2022-12-14 11:35:01,497 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:35:01,498 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 18 treesize of output 19 [2022-12-14 11:35:01,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:01,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,502 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2022-12-14 11:35:01,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:35:01,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294662423] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:35:01,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [472167404] [2022-12-14 11:35:01,660 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-12-14 11:35:01,660 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:35:01,660 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:35:01,660 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:35:01,660 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:35:01,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,673 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 [2022-12-14 11:35:01,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,683 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 [2022-12-14 11:35:01,690 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 [2022-12-14 11:35:01,695 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 [2022-12-14 11:35:01,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,708 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 21 treesize of output 20 [2022-12-14 11:35:01,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,717 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 [2022-12-14 11:35:01,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,725 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 [2022-12-14 11:35:01,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,738 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 32 treesize of output 34 [2022-12-14 11:35:01,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,746 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 30 treesize of output 32 [2022-12-14 11:35:01,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,752 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 [2022-12-14 11:35:01,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,781 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 [2022-12-14 11:35:01,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,801 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 39 treesize of output 44 [2022-12-14 11:35:01,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,813 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 37 treesize of output 42 [2022-12-14 11:35:01,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,826 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 [2022-12-14 11:35:01,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 47 [2022-12-14 11:35:01,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,864 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 [2022-12-14 11:35:01,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 45 [2022-12-14 11:35:01,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 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 [2022-12-14 11:35:01,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,903 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 [2022-12-14 11:35:01,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2022-12-14 11:35:01,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,949 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 [2022-12-14 11:35:01,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,965 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 [2022-12-14 11:35:01,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:01,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:01,992 INFO L321 Elim1Store]: treesize reduction 52, result has 26.8 percent of original size [2022-12-14 11:35:01,992 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 6 new quantified variables, introduced 11 case distinctions, treesize of input 239 treesize of output 189 [2022-12-14 11:35:02,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,008 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 11:35:02,008 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 8 new quantified variables, introduced 3 case distinctions, treesize of input 153 treesize of output 141 [2022-12-14 11:35:02,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:02,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:02,052 INFO L321 Elim1Store]: treesize reduction 55, result has 19.1 percent of original size [2022-12-14 11:35:02,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 248 treesize of output 201 [2022-12-14 11:35:02,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,072 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 11:35:02,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 162 treesize of output 153 [2022-12-14 11:35:02,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,090 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 [2022-12-14 11:35:02,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,114 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 [2022-12-14 11:35:02,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:02,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:02,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:02,153 INFO L321 Elim1Store]: treesize reduction 74, result has 18.7 percent of original size [2022-12-14 11:35:02,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 204 treesize of output 164 [2022-12-14 11:35:02,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 100 [2022-12-14 11:35:02,411 INFO L321 Elim1Store]: treesize reduction 226, result has 14.4 percent of original size [2022-12-14 11:35:02,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 case distinctions, treesize of input 692 treesize of output 690 [2022-12-14 11:35:02,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:02,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:02,521 INFO L321 Elim1Store]: treesize reduction 104, result has 17.5 percent of original size [2022-12-14 11:35:02,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 31 case distinctions, treesize of input 765 treesize of output 505 [2022-12-14 11:35:02,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:02,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,539 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:02,587 INFO L321 Elim1Store]: treesize reduction 200, result has 14.5 percent of original size [2022-12-14 11:35:02,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 765 treesize of output 751 [2022-12-14 11:35:02,609 INFO L321 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-12-14 11:35:02,609 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 769 treesize of output 752 [2022-12-14 11:35:02,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:02,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:02,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:02,716 INFO L321 Elim1Store]: treesize reduction 112, result has 11.8 percent of original size [2022-12-14 11:35:02,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 37 case distinctions, treesize of input 774 treesize of output 517 [2022-12-14 11:35:02,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:02,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:02,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:02,775 INFO L321 Elim1Store]: treesize reduction 220, result has 10.9 percent of original size [2022-12-14 11:35:02,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 774 treesize of output 763 [2022-12-14 11:35:02,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,789 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 773 treesize of output 752 [2022-12-14 11:35:02,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:02,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:02,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:02,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:02,931 INFO L321 Elim1Store]: treesize reduction 146, result has 14.1 percent of original size [2022-12-14 11:35:02,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 45 case distinctions, treesize of input 783 treesize of output 529 [2022-12-14 11:35:02,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:02,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:02,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:02,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:02,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:03,010 INFO L321 Elim1Store]: treesize reduction 272, result has 11.7 percent of original size [2022-12-14 11:35:03,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 39 case distinctions, treesize of input 785 treesize of output 777 [2022-12-14 11:35:03,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:03,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:03,025 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 773 treesize of output 752 [2022-12-14 11:35:03,080 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 [2022-12-14 11:35:03,084 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 12 treesize of output 9 [2022-12-14 11:35:03,090 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 [2022-12-14 11:35:03,094 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 [2022-12-14 11:35:03,098 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 15 treesize of output 1 [2022-12-14 11:35:03,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:03,108 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 [2022-12-14 11:35:03,113 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 [2022-12-14 11:35:03,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:03,121 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 [2022-12-14 11:35:03,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:03,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:03,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:03,136 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:35:03,136 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:35:03,141 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 19 treesize of output 1 [2022-12-14 11:35:03,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:03,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:03,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:03,152 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:35:03,152 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 11:35:03,241 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 12 treesize of output 9 [2022-12-14 11:35:03,296 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 11:35:03,296 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 [2022-12-14 11:35:03,352 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 11:35:03,352 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 [2022-12-14 11:35:03,413 INFO L321 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-12-14 11:35:03,414 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 169 treesize of output 203 [2022-12-14 11:35:03,532 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 12 treesize of output 9 [2022-12-14 11:35:03,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:03,540 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 12 treesize of output 1 [2022-12-14 11:35:03,548 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 12 treesize of output 9 [2022-12-14 11:35:03,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:03,563 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 12 treesize of output 1 [2022-12-14 11:35:03,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:03,570 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 12 treesize of output 1 [2022-12-14 11:35:03,617 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:35:03,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 356 treesize of output 353 [2022-12-14 11:35:03,639 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 11:35:03,639 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 352 treesize of output 339 [2022-12-14 11:35:03,658 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:35:03,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 340 treesize of output 337 [2022-12-14 11:35:03,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:03,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:03,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:03,872 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:35:03,872 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 3 case distinctions, treesize of input 688 treesize of output 657 [2022-12-14 11:35:03,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:03,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:03,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:03,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:03,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:03,895 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:35:03,896 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 3 case distinctions, treesize of input 672 treesize of output 641 [2022-12-14 11:35:03,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:03,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:03,913 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 655 treesize of output 622 [2022-12-14 11:35:04,001 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:35:05,044 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2864#(and (or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~list~0#1.base|)))) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 11:35:05,044 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:35:05,045 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:35:05,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 19 [2022-12-14 11:35:05,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595094394] [2022-12-14 11:35:05,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:35:05,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-12-14 11:35:05,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:35:05,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-12-14 11:35:05,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=1238, Unknown=1, NotChecked=0, Total=1406 [2022-12-14 11:35:05,047 INFO L87 Difference]: Start difference. First operand 66 states and 75 transitions. Second operand has 21 states, 20 states have (on average 2.8) internal successors, (56), 20 states have internal predecessors, (56), 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) [2022-12-14 11:35:05,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:35:05,501 INFO L93 Difference]: Finished difference Result 96 states and 104 transitions. [2022-12-14 11:35:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 11:35:05,502 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 2.8) internal successors, (56), 20 states have internal predecessors, (56), 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 22 [2022-12-14 11:35:05,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:35:05,502 INFO L225 Difference]: With dead ends: 96 [2022-12-14 11:35:05,503 INFO L226 Difference]: Without dead ends: 96 [2022-12-14 11:35:05,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 591 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=306, Invalid=1855, Unknown=1, NotChecked=0, Total=2162 [2022-12-14 11:35:05,504 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 193 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:35:05,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 101 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:35:05,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-12-14 11:35:05,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 75. [2022-12-14 11:35:05,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 74 states have internal predecessors, (88), 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) [2022-12-14 11:35:05,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 88 transitions. [2022-12-14 11:35:05,506 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 88 transitions. Word has length 22 [2022-12-14 11:35:05,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:35:05,506 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 88 transitions. [2022-12-14 11:35:05,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 2.8) internal successors, (56), 20 states have internal predecessors, (56), 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) [2022-12-14 11:35:05,507 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 88 transitions. [2022-12-14 11:35:05,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 11:35:05,507 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:35:05,507 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] [2022-12-14 11:35:05,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 11:35:05,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-14 11:35:05,709 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-12-14 11:35:05,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:35:05,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1714033067, now seen corresponding path program 1 times [2022-12-14 11:35:05,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:35:05,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421799064] [2022-12-14 11:35:05,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:35:05,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:35:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:35:05,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:35:05,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:35:05,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421799064] [2022-12-14 11:35:05,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421799064] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:35:05,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:35:05,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:35:05,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202832046] [2022-12-14 11:35:05,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:35:05,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 11:35:05,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:35:05,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 11:35:05,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-14 11:35:05,945 INFO L87 Difference]: Start difference. First operand 75 states and 88 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) [2022-12-14 11:35:06,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:35:06,098 INFO L93 Difference]: Finished difference Result 83 states and 94 transitions. [2022-12-14 11:35:06,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 11:35:06,099 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 [2022-12-14 11:35:06,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:35:06,099 INFO L225 Difference]: With dead ends: 83 [2022-12-14 11:35:06,099 INFO L226 Difference]: Without dead ends: 83 [2022-12-14 11:35:06,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-12-14 11:35:06,100 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 39 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:35:06,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 56 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:35:06,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-12-14 11:35:06,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 75. [2022-12-14 11:35:06,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 63 states have (on average 1.380952380952381) internal successors, (87), 74 states have internal predecessors, (87), 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) [2022-12-14 11:35:06,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 87 transitions. [2022-12-14 11:35:06,102 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 87 transitions. Word has length 24 [2022-12-14 11:35:06,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:35:06,102 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 87 transitions. [2022-12-14 11:35:06,102 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) [2022-12-14 11:35:06,102 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2022-12-14 11:35:06,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 11:35:06,102 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:35:06,102 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:35:06,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 11:35:06,102 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-12-14 11:35:06,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:35:06,103 INFO L85 PathProgramCache]: Analyzing trace with hash 2081666968, now seen corresponding path program 1 times [2022-12-14 11:35:06,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:35:06,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838605271] [2022-12-14 11:35:06,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:35:06,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:35:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:35:06,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:35:06,457 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:35:06,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838605271] [2022-12-14 11:35:06,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838605271] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:35:06,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901384294] [2022-12-14 11:35:06,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:35:06,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:35:06,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:35:06,458 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:35:06,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 11:35:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:35:06,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-14 11:35:06,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:35:06,554 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 [2022-12-14 11:35:06,574 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 11:35:06,574 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 [2022-12-14 11:35:06,580 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 [2022-12-14 11:35:06,593 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:35:06,593 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 29 [2022-12-14 11:35:06,613 INFO L321 Elim1Store]: treesize reduction 30, result has 37.5 percent of original size [2022-12-14 11:35:06,613 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 21 treesize of output 29 [2022-12-14 11:35:06,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:06,624 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 [2022-12-14 11:35:06,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:06,735 INFO L321 Elim1Store]: treesize reduction 10, result has 68.8 percent of original size [2022-12-14 11:35:06,735 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 6 case distinctions, treesize of input 46 treesize of output 41 [2022-12-14 11:35:06,811 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 11:35:06,811 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 12 treesize of output 18 [2022-12-14 11:35:06,842 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 12 treesize of output 14 [2022-12-14 11:35:06,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:35:06,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:35:07,328 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:35:07,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 229 treesize of output 293 [2022-12-14 11:35:08,013 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8))) (and (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_13| Int)) (or (forall ((v_ArrVal_850 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_65| Int)) (let ((.cse0 (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_850) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_13|) |v_ULTIMATE.start_main_~list~0#1.offset_65|))) (or (= |c_ULTIMATE.start_main_~list~0#1.base| .cse0) (forall ((v_prenex_3 Int)) (or (forall ((v_prenex_5 Int) (v_prenex_4 (Array Int Int))) (or (not (<= v_prenex_5 |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 v_prenex_5)) (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5))))) (= .cse0 v_prenex_3) (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3))) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_13| .cse0)))) (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_13|))) (or (forall ((v_prenex_5 Int) (v_prenex_3 Int) (v_prenex_4 (Array Int Int))) (or (not (<= v_prenex_5 |c_ULTIMATE.start_main_~y~0#1.offset|)) (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3) (not (<= 0 v_prenex_5)) (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5))))) (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_13| Int) (v_ArrVal_850 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_65| Int)) (or (= |c_ULTIMATE.start_main_~list~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_850) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_13|) |v_ULTIMATE.start_main_~list~0#1.offset_65|)) (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_13|)))) (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_13| Int) (v_ArrVal_850 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_65| Int)) (or (forall ((v_prenex_5 Int) (v_prenex_3 Int) (v_prenex_4 (Array Int Int))) (or (not (<= v_prenex_5 |c_ULTIMATE.start_main_~y~0#1.offset|)) (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3) (not (<= 0 