./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8a34048511216dfe9a14f70dd929fd2de5a6eaf4560cb9e9e466dd0467a1d6d7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:33:14,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:33:14,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:33:14,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:33:14,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:33:14,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:33:14,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:33:14,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:33:14,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:33:14,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:33:14,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:33:14,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:33:14,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:33:14,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:33:14,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:33:14,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:33:14,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:33:14,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:33:14,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:33:14,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:33:14,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:33:14,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:33:14,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:33:14,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:33:14,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:33:14,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:33:14,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:33:14,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:33:14,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:33:14,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:33:14,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:33:14,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:33:14,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:33:14,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:33:14,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:33:14,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:33:14,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:33:14,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:33:14,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:33:14,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:33:14,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:33:14,349 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 08:33:14,403 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:33:14,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:33:14,404 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:33:14,405 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:33:14,406 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:33:14,406 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:33:14,407 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:33:14,407 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:33:14,407 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:33:14,408 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:33:14,409 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:33:14,409 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:33:14,410 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:33:14,410 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:33:14,410 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:33:14,411 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:33:14,411 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:33:14,411 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:33:14,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:33:14,412 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:33:14,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:33:14,413 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:33:14,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:33:14,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:33:14,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:33:14,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:33:14,416 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:33:14,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:33:14,416 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:33:14,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:33:14,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:33:14,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:33:14,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:33:14,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:33:14,418 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:33:14,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:33:14,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:33:14,419 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:33:14,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:33:14,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:33:14,420 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:33:14,420 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_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a34048511216dfe9a14f70dd929fd2de5a6eaf4560cb9e9e466dd0467a1d6d7 [2022-11-19 08:33:14,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:33:14,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:33:14,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:33:14,802 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:33:14,803 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:33:14,804 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i [2022-11-19 08:33:14,901 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/data/0b0d4bbf8/daa74c14ae644e74a7b9cea503e7fa50/FLAG56392bce3 [2022-11-19 08:33:15,605 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:33:15,606 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i [2022-11-19 08:33:15,624 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/data/0b0d4bbf8/daa74c14ae644e74a7b9cea503e7fa50/FLAG56392bce3 [2022-11-19 08:33:15,859 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/data/0b0d4bbf8/daa74c14ae644e74a7b9cea503e7fa50 [2022-11-19 08:33:15,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:33:15,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:33:15,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:33:15,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:33:15,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:33:15,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:33:15" (1/1) ... [2022-11-19 08:33:15,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a4f16c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:33:15, skipping insertion in model container [2022-11-19 08:33:15,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:33:15" (1/1) ... [2022-11-19 08:33:15,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:33:15,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:33:16,382 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i[33021,33034] [2022-11-19 08:33:16,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:33:16,497 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:33:16,534 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i[33021,33034] [2022-11-19 08:33:16,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:33:16,675 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:33:16,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:33:16 WrapperNode [2022-11-19 08:33:16,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:33:16,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:33:16,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:33:16,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:33:16,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:33:16" (1/1) ... [2022-11-19 08:33:16,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:33:16" (1/1) ... [2022-11-19 08:33:16,785 INFO L138 Inliner]: procedures = 177, calls = 186, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 617 [2022-11-19 08:33:16,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:33:16,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:33:16,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:33:16,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:33:16,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:33:16" (1/1) ... [2022-11-19 08:33:16,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:33:16" (1/1) ... [2022-11-19 08:33:16,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:33:16" (1/1) ... [2022-11-19 08:33:16,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:33:16" (1/1) ... [2022-11-19 08:33:16,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:33:16" (1/1) ... [2022-11-19 08:33:16,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:33:16" (1/1) ... [2022-11-19 08:33:16,887 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:33:16" (1/1) ... [2022-11-19 08:33:16,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:33:16" (1/1) ... [2022-11-19 08:33:16,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:33:16,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:33:16,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:33:16,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:33:16,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:33:16" (1/1) ... [2022-11-19 08:33:16,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:33:16,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:33:16,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:33:17,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:33:17,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:33:17,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 08:33:17,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 08:33:17,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:33:17,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 08:33:17,036 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 08:33:17,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:33:17,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:33:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:33:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:33:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:33:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:33:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:33:17,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:33:17,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:33:17,277 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:33:17,279 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:33:18,592 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:33:18,938 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:33:18,939 INFO L300 CfgBuilder]: Removed 31 assume(true) statements. [2022-11-19 08:33:18,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:33:18 BoogieIcfgContainer [2022-11-19 08:33:18,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:33:18,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:33:18,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:33:18,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:33:18,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:33:15" (1/3) ... [2022-11-19 08:33:18,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c97a59f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:33:18, skipping insertion in model container [2022-11-19 08:33:18,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:33:16" (2/3) ... [2022-11-19 08:33:18,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c97a59f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:33:18, skipping insertion in model container [2022-11-19 08:33:18,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:33:18" (3/3) ... [2022-11-19 08:33:18,956 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test1-1.i [2022-11-19 08:33:18,984 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:33:18,985 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:33:19,061 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:33:19,069 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=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@60ad5212, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:33:19,069 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:33:19,074 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 64 states have (on average 1.78125) internal successors, (114), 75 states have internal predecessors, (114), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 08:33:19,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 08:33:19,084 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:33:19,085 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:33:19,086 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:33:19,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:33:19,096 INFO L85 PathProgramCache]: Analyzing trace with hash 2109568137, now seen corresponding path program 1 times [2022-11-19 08:33:19,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:33:19,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495214144] [2022-11-19 08:33:19,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:33:19,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:33:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:33:19,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:33:19,383 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:33:19,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495214144] [2022-11-19 08:33:19,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495214144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:33:19,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:33:19,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:33:19,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749221635] [2022-11-19 08:33:19,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:33:19,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:33:19,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:33:19,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:33:19,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:33:19,442 INFO L87 Difference]: Start difference. First operand has 81 states, 64 states have (on average 1.78125) internal successors, (114), 75 states have internal predecessors, (114), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:33:21,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:33:21,685 INFO L93 Difference]: Finished difference Result 209 states and 376 transitions. [2022-11-19 08:33:21,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:33:21,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-19 08:33:21,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:33:21,710 INFO L225 Difference]: With dead ends: 209 [2022-11-19 08:33:21,711 INFO L226 Difference]: Without dead ends: 128 [2022-11-19 08:33:21,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:33:21,719 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 49 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:33:21,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 206 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-