v_prenex_5)) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_13| v_prenex_3) (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5))))) (= |c_ULTIMATE.start_main_~list~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_850) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_13|) |v_ULTIMATE.start_main_~list~0#1.offset_65|)) (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_13|))) (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_13| Int) (v_ArrVal_850 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_65| Int)) (let ((.cse2 (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_850) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_13|))) (let ((.cse3 (select .cse2 |v_ULTIMATE.start_main_~list~0#1.offset_65|))) (or (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_65| |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (= (select .cse2 8) .cse3)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_65|)) (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_13|) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_13| .cse3))))) (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_13| Int) (v_ArrVal_850 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_65| Int)) (let ((.cse4 (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_850) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_13|) |v_ULTIMATE.start_main_~list~0#1.offset_65|))) (or (forall ((v_prenex_5 Int) (v_prenex_3 Int) (v_prenex_4 (Array Int Int))) (or (not (<= v_prenex_5 |c_ULTIMATE.start_main_~y~0#1.offset|)) (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3) (not (<= 0 v_prenex_5)) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_13| v_prenex_3) (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5))))) (= |c_ULTIMATE.start_main_~list~0#1.base| .cse4) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_13| .cse4)))) (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_13| Int) (v_ArrVal_850 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_65| Int)) (let ((.cse5 (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_850) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_13|) |v_ULTIMATE.start_main_~list~0#1.offset_65|))) (or (forall ((v_prenex_3 Int)) (or (forall ((v_prenex_5 Int) (v_prenex_4 (Array Int Int))) (or (not (<= v_prenex_5 |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 v_prenex_5)) (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5))))) (= .cse5 v_prenex_3) (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3))) (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_13|) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_13| .cse5)))) (forall ((v_prenex_5 Int) (|v_ULTIMATE.start_main_#t~malloc8#1.base_13| Int) (v_prenex_3 Int) (v_ArrVal_850 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_65| Int) (v_prenex_4 (Array Int Int))) (or (= (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_850) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_13|) |v_ULTIMATE.start_main_~list~0#1.offset_65|) v_prenex_3) (not (<= v_prenex_5 |c_ULTIMATE.start_main_~y~0#1.offset|)) (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3) (not (<= 0 v_prenex_5)) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_13| v_prenex_3) (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5))))) (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_13| Int) (v_ArrVal_850 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_65| Int)) (or (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_65| |c_ULTIMATE.start_main_~y~0#1.offset|)) (= |c_ULTIMATE.start_main_~list~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_850) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_13|) |v_ULTIMATE.start_main_~list~0#1.offset_65|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_65|)) (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_13|))) (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_13| Int) (v_ArrVal_850 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_65| Int)) (let ((.cse6 (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_850) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_13|) |v_ULTIMATE.start_main_~list~0#1.offset_65|))) (or (= |c_ULTIMATE.start_main_~list~0#1.base| .cse6) (forall ((v_prenex_5 Int) (v_prenex_3 Int) (v_prenex_4 (Array Int Int))) (or (= .cse6 v_prenex_3) (not (<= v_prenex_5 |c_ULTIMATE.start_main_~y~0#1.offset|)) (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3) (not (<= 0 v_prenex_5)) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_13| v_prenex_3) (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5)))))))) (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_13| Int)) (or (forall ((v_ArrVal_850 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_65| Int)) (let ((.cse7 (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_850) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_13|) |v_ULTIMATE.start_main_~list~0#1.offset_65|))) (or (= |c_ULTIMATE.start_main_~list~0#1.base| .cse7) (forall ((v_prenex_5 Int) (v_prenex_3 Int) (v_prenex_4 (Array Int Int))) (or (= .cse7 v_prenex_3) (not (<= v_prenex_5 |c_ULTIMATE.start_main_~y~0#1.offset|)) (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3) (not (<= 0 v_prenex_5)) (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5)))))))) (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_13|))))) is different from false [2022-12-14 11:35:08,096 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:35:08,097 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 1 case distinctions, treesize of input 48 treesize of output 40 [2022-12-14 11:35:08,100 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 74 treesize of output 68 [2022-12-14 11:35:08,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:08,105 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 27 treesize of output 25 [2022-12-14 11:35:08,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:08,123 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:35:08,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 54 treesize of output 72 [2022-12-14 11:35:08,131 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 26 treesize of output 24 [2022-12-14 11:35:08,177 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:35:08,177 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 1 case distinctions, treesize of input 71 treesize of output 1 [2022-12-14 11:35:08,183 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:35:08,183 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 1 case distinctions, treesize of input 71 treesize of output 1 [2022-12-14 11:35:08,187 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:35:08,187 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 68 treesize of output 1 [2022-12-14 11:35:08,193 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:35:08,193 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 1 case distinctions, treesize of input 94 treesize of output 1 [2022-12-14 11:35:08,198 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:35:08,198 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 1 case distinctions, treesize of input 48 treesize of output 1 [2022-12-14 11:35:08,203 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:35:08,203 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 48 treesize of output 1 [2022-12-14 11:35:08,208 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:35:08,208 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 23 treesize of output 1 [2022-12-14 11:35:08,214 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:35:08,214 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 71 treesize of output 1 [2022-12-14 11:35:08,219 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:35:08,220 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 71 treesize of output 1 [2022-12-14 11:35:08,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:35:08,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901384294] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:35:08,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [613599203] [2022-12-14 11:35:08,275 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2022-12-14 11:35:08,275 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:35:08,276 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:35:08,276 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:35:08,276 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:35:08,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,292 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 [2022-12-14 11:35:08,302 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 [2022-12-14 11:35:08,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,307 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 [2022-12-14 11:35:08,313 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 [2022-12-14 11:35:08,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,324 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 [2022-12-14 11:35:08,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,330 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 [2022-12-14 11:35:08,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,336 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 [2022-12-14 11:35:08,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,350 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 32 treesize of output 34 [2022-12-14 11:35:08,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,357 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 30 treesize of output 32 [2022-12-14 11:35:08,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,364 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 [2022-12-14 11:35:08,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,387 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 22 treesize of output 30 [2022-12-14 11:35:08,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,400 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 [2022-12-14 11:35:08,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,408 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 33 treesize of output 38 [2022-12-14 11:35:08,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,419 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 33 treesize of output 38 [2022-12-14 11:35:08,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:08,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 43 [2022-12-14 11:35:08,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,445 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 [2022-12-14 11:35:08,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:08,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 43 [2022-12-14 11:35:08,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,484 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 41 treesize of output 48 [2022-12-14 11:35:08,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,503 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 44 treesize of output 52 [2022-12-14 11:35:08,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 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 [2022-12-14 11:35:08,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,526 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 [2022-12-14 11:35:08,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,580 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 49 treesize of output 61 [2022-12-14 11:35:08,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,595 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 [2022-12-14 11:35:08,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:08,627 INFO L321 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2022-12-14 11:35:08,628 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 6 new quantified variables, introduced 11 case distinctions, treesize of input 270 treesize of output 180 [2022-12-14 11:35:08,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 72 [2022-12-14 11:35:08,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,664 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 [2022-12-14 11:35:08,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:08,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:08,693 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-12-14 11:35:08,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 279 treesize of output 192 [2022-12-14 11:35:08,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 84 [2022-12-14 11:35:08,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 26 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 74 [2022-12-14 11:35:08,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,791 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 [2022-12-14 11:35:08,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:08,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:08,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:08,829 INFO L321 Elim1Store]: treesize reduction 74, result has 18.7 percent of original size [2022-12-14 11:35:08,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 345 treesize of output 241 [2022-12-14 11:35:08,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:08,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 96 [2022-12-14 11:35:09,303 INFO L321 Elim1Store]: treesize reduction 492, result has 11.2 percent of original size [2022-12-14 11:35:09,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 966 treesize of output 962 [2022-12-14 11:35:09,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:09,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:09,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:09,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:09,450 INFO L321 Elim1Store]: treesize reduction 104, result has 17.5 percent of original size [2022-12-14 11:35:09,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 31 case distinctions, treesize of input 1107 treesize of output 639 [2022-12-14 11:35:09,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:09,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:09,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:09,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:09,571 INFO L321 Elim1Store]: treesize reduction 200, result has 14.5 percent of original size [2022-12-14 11:35:09,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 1107 treesize of output 1093 [2022-12-14 11:35:09,625 INFO L321 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-12-14 11:35:09,626 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 1111 treesize of output 1094 [2022-12-14 11:35:09,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:09,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:09,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:09,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:09,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:09,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:09,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:09,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:09,771 INFO L321 Elim1Store]: treesize reduction 112, result has 11.8 percent of original size [2022-12-14 11:35:09,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 37 case distinctions, treesize of input 1116 treesize of output 651 [2022-12-14 11:35:09,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:09,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:09,790 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 1115 treesize of output 1094 [2022-12-14 11:35:09,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:09,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:09,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:09,864 INFO L321 Elim1Store]: treesize reduction 220, result has 10.9 percent of original size [2022-12-14 11:35:09,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 1116 treesize of output 1105 [2022-12-14 11:35:09,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:09,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:10,263 INFO L321 Elim1Store]: treesize reduction 560, result has 9.2 percent of original size [2022-12-14 11:35:10,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 33 case distinctions, treesize of input 1121 treesize of output 1116 [2022-12-14 11:35:10,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:10,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:10,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:10,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:10,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:10,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:10,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:10,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:10,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:10,453 INFO L321 Elim1Store]: treesize reduction 146, result has 14.1 percent of original size [2022-12-14 11:35:10,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 45 case distinctions, treesize of input 1283 treesize of output 749 [2022-12-14 11:35:10,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:10,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:10,477 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 1297 treesize of output 1276 [2022-12-14 11:35:10,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:10,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:10,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:10,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:10,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:10,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:10,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:10,575 INFO L321 Elim1Store]: treesize reduction 266, result has 11.9 percent of original size [2022-12-14 11:35:10,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 39 case distinctions, treesize of input 1307 treesize of output 1299 [2022-12-14 11:35:10,648 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 12 treesize of output 9 [2022-12-14 11:35:10,651 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 [2022-12-14 11:35:10,655 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 15 treesize of output 1 [2022-12-14 11:35:10,657 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 [2022-12-14 11:35:10,660 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 [2022-12-14 11:35:10,666 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 [2022-12-14 11:35:10,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:10,670 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 [2022-12-14 11:35:10,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:10,675 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 [2022-12-14 11:35:10,707 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-12-14 11:35:10,707 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 3 case distinctions, treesize of input 26 treesize of output 45 [2022-12-14 11:35:10,741 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-12-14 11:35:10,742 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 22 treesize of output 33 [2022-12-14 11:35:10,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:10,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:10,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:10,755 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:35:10,756 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:35:10,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:10,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:10,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:10,769 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:35:10,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:35:10,776 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 19 treesize of output 1 [2022-12-14 11:35:10,899 INFO L321 Elim1Store]: treesize reduction 31, result has 32.6 percent of original size [2022-12-14 11:35:10,899 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 39 treesize of output 43 [2022-12-14 11:35:10,947 INFO L321 Elim1Store]: treesize reduction 36, result has 37.9 percent of original size [2022-12-14 11:35:10,948 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 23 treesize of output 33 [2022-12-14 11:35:11,022 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 0 case distinctions, treesize of input 16 treesize of output 13 [2022-12-14 11:35:11,041 INFO L321 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2022-12-14 11:35:11,041 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 21 treesize of output 29 [2022-12-14 11:35:11,101 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 0 case distinctions, treesize of input 16 treesize of output 13 [2022-12-14 11:35:11,119 INFO L321 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2022-12-14 11:35:11,119 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 21 treesize of output 29 [2022-12-14 11:35:11,201 INFO L321 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-12-14 11:35:11,201 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 169 treesize of output 203 [2022-12-14 11:35:11,385 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 12 treesize of output 9 [2022-12-14 11:35:11,403 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 12 treesize of output 9 [2022-12-14 11:35:11,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:11,410 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 12 treesize of output 1 [2022-12-14 11:35:11,420 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 12 treesize of output 9 [2022-12-14 11:35:11,439 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 12 treesize of output 9 [2022-12-14 11:35:11,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:11,451 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 12 treesize of output 1 [2022-12-14 11:35:11,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:11,458 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 12 treesize of output 1 [2022-12-14 11:35:11,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:11,464 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 12 treesize of output 1 [2022-12-14 11:35:11,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:11,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:11,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:11,551 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:35:11,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 4 case distinctions, treesize of input 602 treesize of output 579 [2022-12-14 11:35:11,579 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 11:35:11,579 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 594 treesize of output 573 [2022-12-14 11:35:11,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:11,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:11,601 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:35:11,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 578 treesize of output 555 [2022-12-14 11:35:12,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:12,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:12,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:12,068 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:35:12,069 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 3 case distinctions, treesize of input 1166 treesize of output 1097 [2022-12-14 11:35:12,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:12,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:12,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:12,101 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:35:12,101 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 3 case distinctions, treesize of input 1130 treesize of output 1061 [2022-12-14 11:35:12,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:12,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:12,126 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 1093 treesize of output 1048 [2022-12-14 11:35:12,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:12,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:12,381 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-12-14 11:35:12,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1063 treesize of output 980 [2022-12-14 11:35:13,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:13,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:13,067 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:35:13,067 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 1 case distinctions, treesize of input 22 treesize of output 25 [2022-12-14 11:35:13,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:13,128 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-12-14 11:35:13,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:13,138 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-12-14 11:35:13,159 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:35:13,182 WARN L193 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:35:13,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:13,208 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 [2022-12-14 11:35:13,230 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:35:13,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:13,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:13,255 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:35:13,255 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 1 case distinctions, treesize of input 22 treesize of output 25 [2022-12-14 11:35:13,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:13,271 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-12-14 11:35:13,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:13,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:13,322 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:35:13,322 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 1 case distinctions, treesize of input 22 treesize of output 25 [2022-12-14 11:35:13,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:13,352 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-12-14 11:35:13,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:13,380 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-12-14 11:35:13,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:13,413 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-12-14 11:35:13,431 WARN L193 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:35:13,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:13,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:13,476 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 [2022-12-14 11:35:13,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:13,499 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-12-14 11:35:13,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:13,563 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:35:13,563 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 1 case distinctions, treesize of input 22 treesize of output 25 [2022-12-14 11:35:13,589 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:35:13,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:13,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:13,618 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:35:13,618 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 1 case distinctions, treesize of input 22 treesize of output 25 [2022-12-14 11:35:13,639 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:35:13,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:13,674 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-12-14 11:35:13,693 WARN L193 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:35:13,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:13,713 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-12-14 11:35:13,735 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:35:13,830 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:35:15,525 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3432#(and (not (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 11:35:15,525 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:35:15,525 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:35:15,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 14] total 32 [2022-12-14 11:35:15,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773036764] [2022-12-14 11:35:15,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:35:15,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-12-14 11:35:15,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:35:15,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-12-14 11:35:15,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=2548, Unknown=1, NotChecked=104, Total=2970 [2022-12-14 11:35:15,526 INFO L87 Difference]: Start difference. First operand 75 states and 87 transitions. Second operand has 34 states, 33 states have (on average 1.9393939393939394) internal successors, (64), 33 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) [2022-12-14 11:35:20,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-14 11:35:23,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-14 11:35:24,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:35:24,237 INFO L93 Difference]: Finished difference Result 84 states and 93 transitions. [2022-12-14 11:35:24,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-12-14 11:35:24,238 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 1.9393939393939394) internal successors, (64), 33 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 26 [2022-12-14 11:35:24,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:35:24,238 INFO L225 Difference]: With dead ends: 84 [2022-12-14 11:35:24,238 INFO L226 Difference]: Without dead ends: 84 [2022-12-14 11:35:24,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1817 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=754, Invalid=4650, Unknown=2, NotChecked=144, Total=5550 [2022-12-14 11:35:24,239 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 167 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 56 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 57 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:35:24,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 148 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 587 Invalid, 7 Unknown, 57 Unchecked, 4.4s Time] [2022-12-14 11:35:24,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-12-14 11:35:24,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 69. [2022-12-14 11:35:24,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 68 states have internal predecessors, (79), 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) [2022-12-14 11:35:24,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 79 transitions. [2022-12-14 11:35:24,241 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 79 transitions. Word has length 26 [2022-12-14 11:35:24,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:35:24,242 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 79 transitions. [2022-12-14 11:35:24,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 1.9393939393939394) internal successors, (64), 33 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) [2022-12-14 11:35:24,242 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2022-12-14 11:35:24,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 11:35:24,242 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:35:24,243 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:35:24,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 11:35:24,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:35:24,444 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-12-14 11:35:24,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:35:24,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1221816285, now seen corresponding path program 1 times [2022-12-14 11:35:24,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:35:24,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769085967] [2022-12-14 11:35:24,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:35:24,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:35:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:35:25,022 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:35:25,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:35:25,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769085967] [2022-12-14 11:35:25,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769085967] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:35:25,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791809217] [2022-12-14 11:35:25,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:35:25,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:35:25,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:35:25,023 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:35:25,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 11:35:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:35:25,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 60 conjunts are in the unsatisfiable core [2022-12-14 11:35:25,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:35:25,106 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 [2022-12-14 11:35:25,117 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 [2022-12-14 11:35:25,121 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 [2022-12-14 11:35:25,138 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 11:35:25,139 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 [2022-12-14 11:35:25,164 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 [2022-12-14 11:35:25,170 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 [2022-12-14 11:35:25,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:25,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:25,207 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:35:25,208 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 1 case distinctions, treesize of input 85 treesize of output 62 [2022-12-14 11:35:25,219 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 11:35:25,219 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 44 treesize of output 41 [2022-12-14 11:35:25,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:25,266 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 48 [2022-12-14 11:35:25,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:25,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:25,276 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 11:35:25,277 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 59 treesize of output 48 [2022-12-14 11:35:25,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:25,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:25,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:25,640 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 11:35:25,640 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 62 treesize of output 34 [2022-12-14 11:35:25,705 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:35:25,705 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:35:40,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:40,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:40,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:40,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:40,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:40,821 INFO L321 Elim1Store]: treesize reduction 206, result has 50.8 percent of original size [2022-12-14 11:35:40,822 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 1761 treesize of output 1098 [2022-12-14 11:35:40,988 INFO L321 Elim1Store]: treesize reduction 239, result has 21.4 percent of original size [2022-12-14 11:35:40,988 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 13800 treesize of output 3511 [2022-12-14 11:35:41,112 INFO L321 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2022-12-14 11:35:41,112 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 3068 treesize of output 2834 [2022-12-14 11:35:41,188 INFO L321 Elim1Store]: treesize reduction 17, result has 51.4 percent of original size [2022-12-14 11:35:41,189 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 2845 treesize of output 2607 [2022-12-14 11:35:41,236 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 13 treesize of output 4 [2022-12-14 11:35:41,269 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 13 treesize of output 4 [2022-12-14 11:35:41,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:41,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:41,705 INFO L321 Elim1Store]: treesize reduction 34, result has 30.6 percent of original size [2022-12-14 11:35:41,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 1211 treesize of output 1095 [2022-12-14 11:35:41,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:41,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:41,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:41,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:41,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:41,920 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:35:41,920 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 130 treesize of output 90 [2022-12-14 11:35:41,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:41,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:41,988 INFO L321 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2022-12-14 11:35:41,988 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 1 new quantified variables, introduced 3 case distinctions, treesize of input 722 treesize of output 1 [2022-12-14 11:35:42,115 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:35:42,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791809217] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:35:42,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2146127504] [2022-12-14 11:35:42,116 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2022-12-14 11:35:42,116 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:35:42,117 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:35:42,117 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:35:42,117 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:35:42,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,136 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 [2022-12-14 11:35:42,151 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 [2022-12-14 11:35:42,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,162 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 [2022-12-14 11:35:42,173 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 [2022-12-14 11:35:42,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,195 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 [2022-12-14 11:35:42,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,206 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 [2022-12-14 11:35:42,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,218 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 [2022-12-14 11:35:42,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,246 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 30 treesize of output 32 [2022-12-14 11:35:42,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,258 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 32 treesize of output 34 [2022-12-14 11:35:42,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,272 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 [2022-12-14 11:35:42,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,312 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 [2022-12-14 11:35:42,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,339 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 39 treesize of output 44 [2022-12-14 11:35:42,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,359 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 37 treesize of output 42 [2022-12-14 11:35:42,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,374 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 [2022-12-14 11:35:42,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 47 [2022-12-14 11:35:42,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 45 [2022-12-14 11:35:42,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,439 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 [2022-12-14 11:35:42,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2022-12-14 11:35:42,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,486 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 [2022-12-14 11:35:42,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 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 [2022-12-14 11:35:42,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,567 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 46 treesize of output 51 [2022-12-14 11:35:42,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,588 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 [2022-12-14 11:35:42,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,612 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 11:35:42,613 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 8 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 126 [2022-12-14 11:35:42,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:42,664 INFO L321 Elim1Store]: treesize reduction 52, result has 26.8 percent of original size [2022-12-14 11:35:42,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 222 treesize of output 176 [2022-12-14 11:35:42,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,697 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 [2022-12-14 11:35:42,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,727 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 11:35:42,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 143 treesize of output 138 [2022-12-14 11:35:42,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:42,769 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-12-14 11:35:42,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 193 treesize of output 150 [2022-12-14 11:35:42,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,809 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 [2022-12-14 11:35:42,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:42,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:42,873 INFO L321 Elim1Store]: treesize reduction 72, result has 17.2 percent of original size [2022-12-14 11:35:42,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 202 treesize of output 162 [2022-12-14 11:35:42,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:42,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 96 [2022-12-14 11:35:43,199 INFO L321 Elim1Store]: treesize reduction 226, result has 14.4 percent of original size [2022-12-14 11:35:43,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 case distinctions, treesize of input 692 treesize of output 690 [2022-12-14 11:35:43,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:43,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:43,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:43,355 INFO L321 Elim1Store]: treesize reduction 104, result has 17.5 percent of original size [2022-12-14 11:35:43,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 31 case distinctions, treesize of input 765 treesize of output 505 [2022-12-14 11:35:43,405 INFO L321 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-12-14 11:35:43,406 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 769 treesize of output 752 [2022-12-14 11:35:43,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:43,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:43,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:43,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:43,564 INFO L321 Elim1Store]: treesize reduction 200, result has 14.5 percent of original size [2022-12-14 11:35:43,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 765 treesize of output 751 [2022-12-14 11:35:43,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:43,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:43,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:43,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:43,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:43,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:43,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:43,728 INFO L321 Elim1Store]: treesize reduction 112, result has 11.8 percent of original size [2022-12-14 11:35:43,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 37 case distinctions, treesize of input 774 treesize of output 517 [2022-12-14 11:35:43,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:43,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:43,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:43,858 INFO L321 Elim1Store]: treesize reduction 220, result has 10.9 percent of original size [2022-12-14 11:35:43,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 774 treesize of output 763 [2022-12-14 11:35:43,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:43,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:43,882 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 773 treesize of output 752 [2022-12-14 11:35:43,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:43,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:43,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:43,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:43,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:43,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:43,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:43,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:43,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:44,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:44,093 INFO L321 Elim1Store]: treesize reduction 146, result has 14.1 percent of original size [2022-12-14 11:35:44,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 45 case distinctions, treesize of input 783 treesize of output 529 [2022-12-14 11:35:44,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:44,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:44,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:44,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:44,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:44,138 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:44,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:44,271 INFO L321 Elim1Store]: treesize reduction 272, result has 11.7 percent of original size [2022-12-14 11:35:44,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 39 case distinctions, treesize of input 785 treesize of output 777 [2022-12-14 11:35:44,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:44,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:44,295 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 773 treesize of output 752 [2022-12-14 11:35:44,360 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 [2022-12-14 11:35:44,366 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 12 treesize of output 9 [2022-12-14 11:35:44,375 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 [2022-12-14 11:35:44,382 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 15 treesize of output 1 [2022-12-14 11:35:44,387 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 [2022-12-14 11:35:44,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:44,403 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 [2022-12-14 11:35:44,411 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 [2022-12-14 11:35:44,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:44,422 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 [2022-12-14 11:35:44,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:44,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:44,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:44,444 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:35:44,445 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:35:44,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:44,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:44,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:44,463 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:35:44,463 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 11:35:44,472 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 19 treesize of output 1 [2022-12-14 11:35:44,569 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 12 treesize of output 9 [2022-12-14 11:35:44,643 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 11:35:44,644 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 [2022-12-14 11:35:44,725 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 11:35:44,725 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 [2022-12-14 11:35:44,885 INFO L321 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-12-14 11:35:44,885 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 169 treesize of output 203 [2022-12-14 11:35:45,089 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 12 treesize of output 9 [2022-12-14 11:35:45,099 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 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 11:35:45,109 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 12 treesize of output 9 [2022-12-14 11:35:45,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:45,122 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 12 treesize of output 1 [2022-12-14 11:35:45,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:45,138 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 12 treesize of output 1 [2022-12-14 11:35:45,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:45,157 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 12 treesize of output 1 [2022-12-14 11:35:45,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:45,168 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 12 treesize of output 1 [2022-12-14 11:35:45,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:45,185 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 12 treesize of output 1 [2022-12-14 11:35:45,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:45,199 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 12 treesize of output 1 [2022-12-14 11:35:45,286 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:35:45,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 512 treesize of output 497 [2022-12-14 11:35:45,329 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 11:35:45,330 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 504 treesize of output 483 [2022-12-14 11:35:45,373 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:35:45,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 488 treesize of output 473 [2022-12-14 11:35:46,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:46,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:46,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:46,042 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:35:46,042 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 3 case distinctions, treesize of input 2174 treesize of output 2047 [2022-12-14 11:35:46,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:46,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:46,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:46,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:46,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:35:46,106 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:35:46,106 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 3 case distinctions, treesize of input 2118 treesize of output 1991 [2022-12-14 11:35:46,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:46,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:35:46,163 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 2061 treesize of output 1976 [2022-12-14 11:35:46,560 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:35:51,713 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3830#(and (exists ((|v_ULTIMATE.start_main_~list~0#1.base_83| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_88| Int)) (and (<= (+ 4 |v_ULTIMATE.start_main_~list~0#1.offset_88|) (select |#length| |v_ULTIMATE.start_main_~list~0#1.base_83|)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_83|) |v_ULTIMATE.start_main_~list~0#1.offset_88|) |ULTIMATE.start_main_~list~0#1.base|) (= (select |#valid| |v_ULTIMATE.start_main_~list~0#1.base_83|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_83|) |v_ULTIMATE.start_main_~list~0#1.offset_88|)) (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_88|))) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= 0 (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) (= |ULTIMATE.start_main_#t~mem11#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (<= (+ 12 |ULTIMATE.start_main_~y~0#1.offset|) (select |#length| |ULTIMATE.start_main_~y~0#1.base|)) (or (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)))) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_#t~mem11#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (<= 0 |#StackHeapBarrier|) (not (= |ULTIMATE.start_main_#t~mem11#1.offset| 0)) (= |#NULL.base| 0))' at error location [2022-12-14 11:35:51,713 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:35:51,713 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:35:51,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 13] total 33 [2022-12-14 11:35:51,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770065350] [2022-12-14 11:35:51,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:35:51,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-12-14 11:35:51,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:35:51,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-12-14 11:35:51,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=2577, Unknown=4, NotChecked=0, Total=2862 [2022-12-14 11:35:51,714 INFO L87 Difference]: Start difference. First operand 69 states and 79 transitions. Second operand has 34 states, 34 states have (on average 2.1470588235294117) internal successors, (73), 33 states have internal predecessors, (73), 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) [2022-12-14 11:36:08,939 WARN L233 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 105 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:36:11,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-14 11:36:13,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-14 11:36:21,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-14 11:36:22,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-14 11:36:30,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-14 11:36:33,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-14 11:36:35,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-14 11:36:46,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-14 11:36:48,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-14 11:36:50,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-14 11:36:53,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:36:53,358 INFO L93 Difference]: Finished difference Result 123 states and 135 transitions. [2022-12-14 11:36:53,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-12-14 11:36:53,358 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.1470588235294117) internal successors, (73), 33 states have internal predecessors, (73), 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 26 [2022-12-14 11:36:53,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:36:53,359 INFO L225 Difference]: With dead ends: 123 [2022-12-14 11:36:53,359 INFO L226 Difference]: Without dead ends: 123 [2022-12-14 11:36:53,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1890 ImplicationChecksByTransitivity, 58.4s TimeCoverageRelationStatistics Valid=769, Invalid=5701, Unknown=10, NotChecked=0, Total=6480 [2022-12-14 11:36:53,360 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 214 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 73 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:36:53,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 194 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 720 Invalid, 9 Unknown, 0 Unchecked, 23.1s Time] [2022-12-14 11:36:53,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2022-12-14 11:36:53,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2022-12-14 11:36:53,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 87 states have (on average 1.2873563218390804) internal successors, (112), 98 states have internal predecessors, (112), 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) [2022-12-14 11:36:53,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2022-12-14 11:36:53,362 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 26 [2022-12-14 11:36:53,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:36:53,363 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2022-12-14 11:36:53,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.1470588235294117) internal successors, (73), 33 states have internal predecessors, (73), 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) [2022-12-14 11:36:53,363 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2022-12-14 11:36:53,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 11:36:53,363 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:36:53,363 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:36:53,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-12-14 11:36:53,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:36:53,565 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-12-14 11:36:53,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:36:53,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1221805300, now seen corresponding path program 1 times [2022-12-14 11:36:53,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:36:53,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884884102] [2022-12-14 11:36:53,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:36:53,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:36:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:36:53,811 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:36:53,811 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:36:53,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884884102] [2022-12-14 11:36:53,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884884102] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:36:53,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484723963] [2022-12-14 11:36:53,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:36:53,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:36:53,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:36:53,813 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:36:53,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 11:36:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:36:53,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 11:36:53,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:36:53,912 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 [2022-12-14 11:36:53,960 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 11:36:53,960 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 [2022-12-14 11:36:54,007 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 [2022-12-14 11:36:54,063 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 14 treesize of output 16 [2022-12-14 11:36:54,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:54,176 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 40 [2022-12-14 11:36:54,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:54,363 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:36:54,363 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 43 treesize of output 30 [2022-12-14 11:36:54,402 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:36:54,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:36:54,749 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~list~0#1.offset_91| Int) (v_ArrVal_1040 (Array Int Int))) (or (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_91|)) (< (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1040) |c_ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_91|) |c_#StackHeapBarrier|) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_91| |c_ULTIMATE.start_main_~y~0#1.offset|)))) is different from false [2022-12-14 11:36:54,761 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:36:54,761 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 18 treesize of output 19 [2022-12-14 11:36:54,776 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:36:54,777 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 30 treesize of output 30 [2022-12-14 11:36:54,782 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 9 treesize of output 7 [2022-12-14 11:36:55,040 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:36:55,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484723963] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:36:55,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1103631599] [2022-12-14 11:36:55,043 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-12-14 11:36:55,043 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:36:55,043 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:36:55,043 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:36:55,043 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:36:55,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,063 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 [2022-12-14 11:36:55,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,086 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 [2022-12-14 11:36:55,095 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 [2022-12-14 11:36:55,102 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 [2022-12-14 11:36:55,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,120 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 [2022-12-14 11:36:55,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,130 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 [2022-12-14 11:36:55,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,140 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 [2022-12-14 11:36:55,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,161 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 32 treesize of output 34 [2022-12-14 11:36:55,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,175 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 30 treesize of output 32 [2022-12-14 11:36:55,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,187 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 [2022-12-14 11:36:55,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,226 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 [2022-12-14 11:36:55,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,249 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 39 treesize of output 44 [2022-12-14 11:36:55,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,266 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 37 treesize of output 42 [2022-12-14 11:36:55,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,279 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 [2022-12-14 11:36:55,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 47 [2022-12-14 11:36:55,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 45 [2022-12-14 11:36:55,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,341 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 [2022-12-14 11:36:55,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,365 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 [2022-12-14 11:36:55,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2022-12-14 11:36:55,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 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 [2022-12-14 11:36:55,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,451 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 [2022-12-14 11:36:55,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,475 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 [2022-12-14 11:36:55,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:55,533 INFO L321 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2022-12-14 11:36:55,533 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 6 new quantified variables, introduced 11 case distinctions, treesize of input 186 treesize of output 140 [2022-12-14 11:36:55,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2022-12-14 11:36:55,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,587 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 [2022-12-14 11:36:55,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:55,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:55,635 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-12-14 11:36:55,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 195 treesize of output 152 [2022-12-14 11:36:55,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 86 [2022-12-14 11:36:55,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,715 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 [2022-12-14 11:36:55,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:55,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:55,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:55,773 INFO L321 Elim1Store]: treesize reduction 74, result has 18.7 percent of original size [2022-12-14 11:36:55,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 199 treesize of output 164 [2022-12-14 11:36:55,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:55,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 100 [2022-12-14 11:36:56,088 INFO L321 Elim1Store]: treesize reduction 254, result has 14.2 percent of original size [2022-12-14 11:36:56,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 case distinctions, treesize of input 862 treesize of output 848 [2022-12-14 11:36:56,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:56,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:56,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:56,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:56,433 INFO L321 Elim1Store]: treesize reduction 422, result has 11.0 percent of original size [2022-12-14 11:36:56,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 33 case distinctions, treesize of input 943 treesize of output 591 [2022-12-14 11:36:56,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:56,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:56,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:56,637 INFO L321 Elim1Store]: treesize reduction 426, result has 10.1 percent of original size [2022-12-14 11:36:56,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 32 case distinctions, treesize of input 943 treesize of output 785 [2022-12-14 11:36:56,699 INFO L321 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-12-14 11:36:56,699 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 947 treesize of output 930 [2022-12-14 11:36:56,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:56,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:56,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:56,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:56,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:56,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:56,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:56,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:56,950 INFO L321 Elim1Store]: treesize reduction 474, result has 8.7 percent of original size [2022-12-14 11:36:56,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 39 case distinctions, treesize of input 952 treesize of output 603 [2022-12-14 11:36:56,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:56,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:56,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:56,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:56,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:56,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:57,160 INFO L321 Elim1Store]: treesize reduction 486, result has 7.8 percent of original size [2022-12-14 11:36:57,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 5 disjoint index pairs (out of 36 index pairs), introduced 13 new quantified variables, introduced 39 case distinctions, treesize of input 952 treesize of output 797 [2022-12-14 11:36:57,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:57,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:57,185 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 951 treesize of output 930 [2022-12-14 11:36:57,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:57,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:57,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:57,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:57,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:57,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:57,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:57,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:57,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:57,531 INFO L321 Elim1Store]: treesize reduction 552, result has 8.9 percent of original size [2022-12-14 11:36:57,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 9 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 47 case distinctions, treesize of input 961 treesize of output 615 [2022-12-14 11:36:57,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:57,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:57,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:57,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:57,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:57,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:57,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:57,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:57,788 INFO L321 Elim1Store]: treesize reduction 576, result has 8.0 percent of original size [2022-12-14 11:36:57,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 14 new quantified variables, introduced 47 case distinctions, treesize of input 963 treesize of output 811 [2022-12-14 11:36:57,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:57,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:57,812 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 951 treesize of output 930 [2022-12-14 11:36:57,880 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 12 treesize of output 9 [2022-12-14 11:36:57,885 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 [2022-12-14 11:36:57,892 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:36:57,898 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 15 treesize of output 1 [2022-12-14 11:36:57,903 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 [2022-12-14 11:36:57,914 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 [2022-12-14 11:36:57,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:57,925 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 [2022-12-14 11:36:57,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:57,936 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 [2022-12-14 11:36:57,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:57,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:57,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:57,957 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:36:57,957 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 11:36:57,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:57,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:57,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:57,976 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:36:57,976 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:36:57,985 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 19 treesize of output 1 [2022-12-14 11:36:58,089 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 12 treesize of output 9 [2022-12-14 11:36:58,173 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 11:36:58,173 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 [2022-12-14 11:36:58,263 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 11:36:58,264 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 [2022-12-14 11:36:58,399 INFO L321 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-12-14 11:36:58,400 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 169 treesize of output 203 [2022-12-14 11:36:58,551 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 12 treesize of output 9 [2022-12-14 11:36:58,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:58,578 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 12 treesize of output 1 [2022-12-14 11:36:58,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:58,589 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 12 treesize of output 1 [2022-12-14 11:36:58,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:58,609 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 12 treesize of output 1 [2022-12-14 11:36:58,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:58,622 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 12 treesize of output 1 [2022-12-14 11:36:58,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:58,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:58,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:58,703 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:36:58,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 4 case distinctions, treesize of input 374 treesize of output 367 [2022-12-14 11:36:58,743 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 11:36:58,743 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 370 treesize of output 357 [2022-12-14 11:36:58,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:58,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:58,788 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:36:58,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 358 treesize of output 351 [2022-12-14 11:36:58,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:58,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:58,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:58,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:58,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:58,948 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:36:58,948 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 3 case distinctions, treesize of input 403 treesize of output 386 [2022-12-14 11:36:58,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:58,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:58,970 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 390 treesize of output 369 [2022-12-14 11:36:58,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:58,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:36:58,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:36:58,993 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:36:58,994 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 3 case distinctions, treesize of input 391 treesize of output 374 [2022-12-14 11:36:59,058 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:37:02,067 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4296#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= (+ 12 |ULTIMATE.start_main_~y~0#1.offset|) (select |#length| |ULTIMATE.start_main_~y~0#1.base|)) (not (< |ULTIMATE.start_main_~y~0#1.base| |#StackHeapBarrier|)) (= |#NULL.offset| 0) (exists ((|v_ULTIMATE.start_main_~list~0#1.base_94| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_100| Int)) (and (<= (+ |v_ULTIMATE.start_main_~list~0#1.offset_100| 4) (select |#length| |v_ULTIMATE.start_main_~list~0#1.base_94|)) (= (select |#valid| |v_ULTIMATE.start_main_~list~0#1.base_94|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_94|) |v_ULTIMATE.start_main_~list~0#1.offset_100|)) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_94|) |v_ULTIMATE.start_main_~list~0#1.offset_100|)) (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_100|))) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 11:37:02,067 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:37:02,067 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:37:02,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2022-12-14 11:37:02,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96269207] [2022-12-14 11:37:02,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:37:02,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-12-14 11:37:02,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:37:02,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-12-14 11:37:02,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=1126, Unknown=1, NotChecked=70, Total=1406 [2022-12-14 11:37:02,069 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand has 20 states, 19 states have (on average 2.789473684210526) internal successors, (53), 19 states have internal predecessors, (53), 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) [2022-12-14 11:37:03,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:37:03,953 INFO L93 Difference]: Finished difference Result 118 states and 129 transitions. [2022-12-14 11:37:03,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-14 11:37:03,954 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 2.789473684210526) internal successors, (53), 19 states have internal predecessors, (53), 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 26 [2022-12-14 11:37:03,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:37:03,954 INFO L225 Difference]: With dead ends: 118 [2022-12-14 11:37:03,954 INFO L226 Difference]: Without dead ends: 118 [2022-12-14 11:37:03,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 46 SyntacticMatches, 4 SemanticMatches, 49 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=430, Invalid=2023, Unknown=1, NotChecked=96, Total=2550 [2022-12-14 11:37:03,956 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 99 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 20 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 51 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 11:37:03,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 109 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 374 Invalid, 5 Unknown, 51 Unchecked, 0.7s Time] [2022-12-14 11:37:03,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-12-14 11:37:03,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 101. [2022-12-14 11:37:03,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 89 states have (on average 1.2808988764044944) internal successors, (114), 100 states have internal predecessors, (114), 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) [2022-12-14 11:37:03,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 114 transitions. [2022-12-14 11:37:03,960 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 114 transitions. Word has length 26 [2022-12-14 11:37:03,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:37:03,961 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 114 transitions. [2022-12-14 11:37:03,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 2.789473684210526) internal successors, (53), 19 states have internal predecessors, (53), 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) [2022-12-14 11:37:03,961 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 114 transitions. [2022-12-14 11:37:03,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 11:37:03,961 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:37:03,961 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:37:03,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-14 11:37:04,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:37:04,163 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-12-14 11:37:04,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:37:04,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1046253019, now seen corresponding path program 2 times [2022-12-14 11:37:04,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:37:04,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698826860] [2022-12-14 11:37:04,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:37:04,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:37:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:37:04,667 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:37:04,667 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:37:04,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698826860] [2022-12-14 11:37:04,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698826860] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:37:04,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022343686] [2022-12-14 11:37:04,668 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 11:37:04,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:37:04,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:37:04,669 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:37:04,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-14 11:37:04,817 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-12-14 11:37:04,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 11:37:04,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 42 conjunts are in the unsatisfiable core [2022-12-14 11:37:04,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:37:04,891 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-12-14 11:37:04,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 23 treesize of output 44 [2022-12-14 11:37:04,979 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 [2022-12-14 11:37:05,069 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:37:05,070 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 53 [2022-12-14 11:37:05,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:05,191 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 61 treesize of output 44 [2022-12-14 11:37:05,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:05,414 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 31 [2022-12-14 11:37:06,096 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:37:06,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:37:06,478 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~list~0#1.offset_103| Int)) (or (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_103| |c_ULTIMATE.start_main_~y~0#1.offset|)) (= (store (store |c_#valid| |c_ULTIMATE.start_main_~y~0#1.base| 0) (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_103|) 0) |c_ULTIMATE.start_main_old_#valid#1|) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_103|)))) is different from false [2022-12-14 11:37:06,496 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1133 Int) (|v_ULTIMATE.start_main_~list~0#1.offset_103| Int)) (or (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_103| |c_ULTIMATE.start_main_~y~0#1.offset|)) (= (store (store |c_#valid| |c_ULTIMATE.start_main_~y~0#1.base| 0) (select (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~y~0#1.base|) (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8) v_ArrVal_1133) |v_ULTIMATE.start_main_~list~0#1.offset_103|) 0) |c_ULTIMATE.start_main_old_#valid#1|) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_103|)))) is different from false [2022-12-14 11:37:06,529 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1133 Int) (v_ArrVal_1131 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_103| Int)) (or (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_103| |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_103|)) (= (store (store |c_#valid| |c_ULTIMATE.start_main_~y~0#1.base| 0) (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1131) |c_ULTIMATE.start_main_~y~0#1.base|) (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8) v_ArrVal_1133) |v_ULTIMATE.start_main_~list~0#1.offset_103|) 0) |c_ULTIMATE.start_main_old_#valid#1|))) is different from false [2022-12-14 11:37:06,543 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:37:06,543 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 33 treesize of output 34 [2022-12-14 11:37:06,549 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 56 [2022-12-14 11:37:06,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:06,557 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 19 treesize of output 17 [2022-12-14 11:37:06,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:06,576 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:37:06,576 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 27 treesize of output 31 [2022-12-14 11:37:16,885 WARN L233 SmtUtils]: Spent 10.12s on a formula simplification. DAG size of input: 41 DAG size of output: 35 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:37:23,152 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:37:23,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022343686] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:37:23,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [559921774] [2022-12-14 11:37:23,153 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2022-12-14 11:37:23,153 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:37:23,153 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:37:23,153 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:37:23,153 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:37:23,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,171 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 [2022-12-14 11:37:23,185 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 [2022-12-14 11:37:23,191 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 [2022-12-14 11:37:23,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,199 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 [2022-12-14 11:37:23,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,215 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 [2022-12-14 11:37:23,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,226 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 [2022-12-14 11:37:23,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,238 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 [2022-12-14 11:37:23,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,258 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 30 treesize of output 32 [2022-12-14 11:37:23,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,269 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 [2022-12-14 11:37:23,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,281 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 32 treesize of output 34 [2022-12-14 11:37:23,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,316 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 [2022-12-14 11:37:23,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,343 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 39 treesize of output 44 [2022-12-14 11:37:23,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,358 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 [2022-12-14 11:37:23,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,376 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 37 treesize of output 42 [2022-12-14 11:37:23,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 47 [2022-12-14 11:37:23,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,418 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 [2022-12-14 11:37:23,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 45 [2022-12-14 11:37:23,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2022-12-14 11:37:23,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,486 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 [2022-12-14 11:37:23,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 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 [2022-12-14 11:37:23,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,570 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 31 treesize of output 42 [2022-12-14 11:37:23,639 INFO L321 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2022-12-14 11:37:23,640 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 6 new quantified variables, introduced 11 case distinctions, treesize of input 184 treesize of output 138 [2022-12-14 11:37:23,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 70 [2022-12-14 11:37:23,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,686 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 [2022-12-14 11:37:23,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 82 [2022-12-14 11:37:23,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:23,765 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-12-14 11:37:23,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 193 treesize of output 150 [2022-12-14 11:37:23,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,789 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 [2022-12-14 11:37:23,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,816 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 [2022-12-14 11:37:23,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:23,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:23,891 INFO L321 Elim1Store]: treesize reduction 72, result has 17.2 percent of original size [2022-12-14 11:37:23,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 202 treesize of output 162 [2022-12-14 11:37:23,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:23,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 96 [2022-12-14 11:37:24,320 INFO L321 Elim1Store]: treesize reduction 226, result has 14.4 percent of original size [2022-12-14 11:37:24,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 case distinctions, treesize of input 772 treesize of output 758 [2022-12-14 11:37:24,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:24,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:24,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:24,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:24,638 INFO L321 Elim1Store]: treesize reduction 550, result has 9.1 percent of original size [2022-12-14 11:37:24,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 4 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 51 case distinctions, treesize of input 845 treesize of output 581 [2022-12-14 11:37:24,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:24,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:24,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:24,914 INFO L321 Elim1Store]: treesize reduction 558, result has 8.4 percent of original size [2022-12-14 11:37:24,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 4 disjoint index pairs (out of 45 index pairs), introduced 14 new quantified variables, introduced 49 case distinctions, treesize of input 917 treesize of output 795 [2022-12-14 11:37:24,969 INFO L321 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-12-14 11:37:24,970 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 917 treesize of output 900 [2022-12-14 11:37:25,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:25,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:25,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:25,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:25,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:25,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:25,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:25,243 INFO L321 Elim1Store]: treesize reduction 526, result has 7.9 percent of original size [2022-12-14 11:37:25,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 48 case distinctions, treesize of input 922 treesize of output 586 [2022-12-14 11:37:25,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:25,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:25,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:25,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:25,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:25,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:25,425 INFO L321 Elim1Store]: treesize reduction 424, result has 6.6 percent of original size [2022-12-14 11:37:25,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 5 disjoint index pairs (out of 45 index pairs), introduced 13 new quantified variables, introduced 46 case distinctions, treesize of input 922 treesize of output 801 [2022-12-14 11:37:25,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:25,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:25,456 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 921 treesize of output 900 [2022-12-14 11:37:25,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:25,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:25,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:25,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:25,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:25,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:25,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:25,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:25,811 INFO L321 Elim1Store]: treesize reduction 620, result has 9.0 percent of original size [2022-12-14 11:37:25,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 9 disjoint index pairs (out of 55 index pairs), introduced 13 new quantified variables, introduced 58 case distinctions, treesize of input 931 treesize of output 598 [2022-12-14 11:37:25,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:25,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:25,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:25,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:25,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:25,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:26,034 INFO L321 Elim1Store]: treesize reduction 532, result has 7.3 percent of original size [2022-12-14 11:37:26,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 6 disjoint index pairs (out of 55 index pairs), introduced 14 new quantified variables, introduced 56 case distinctions, treesize of input 933 treesize of output 807 [2022-12-14 11:37:26,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:26,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:26,055 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 915 treesize of output 894 [2022-12-14 11:37:26,111 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 12 treesize of output 9 [2022-12-14 11:37:26,115 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 [2022-12-14 11:37:26,121 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 15 treesize of output 1 [2022-12-14 11:37:26,127 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 [2022-12-14 11:37:26,132 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 [2022-12-14 11:37:26,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:26,146 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 [2022-12-14 11:37:26,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:26,156 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 [2022-12-14 11:37:26,163 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 [2022-12-14 11:37:26,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:26,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:26,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:26,181 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:37:26,181 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 11:37:26,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:26,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:26,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:26,196 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:37:26,196 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:37:26,203 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 19 treesize of output 1 [2022-12-14 11:37:26,298 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 12 treesize of output 9 [2022-12-14 11:37:26,378 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 11:37:26,378 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 [2022-12-14 11:37:26,481 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 11:37:26,481 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 [2022-12-14 11:37:26,634 INFO L321 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-12-14 11:37:26,635 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 169 treesize of output 203 [2022-12-14 11:37:26,836 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 12 treesize of output 9 [2022-12-14 11:37:26,847 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 12 treesize of output 9 [2022-12-14 11:37:26,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:26,877 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 12 treesize of output 1 [2022-12-14 11:37:26,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:26,908 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 12 treesize of output 1 [2022-12-14 11:37:26,926 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 12 treesize of output 9 [2022-12-14 11:37:27,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:27,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:27,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:27,035 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:37:27,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 4 case distinctions, treesize of input 399 treesize of output 392 [2022-12-14 11:37:27,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:27,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:27,093 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:37:27,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 391 treesize of output 384 [2022-12-14 11:37:27,138 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 11:37:27,139 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 387 treesize of output 374 [2022-12-14 11:37:27,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:27,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:27,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:27,804 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:37:27,805 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 3 case distinctions, treesize of input 1459 treesize of output 1362 [2022-12-14 11:37:27,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:27,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:27,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:27,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:27,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:27,857 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:37:27,858 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 3 case distinctions, treesize of input 1411 treesize of output 1314 [2022-12-14 11:37:27,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:27,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:27,897 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 1362 treesize of output 1309 [2022-12-14 11:37:28,165 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:37:32,045 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4761#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_old_#valid#1| |#valid|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~list~0#1.base| 0) (= |ULTIMATE.start_main_#res#1| 0) (= |#NULL.base| 0))' at error location [2022-12-14 11:37:32,045 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:37:32,045 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:37:32,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 14] total 32 [2022-12-14 11:37:32,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799004429] [2022-12-14 11:37:32,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:37:32,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-12-14 11:37:32,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:37:32,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-12-14 11:37:32,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=264, Invalid=2194, Unknown=4, NotChecked=294, Total=2756 [2022-12-14 11:37:32,047 INFO L87 Difference]: Start difference. First operand 101 states and 114 transitions. Second operand has 34 states, 33 states have (on average 2.4242424242424243) internal successors, (80), 33 states have internal predecessors, (80), 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) [2022-12-14 11:37:38,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:37:38,226 INFO L93 Difference]: Finished difference Result 144 states and 160 transitions. [2022-12-14 11:37:38,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:37:38,227 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 2.4242424242424243) internal successors, (80), 33 states have internal predecessors, (80), 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 29 [2022-12-14 11:37:38,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:37:38,228 INFO L225 Difference]: With dead ends: 144 [2022-12-14 11:37:38,228 INFO L226 Difference]: Without dead ends: 143 [2022-12-14 11:37:38,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 46 SyntacticMatches, 4 SemanticMatches, 59 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 1106 ImplicationChecksByTransitivity, 26.3s TimeCoverageRelationStatistics Valid=361, Invalid=2953, Unknown=4, NotChecked=342, Total=3660 [2022-12-14 11:37:38,229 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 87 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 194 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:37:38,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 295 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 739 Invalid, 0 Unknown, 194 Unchecked, 1.3s Time] [2022-12-14 11:37:38,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-12-14 11:37:38,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 123. [2022-12-14 11:37:38,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 111 states have (on average 1.2432432432432432) internal successors, (138), 122 states have internal predecessors, (138), 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) [2022-12-14 11:37:38,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 138 transitions. [2022-12-14 11:37:38,231 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 138 transitions. Word has length 29 [2022-12-14 11:37:38,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:37:38,231 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 138 transitions. [2022-12-14 11:37:38,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 2.4242424242424243) internal successors, (80), 33 states have internal predecessors, (80), 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) [2022-12-14 11:37:38,232 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 138 transitions. [2022-12-14 11:37:38,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 11:37:38,232 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:37:38,232 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:37:38,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-14 11:37:38,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-12-14 11:37:38,434 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-12-14 11:37:38,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:37:38,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1046251623, now seen corresponding path program 2 times [2022-12-14 11:37:38,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:37:38,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625222514] [2022-12-14 11:37:38,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:37:38,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:37:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:37:39,010 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:37:39,011 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:37:39,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625222514] [2022-12-14 11:37:39,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625222514] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:37:39,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317655775] [2022-12-14 11:37:39,011 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 11:37:39,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:37:39,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:37:39,012 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:37:39,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-14 11:37:39,134 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-12-14 11:37:39,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 11:37:39,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 57 conjunts are in the unsatisfiable core [2022-12-14 11:37:39,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:37:39,145 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 [2022-12-14 11:37:39,189 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 [2022-12-14 11:37:39,196 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 [2022-12-14 11:37:39,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:39,215 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 [2022-12-14 11:37:39,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:39,225 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 [2022-12-14 11:37:39,237 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 [2022-12-14 11:37:39,247 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 [2022-12-14 11:37:39,329 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 11:37:39,330 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 [2022-12-14 11:37:39,379 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 [2022-12-14 11:37:39,391 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 14 treesize of output 16 [2022-12-14 11:37:39,454 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:37:39,455 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 69 treesize of output 50 [2022-12-14 11:37:39,464 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 [2022-12-14 11:37:39,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:39,533 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:37:39,534 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 44 treesize of output 41 [2022-12-14 11:37:39,543 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 18 treesize of output 20 [2022-12-14 11:37:39,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:39,964 INFO L321 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2022-12-14 11:37:39,964 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 6 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 42 [2022-12-14 11:37:39,979 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:37:39,979 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 15 treesize of output 15 [2022-12-14 11:37:40,091 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:37:40,091 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:37:57,267 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:37:57,267 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 3 case distinctions, treesize of input 167 treesize of output 160 [2022-12-14 11:37:57,420 INFO L321 Elim1Store]: treesize reduction 56, result has 54.1 percent of original size [2022-12-14 11:37:57,420 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 1 new quantified variables, introduced 4 case distinctions, treesize of input 131 treesize of output 99 [2022-12-14 11:37:57,448 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:37:57,448 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 982 treesize of output 951 [2022-12-14 11:37:57,475 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:37:57,475 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 1000 treesize of output 880 [2022-12-14 11:37:57,492 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 810 treesize of output 778 [2022-12-14 11:37:57,510 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 826 treesize of output 810 [2022-12-14 11:37:57,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-12-14 11:37:58,227 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 88 [2022-12-14 11:37:58,308 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:37:58,308 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 146 [2022-12-14 11:37:58,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:58,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:58,455 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:37:58,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 53 [2022-12-14 11:37:58,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:58,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:58,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:58,645 INFO L321 Elim1Store]: treesize reduction 179, result has 24.5 percent of original size [2022-12-14 11:37:58,646 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 3 new quantified variables, introduced 5 case distinctions, treesize of input 240552 treesize of output 36624 [2022-12-14 11:37:59,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:59,425 INFO L321 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-12-14 11:37:59,426 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 2 case distinctions, treesize of input 39928 treesize of output 34620 [2022-12-14 11:37:59,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:37:59,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:37:59,641 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 28540 treesize of output 24510 [2022-12-14 11:38:00,082 INFO L321 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2022-12-14 11:38:00,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 18587 treesize of output 16043 [2022-12-14 11:43:11,238 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:43:11,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317655775] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:43:11,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1509515142] [2022-12-14 11:43:11,241 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-12-14 11:43:11,241 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:43:11,241 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:43:11,241 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:43:11,241 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:43:11,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,262 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 [2022-12-14 11:43:11,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,280 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 [2022-12-14 11:43:11,287 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 [2022-12-14 11:43:11,294 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 [2022-12-14 11:43:11,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,309 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 [2022-12-14 11:43:11,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,319 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 [2022-12-14 11:43:11,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,329 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 [2022-12-14 11:43:11,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,347 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 32 treesize of output 34 [2022-12-14 11:43:11,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,358 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 30 treesize of output 32 [2022-12-14 11:43:11,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,367 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 [2022-12-14 11:43:11,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,401 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 22 treesize of output 30 [2022-12-14 11:43:11,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,418 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 33 treesize of output 38 [2022-12-14 11:43:11,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,430 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 33 treesize of output 38 [2022-12-14 11:43:11,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,443 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 [2022-12-14 11:43:11,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,462 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 [2022-12-14 11:43:11,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:11,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 43 [2022-12-14 11:43:11,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:11,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 43 [2022-12-14 11:43:11,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 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 [2022-12-14 11:43:11,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,535 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 [2022-12-14 11:43:11,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 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 [2022-12-14 11:43:11,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,598 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 [2022-12-14 11:43:11,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,621 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 [2022-12-14 11:43:11,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:11,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,680 INFO L321 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2022-12-14 11:43:11,680 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 6 new quantified variables, introduced 11 case distinctions, treesize of input 198 treesize of output 152 [2022-12-14 11:43:11,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,704 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 11:43:11,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 92 [2022-12-14 11:43:11,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,726 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 [2022-12-14 11:43:11,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:11,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:11,775 INFO L321 Elim1Store]: treesize reduction 55, result has 19.1 percent of original size [2022-12-14 11:43:11,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 207 treesize of output 164 [2022-12-14 11:43:11,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,802 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 11:43:11,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 95 treesize of output 104 [2022-12-14 11:43:11,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:11,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:11,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:11,902 INFO L321 Elim1Store]: treesize reduction 74, result has 18.7 percent of original size [2022-12-14 11:43:11,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 204 treesize of output 164 [2022-12-14 11:43:11,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 100 [2022-12-14 11:43:11,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:11,950 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 34 treesize of output 21 [2022-12-14 11:43:12,221 INFO L321 Elim1Store]: treesize reduction 226, result has 14.4 percent of original size [2022-12-14 11:43:12,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 case distinctions, treesize of input 692 treesize of output 690 [2022-12-14 11:43:12,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:12,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:12,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:12,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:12,476 INFO L321 Elim1Store]: treesize reduction 104, result has 17.5 percent of original size [2022-12-14 11:43:12,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 31 case distinctions, treesize of input 765 treesize of output 505 [2022-12-14 11:43:12,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:12,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:12,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:12,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:12,610 INFO L321 Elim1Store]: treesize reduction 200, result has 14.5 percent of original size [2022-12-14 11:43:12,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 765 treesize of output 751 [2022-12-14 11:43:12,661 INFO L321 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-12-14 11:43:12,662 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 769 treesize of output 752 [2022-12-14 11:43:12,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:12,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:12,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:12,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:12,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:12,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:12,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:12,819 INFO L321 Elim1Store]: treesize reduction 112, result has 11.8 percent of original size [2022-12-14 11:43:12,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 37 case distinctions, treesize of input 774 treesize of output 517 [2022-12-14 11:43:12,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:12,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:12,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:12,929 INFO L321 Elim1Store]: treesize reduction 220, result has 10.9 percent of original size [2022-12-14 11:43:12,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 774 treesize of output 763 [2022-12-14 11:43:12,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:12,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:12,953 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 773 treesize of output 752 [2022-12-14 11:43:13,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:13,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:13,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:13,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:13,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:13,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:13,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:13,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:13,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:13,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:13,158 INFO L321 Elim1Store]: treesize reduction 146, result has 14.1 percent of original size [2022-12-14 11:43:13,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 45 case distinctions, treesize of input 783 treesize of output 529 [2022-12-14 11:43:13,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:13,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:13,181 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 773 treesize of output 752 [2022-12-14 11:43:13,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:13,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:13,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:13,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:13,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:13,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:13,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:13,321 INFO L321 Elim1Store]: treesize reduction 272, result has 11.7 percent of original size [2022-12-14 11:43:13,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 39 case distinctions, treesize of input 785 treesize of output 777 [2022-12-14 11:43:13,384 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 [2022-12-14 11:43:13,389 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 12 treesize of output 9 [2022-12-14 11:43:13,396 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 [2022-12-14 11:43:13,401 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 [2022-12-14 11:43:13,407 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 15 treesize of output 1 [2022-12-14 11:43:13,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:13,419 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 [2022-12-14 11:43:13,426 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 [2022-12-14 11:43:13,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:13,437 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 [2022-12-14 11:43:13,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:13,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:13,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:13,456 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:43:13,456 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:43:13,463 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 19 treesize of output 1 [2022-12-14 11:43:13,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:13,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:13,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:13,479 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:43:13,479 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 11:43:13,570 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 12 treesize of output 9 [2022-12-14 11:43:13,656 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 11:43:13,657 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 [2022-12-14 11:43:13,737 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 11:43:13,737 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 [2022-12-14 11:43:13,865 INFO L321 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-12-14 11:43:13,866 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 169 treesize of output 203 [2022-12-14 11:43:13,982 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 12 treesize of output 9 [2022-12-14 11:43:13,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:13,989 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 12 treesize of output 1 [2022-12-14 11:43:14,008 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 12 treesize of output 9 [2022-12-14 11:43:14,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:14,029 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 12 treesize of output 1 [2022-12-14 11:43:14,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:14,041 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 12 treesize of output 1 [2022-12-14 11:43:14,113 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 11:43:14,114 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 383 treesize of output 370 [2022-12-14 11:43:14,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:14,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:14,156 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:43:14,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 371 treesize of output 364 [2022-12-14 11:43:14,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:14,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:14,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:14,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:14,203 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:43:14,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 363 treesize of output 356 [2022-12-14 11:43:14,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:14,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:14,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:14,469 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:43:14,469 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 3 case distinctions, treesize of input 744 treesize of output 703 [2022-12-14 11:43:14,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:14,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:14,496 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 719 treesize of output 682 [2022-12-14 11:43:14,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:14,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:14,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:14,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:43:14,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:43:14,524 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:43:14,524 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 3 case distinctions, treesize of input 720 treesize of output 679 [2022-12-14 11:43:14,629 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:43:18,485 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5267#(and (not (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 11:43:18,486 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:43:18,486 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:43:18,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 14] total 32 [2022-12-14 11:43:18,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198615245] [2022-12-14 11:43:18,486 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:43:18,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-12-14 11:43:18,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:43:18,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-12-14 11:43:18,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=2274, Unknown=14, NotChecked=0, Total=2550 [2022-12-14 11:43:18,487 INFO L87 Difference]: Start difference. First operand 123 states and 138 transitions. Second operand has 33 states, 33 states have (on average 2.3636363636363638) internal successors, (78), 32 states have internal predecessors, (78), 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) [2022-12-14 11:43:33,189 WARN L233 SmtUtils]: Spent 7.99s on a formula simplification. DAG size of input: 115 DAG size of output: 100 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:43:35,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-14 11:43:38,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-14 11:43:42,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-14 11:43:47,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-14 11:43:49,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-14 11:43:57,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-14 11:43:59,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-14 11:44:02,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-14 11:44:04,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-14 11:44:06,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:44:06,355 INFO L93 Difference]: Finished difference Result 148 states and 163 transitions. [2022-12-14 11:44:06,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-14 11:44:06,357 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 2.3636363636363638) internal successors, (78), 32 states have internal predecessors, (78), 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 29 [2022-12-14 11:44:06,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:44:06,357 INFO L225 Difference]: With dead ends: 148 [2022-12-14 11:44:06,357 INFO L226 Difference]: Without dead ends: 133 [2022-12-14 11:44:06,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1217 ImplicationChecksByTransitivity, 43.8s TimeCoverageRelationStatistics Valid=425, Invalid=3590, Unknown=17, NotChecked=0, Total=4032 [2022-12-14 11:44:06,358 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 149 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 45 mSolverCounterUnsat, 41 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 41 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.9s IncrementalHoareTripleChecker+Time [2022-12-14 11:44:06,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 271 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 582 Invalid, 41 Unknown, 0 Unchecked, 26.9s Time] [2022-12-14 11:44:06,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-12-14 11:44:06,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2022-12-14 11:44:06,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 119 states have (on average 1.226890756302521) internal successors, (146), 130 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) [2022-12-14 11:44:06,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 146 transitions. [2022-12-14 11:44:06,360 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 146 transitions. Word has length 29 [2022-12-14 11:44:06,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:44:06,360 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 146 transitions. [2022-12-14 11:44:06,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 2.3636363636363638) internal successors, (78), 32 states have internal predecessors, (78), 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) [2022-12-14 11:44:06,360 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 146 transitions. [2022-12-14 11:44:06,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 11:44:06,361 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:44:06,361 INFO L195 NwaCegarLoop]: trace histogram [2, 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] [2022-12-14 11:44:06,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-14 11:44:06,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-12-14 11:44:06,563 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-12-14 11:44:06,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:44:06,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1316569690, now seen corresponding path program 1 times [2022-12-14 11:44:06,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:44:06,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072217800] [2022-12-14 11:44:06,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:44:06,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:44:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:44:08,298 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:44:08,298 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:44:08,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072217800] [2022-12-14 11:44:08,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072217800] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:44:08,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717753667] [2022-12-14 11:44:08,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:44:08,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:44:08,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:44:08,300 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:44:08,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-14 11:44:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:44:08,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 51 conjunts are in the unsatisfiable core [2022-12-14 11:44:08,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:44:08,512 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-12-14 11:44:08,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 23 treesize of output 44 [2022-12-14 11:44:08,627 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 [2022-12-14 11:44:08,741 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:44:08,742 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 53 [2022-12-14 11:44:08,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:44:08,976 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 81 treesize of output 60 [2022-12-14 11:44:09,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:44:09,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:44:09,732 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:44:09,733 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 68 [2022-12-14 11:44:11,567 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:44:11,567 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:44:12,438 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~list~0#1.offset_128| Int)) (or (= |c_ULTIMATE.start_main_old_#valid#1| (let ((.cse0 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~y~0#1.base|))) (store (store (store |c_#valid| (select .cse0 8) 0) |c_ULTIMATE.start_main_~y~0#1.base| 0) (select .cse0 |v_ULTIMATE.start_main_~list~0#1.offset_128|) 0))) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_128|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_128| |c_ULTIMATE.start_main_~y~0#1.offset|)))) is different from false [2022-12-14 11:44:12,457 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~list~0#1.offset_128| Int)) (or (= |c_ULTIMATE.start_main_old_#valid#1| (let ((.cse0 (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~y~0#1.base|) (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8) |c_ULTIMATE.start_main_#t~malloc8#1.base|))) (store (store (store |c_#valid| (select .cse0 8) 0) |c_ULTIMATE.start_main_~y~0#1.base| 0) (select .cse0 |v_ULTIMATE.start_main_~list~0#1.offset_128|) 0))) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_128|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_128| |c_ULTIMATE.start_main_~y~0#1.offset|)))) is different from false [2022-12-14 11:44:12,836 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:44:12,836 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 59 treesize of output 52 [2022-12-14 11:44:12,842 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 88 treesize of output 82 [2022-12-14 11:44:12,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:44:12,889 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:44:12,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 63 treesize of output 79 [2022-12-14 11:44:12,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:44:12,913 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:44:12,913 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 55 treesize of output 58 [2022-12-14 11:48:12,102 WARN L233 SmtUtils]: Spent 3.87m on a formula simplification. DAG size of input: 165 DAG size of output: 79 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:48:24,452 WARN L233 SmtUtils]: Spent 6.09s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:48:38,776 WARN L233 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:48:38,854 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:48:38,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717753667] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:48:38,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [350504310] [2022-12-14 11:48:38,855 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-12-14 11:48:38,855 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:48:38,855 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:48:38,855 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:48:38,855 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:48:38,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:38,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:38,881 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 [2022-12-14 11:48:38,894 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 [2022-12-14 11:48:38,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:38,903 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 [2022-12-14 11:48:38,912 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 [2022-12-14 11:48:38,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:38,929 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 [2022-12-14 11:48:38,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:38,940 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 [2022-12-14 11:48:38,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:38,950 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 21 treesize of output 20 [2022-12-14 11:48:38,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:38,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:38,970 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 32 treesize of output 34 [2022-12-14 11:48:38,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:38,982 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 [2022-12-14 11:48:38,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:38,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:38,996 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 30 treesize of output 32 [2022-12-14 11:48:39,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,033 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 [2022-12-14 11:48:39,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,060 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 39 treesize of output 44 [2022-12-14 11:48:39,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,072 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 [2022-12-14 11:48:39,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,089 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 37 treesize of output 42 [2022-12-14 11:48:39,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 45 [2022-12-14 11:48:39,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,130 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 [2022-12-14 11:48:39,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 47 [2022-12-14 11:48:39,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,198 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 41 treesize of output 48 [2022-12-14 11:48:39,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,229 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 46 treesize of output 54 [2022-12-14 11:48:39,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-12-14 11:48:39,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,271 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 34 treesize of output 21 [2022-12-14 11:48:39,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,352 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 49 treesize of output 61 [2022-12-14 11:48:39,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,384 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 [2022-12-14 11:48:39,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:39,474 INFO L321 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2022-12-14 11:48:39,474 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 6 new quantified variables, introduced 11 case distinctions, treesize of input 270 treesize of output 180 [2022-12-14 11:48:39,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 72 [2022-12-14 11:48:39,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:39,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:39,582 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-12-14 11:48:39,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 279 treesize of output 192 [2022-12-14 11:48:39,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 84 [2022-12-14 11:48:39,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,645 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 [2022-12-14 11:48:39,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 26 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 74 [2022-12-14 11:48:39,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:39,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:39,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:39,849 INFO L321 Elim1Store]: treesize reduction 74, result has 18.7 percent of original size [2022-12-14 11:48:39,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 345 treesize of output 241 [2022-12-14 11:48:39,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 96 [2022-12-14 11:48:39,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:39,925 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 [2022-12-14 11:48:40,795 INFO L321 Elim1Store]: treesize reduction 582, result has 11.0 percent of original size [2022-12-14 11:48:40,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 1179 treesize of output 1169 [2022-12-14 11:48:40,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:40,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:40,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:40,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:41,093 INFO L321 Elim1Store]: treesize reduction 422, result has 11.0 percent of original size [2022-12-14 11:48:41,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 33 case distinctions, treesize of input 1340 treesize of output 708 [2022-12-14 11:48:41,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:41,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:41,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:41,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:41,668 INFO L321 Elim1Store]: treesize reduction 426, result has 10.1 percent of original size [2022-12-14 11:48:41,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 32 case distinctions, treesize of input 1340 treesize of output 1134 [2022-12-14 11:48:41,763 INFO L321 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-12-14 11:48:41,763 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 1344 treesize of output 1327 [2022-12-14 11:48:41,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:41,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:41,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:41,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:41,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:41,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:41,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:41,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:42,110 INFO L321 Elim1Store]: treesize reduction 474, result has 8.7 percent of original size [2022-12-14 11:48:42,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 8 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 39 case distinctions, treesize of input 1349 treesize of output 720 [2022-12-14 11:48:42,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:42,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:42,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:42,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:42,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:42,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:42,431 INFO L321 Elim1Store]: treesize reduction 486, result has 7.8 percent of original size [2022-12-14 11:48:42,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 13 new quantified variables, introduced 39 case distinctions, treesize of input 1349 treesize of output 1146 [2022-12-14 11:48:42,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:42,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:42,456 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 1348 treesize of output 1327 [2022-12-14 11:48:42,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:42,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:43,224 INFO L321 Elim1Store]: treesize reduction 660, result has 9.2 percent of original size [2022-12-14 11:48:43,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 33 case distinctions, treesize of input 1354 treesize of output 1343 [2022-12-14 11:48:43,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:43,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:43,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:43,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:43,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:43,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:43,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:43,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:43,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:43,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:43,881 INFO L321 Elim1Store]: treesize reduction 552, result has 8.9 percent of original size [2022-12-14 11:48:43,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 11 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 47 case distinctions, treesize of input 1536 treesize of output 818 [2022-12-14 11:48:43,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:43,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:43,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:43,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:43,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:43,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:43,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:44,273 INFO L321 Elim1Store]: treesize reduction 566, result has 8.1 percent of original size [2022-12-14 11:48:44,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 14 new quantified variables, introduced 47 case distinctions, treesize of input 1560 treesize of output 1344 [2022-12-14 11:48:44,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:44,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:44,305 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 1550 treesize of output 1529 [2022-12-14 11:48:44,420 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 [2022-12-14 11:48:44,426 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 12 treesize of output 9 [2022-12-14 11:48:44,434 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 15 treesize of output 1 [2022-12-14 11:48:44,440 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 [2022-12-14 11:48:44,446 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 [2022-12-14 11:48:44,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:44,461 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 [2022-12-14 11:48:44,469 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 [2022-12-14 11:48:44,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:44,480 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 [2022-12-14 11:48:44,563 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-12-14 11:48:44,563 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 3 case distinctions, treesize of input 26 treesize of output 45 [2022-12-14 11:48:44,635 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-12-14 11:48:44,636 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 22 treesize of output 33 [2022-12-14 11:48:44,650 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:48:44,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:44,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:44,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:44,670 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:48:44,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:48:44,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:44,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:44,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:44,691 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:48:44,691 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:48:44,807 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 12 treesize of output 9 [2022-12-14 11:48:44,883 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 11:48:44,883 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 [2022-12-14 11:48:45,023 INFO L321 Elim1Store]: treesize reduction 40, result has 59.6 percent of original size [2022-12-14 11:48:45,024 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 44 treesize of output 89 [2022-12-14 11:48:45,175 INFO L321 Elim1Store]: treesize reduction 56, result has 43.4 percent of original size [2022-12-14 11:48:45,175 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 116 treesize of output 143 [2022-12-14 11:48:45,371 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 11:48:45,372 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 [2022-12-14 11:48:45,532 INFO L321 Elim1Store]: treesize reduction 40, result has 59.6 percent of original size [2022-12-14 11:48:45,532 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 44 treesize of output 89 [2022-12-14 11:48:45,669 INFO L321 Elim1Store]: treesize reduction 56, result has 43.4 percent of original size [2022-12-14 11:48:45,669 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 116 treesize of output 143 [2022-12-14 11:48:45,848 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 11:48:45,848 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 [2022-12-14 11:48:45,910 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 0 case distinctions, treesize of input 16 treesize of output 13 [2022-12-14 11:48:46,062 INFO L321 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-12-14 11:48:46,063 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 169 treesize of output 203 [2022-12-14 11:48:46,297 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 12 treesize of output 9 [2022-12-14 11:48:46,309 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 12 treesize of output 9 [2022-12-14 11:48:46,325 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 12 treesize of output 9 [2022-12-14 11:48:46,351 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 12 treesize of output 9 [2022-12-14 11:48:46,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:46,374 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 12 treesize of output 1 [2022-12-14 11:48:46,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:46,385 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 12 treesize of output 1 [2022-12-14 11:48:46,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:46,398 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 12 treesize of output 1 [2022-12-14 11:48:46,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:46,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:46,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:46,476 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:48:46,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 4 case distinctions, treesize of input 429 treesize of output 422 [2022-12-14 11:48:46,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:46,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:46,523 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:48:46,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 421 treesize of output 414 [2022-12-14 11:48:46,566 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 11:48:46,566 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 417 treesize of output 404 [2022-12-14 11:48:46,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:46,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:46,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:46,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:46,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:46,749 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:48:46,749 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 451 treesize of output 434 [2022-12-14 11:48:46,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:46,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:46,772 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 438 treesize of output 421 [2022-12-14 11:48:46,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:46,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:46,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:48:46,804 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:48:46,804 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 3 case distinctions, treesize of input 439 treesize of output 422 [2022-12-14 11:48:46,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:46,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:47,025 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-12-14 11:48:47,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 420 treesize of output 407 [2022-12-14 11:48:47,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:47,238 INFO L321 Elim1Store]: treesize reduction 26, result has 27.8 percent of original size [2022-12-14 11:48:47,238 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 3 case distinctions, treesize of input 22 treesize of output 29 [2022-12-14 11:48:47,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:47,291 INFO L321 Elim1Store]: treesize reduction 26, result has 27.8 percent of original size [2022-12-14 11:48:47,292 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 22 treesize of output 29 [2022-12-14 11:48:47,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:47,344 INFO L321 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-12-14 11:48:47,344 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 22 treesize of output 1 [2022-12-14 11:48:47,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:48:47,377 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-12-14 11:48:47,392 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:48:53,886 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5830#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (<= 0 |#NULL.base|) (not (= |ULTIMATE.start_main_old_#valid#1| |#valid|)) (<= |#NULL.offset| 0) (<= |#NULL.base| 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~list~0#1.base| 0) (= |ULTIMATE.start_main_#res#1| 0))' at error location [2022-12-14 11:48:53,886 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:48:53,887 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:48:53,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 16] total 46 [2022-12-14 11:48:53,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781443822] [2022-12-14 11:48:53,887 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:48:53,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-12-14 11:48:53,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:48:53,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-12-14 11:48:53,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=335, Invalid=4215, Unknown=14, NotChecked=266, Total=4830 [2022-12-14 11:48:53,889 INFO L87 Difference]: Start difference. First operand 131 states and 146 transitions. Second operand has 48 states, 47 states have (on average 1.8936170212765957) internal successors, (89), 47 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) [2022-12-14 11:49:01,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:49:01,108 INFO L93 Difference]: Finished difference Result 132 states and 146 transitions. [2022-12-14 11:49:01,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 11:49:01,109 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 1.8936170212765957) internal successors, (89), 47 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 33 [2022-12-14 11:49:01,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:49:01,110 INFO L225 Difference]: With dead ends: 132 [2022-12-14 11:49:01,110 INFO L226 Difference]: Without dead ends: 112 [2022-12-14 11:49:01,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 86 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1792 ImplicationChecksByTransitivity, 279.3s TimeCoverageRelationStatistics Valid=570, Invalid=6734, Unknown=14, NotChecked=338, Total=7656 [2022-12-14 11:49:01,113 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 87 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 1177 mSolverCounterSat, 56 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 1357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1177 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 117 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:49:01,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 303 Invalid, 1357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1177 Invalid, 7 Unknown, 117 Unchecked, 3.0s Time] [2022-12-14 11:49:01,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-12-14 11:49:01,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2022-12-14 11:49:01,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 100 states have (on average 1.26) internal successors, (126), 111 states have internal predecessors, (126), 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) [2022-12-14 11:49:01,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 126 transitions. [2022-12-14 11:49:01,115 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 126 transitions. Word has length 33 [2022-12-14 11:49:01,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:49:01,115 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 126 transitions. [2022-12-14 11:49:01,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 1.8936170212765957) internal successors, (89), 47 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) [2022-12-14 11:49:01,115 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 126 transitions. [2022-12-14 11:49:01,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 11:49:01,115 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:49:01,115 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:49:01,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-12-14 11:49:01,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-12-14 11:49:01,316 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-12-14 11:49:01,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:49:01,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1664739690, now seen corresponding path program 1 times [2022-12-14 11:49:01,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:49:01,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275535771] [2022-12-14 11:49:01,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:49:01,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:49:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:49:02,033 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:49:02,033 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:49:02,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275535771] [2022-12-14 11:49:02,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275535771] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:49:02,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999639921] [2022-12-14 11:49:02,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:49:02,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:49:02,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:49:02,035 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:49:02,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8488d1a-798f-47b7-8aa9-6b5e380d0988/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-14 11:49:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:49:02,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 52 conjunts are in the unsatisfiable core [2022-12-14 11:49:02,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:49:02,150 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 [2022-12-14 11:49:02,187 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 11:49:02,187 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 [2022-12-14 11:49:02,240 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 [2022-12-14 11:49:02,255 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 [2022-12-14 11:49:02,344 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:49:02,345 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 52 [2022-12-14 11:49:02,366 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 11:49:02,366 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 44 treesize of output 41 [2022-12-14 11:49:02,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:02,451 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 32 treesize of output 34 [2022-12-14 11:49:02,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:02,457 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 33 treesize of output 28 [2022-12-14 11:49:02,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:02,575 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-12-14 11:49:02,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:02,926 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 11:49:02,927 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 1 case distinctions, treesize of input 28 treesize of output 18 [2022-12-14 11:49:02,931 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:49:02,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:49:03,693 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:49:03,693 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 126 treesize of output 127 [2022-12-14 11:49:03,699 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 246 treesize of output 242 [2022-12-14 11:49:03,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:03,709 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 112 treesize of output 110 [2022-12-14 11:49:03,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:03,736 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:49:03,737 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 120 treesize of output 124 [2022-12-14 11:49:19,901 WARN L233 SmtUtils]: Spent 9.18s on a formula simplification. DAG size of input: 62 DAG size of output: 54 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:49:24,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:24,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:24,685 INFO L321 Elim1Store]: treesize reduction 153, result has 27.8 percent of original size [2022-12-14 11:49:24,686 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 178797 treesize of output 37694 [2022-12-14 11:49:24,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:24,972 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:49:24,973 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 39241 treesize of output 34607 [2022-12-14 11:49:25,180 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 11:49:25,180 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 13 treesize of output 12 [2022-12-14 11:49:25,501 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 13 treesize of output 4 [2022-12-14 11:49:25,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:25,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:25,920 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:49:25,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 28320 treesize of output 24218 [2022-12-14 11:49:26,480 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 8 treesize of output 4 [2022-12-14 11:49:26,536 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:49:26,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999639921] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:49:26,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1155579068] [2022-12-14 11:49:26,538 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-12-14 11:49:26,538 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:49:26,538 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:49:26,538 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:49:26,538 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:49:26,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,556 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 [2022-12-14 11:49:26,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,578 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 [2022-12-14 11:49:26,586 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 [2022-12-14 11:49:26,594 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:49:26,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,610 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 [2022-12-14 11:49:26,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,627 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 [2022-12-14 11:49:26,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,639 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 [2022-12-14 11:49:26,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,662 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 30 treesize of output 32 [2022-12-14 11:49:26,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,675 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 32 treesize of output 34 [2022-12-14 11:49:26,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,688 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 [2022-12-14 11:49:26,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,723 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 22 treesize of output 30 [2022-12-14 11:49:26,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,744 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 33 treesize of output 38 [2022-12-14 11:49:26,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,760 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 33 treesize of output 38 [2022-12-14 11:49:26,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,773 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 [2022-12-14 11:49:26,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:26,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 43 [2022-12-14 11:49:26,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,812 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 [2022-12-14 11:49:26,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:26,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 43 [2022-12-14 11:49:26,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,884 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 41 treesize of output 48 [2022-12-14 11:49:26,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,915 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 44 treesize of output 52 [2022-12-14 11:49:26,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,929 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 [2022-12-14 11:49:26,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 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 [2022-12-14 11:49:26,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,970 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 [2022-12-14 11:49:26,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:26,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 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 [2022-12-14 11:49:27,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:27,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:27,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:27,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:27,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:27,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 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 [2022-12-14 11:49:27,305 INFO L321 Elim1Store]: treesize reduction 212, result has 14.5 percent of original size [2022-12-14 11:49:27,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 case distinctions, treesize of input 547 treesize of output 545 [2022-12-14 11:49:27,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:27,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:27,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:27,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:27,415 INFO L321 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2022-12-14 11:49:27,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 621 treesize of output 449 [2022-12-14 11:49:27,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:27,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:27,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:27,508 INFO L321 Elim1Store]: treesize reduction 68, result has 21.8 percent of original size [2022-12-14 11:49:27,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 621 treesize of output 598 [2022-12-14 11:49:27,558 INFO L321 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-12-14 11:49:27,558 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 625 treesize of output 608 [2022-12-14 11:49:27,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:27,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:27,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:27,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:27,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:27,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:27,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:27,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:27,672 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-12-14 11:49:27,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 630 treesize of output 461 [2022-12-14 11:49:27,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:27,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:27,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:27,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:27,735 INFO L321 Elim1Store]: treesize reduction 73, result has 13.1 percent of original size [2022-12-14 11:49:27,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 630 treesize of output 610 [2022-12-14 11:49:27,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:27,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:27,755 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 629 treesize of output 608 [2022-12-14 11:49:27,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:27,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:28,045 INFO L321 Elim1Store]: treesize reduction 248, result has 11.1 percent of original size [2022-12-14 11:49:28,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 635 treesize of output 632 [2022-12-14 11:49:28,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:28,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:28,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:28,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:28,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:28,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:28,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:28,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:28,215 INFO L321 Elim1Store]: treesize reduction 74, result has 18.7 percent of original size [2022-12-14 11:49:28,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 735 treesize of output 541 [2022-12-14 11:49:28,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:28,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:28,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:28,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:28,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:28,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:28,362 INFO L321 Elim1Store]: treesize reduction 102, result has 17.1 percent of original size [2022-12-14 11:49:28,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 759 treesize of output 742 [2022-12-14 11:49:28,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:28,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:28,384 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 749 treesize of output 728 [2022-12-14 11:49:28,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:28,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:28,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:28,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:28,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:28,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:28,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:28,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:28,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:28,533 INFO L321 Elim1Store]: treesize reduction 74, result has 18.7 percent of original size [2022-12-14 11:49:28,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 639 treesize of output 473 [2022-12-14 11:49:28,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:28,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:28,553 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 629 treesize of output 608 [2022-12-14 11:49:28,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:28,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:28,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:28,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:28,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:28,653 INFO L321 Elim1Store]: treesize reduction 106, result has 16.5 percent of original size [2022-12-14 11:49:28,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 641 treesize of output 624 [2022-12-14 11:49:28,705 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 12 treesize of output 9 [2022-12-14 11:49:28,710 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 [2022-12-14 11:49:28,716 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 [2022-12-14 11:49:28,721 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 [2022-12-14 11:49:28,726 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 15 treesize of output 1 [2022-12-14 11:49:28,735 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 19 treesize of output 1 [2022-12-14 11:49:28,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:28,744 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 [2022-12-14 11:49:28,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:28,754 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 [2022-12-14 11:49:28,839 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-12-14 11:49:28,839 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 3 case distinctions, treesize of input 26 treesize of output 45 [2022-12-14 11:49:28,920 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-12-14 11:49:28,921 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 22 treesize of output 33 [2022-12-14 11:49:28,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:28,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:28,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:28,949 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:49:28,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:49:28,961 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 19 treesize of output 1 [2022-12-14 11:49:28,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:28,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:28,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:28,985 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:49:28,985 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:49:29,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:29,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:29,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:29,007 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:49:29,007 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 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 11:49:29,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:29,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:29,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:29,026 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:49:29,026 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:49:29,034 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 19 treesize of output 1 [2022-12-14 11:49:29,138 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 12 treesize of output 9 [2022-12-14 11:49:29,226 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 11:49:29,226 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 [2022-12-14 11:49:29,309 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 11:49:29,309 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 [2022-12-14 11:49:29,468 INFO L321 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-12-14 11:49:29,468 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 169 treesize of output 203 [2022-12-14 11:49:29,699 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 12 treesize of output 9 [2022-12-14 11:49:29,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:29,711 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 12 treesize of output 1 [2022-12-14 11:49:29,731 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 12 treesize of output 9 [2022-12-14 11:49:29,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:29,743 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 12 treesize of output 1 [2022-12-14 11:49:29,756 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 12 treesize of output 9 [2022-12-14 11:49:29,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:29,769 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 12 treesize of output 1 [2022-12-14 11:49:29,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:29,781 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 12 treesize of output 1 [2022-12-14 11:49:29,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:29,796 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 12 treesize of output 1 [2022-12-14 11:49:29,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:29,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:29,896 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:49:29,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 583 treesize of output 560 [2022-12-14 11:49:29,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:29,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:29,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:29,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:29,943 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:49:29,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 571 treesize of output 548 [2022-12-14 11:49:29,984 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 11:49:29,984 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 563 treesize of output 542 [2022-12-14 11:49:30,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:30,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:30,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:30,470 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:49:30,471 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 3 case distinctions, treesize of input 1377 treesize of output 1288 [2022-12-14 11:49:30,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:30,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:30,508 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 1334 treesize of output 1289 [2022-12-14 11:49:30,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:30,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:30,539 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:49:30,545 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:49:30,546 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 3 case distinctions, treesize of input 1335 treesize of output 1246 [2022-12-14 11:49:30,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:30,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:30,926 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-12-14 11:49:30,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1256 treesize of output 1141 [2022-12-14 11:49:31,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:31,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:31,342 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:49:31,342 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 1 case distinctions, treesize of input 22 treesize of output 25 [2022-12-14 11:49:31,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:31,393 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-12-14 11:49:31,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:31,420 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-12-14 11:49:31,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:31,447 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-12-14 11:49:31,502 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-12-14 11:49:31,544 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-12-14 11:49:31,563 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-12-14 11:49:31,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:31,599 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:49:31,599 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 1 case distinctions, treesize of input 22 treesize of output 25 [2022-12-14 11:49:31,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:31,634 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:49:31,634 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 1 case distinctions, treesize of input 22 treesize of output 25 [2022-12-14 11:49:31,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:31,664 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-12-14 11:49:31,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:31,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:31,704 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:49:31,704 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 1 case distinctions, treesize of input 22 treesize of output 25 [2022-12-14 11:49:31,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:31,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:31,744 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:49:31,744 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 1 case distinctions, treesize of input 22 treesize of output 25 [2022-12-14 11:49:31,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:31,787 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-12-14 11:49:31,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:31,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:49:31,831 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 11:49:31,832 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 1 case distinctions, treesize of input 22 treesize of output 25 [2022-12-14 11:49:31,995 INFO L180 IcfgInterpreter]: Interpretation finished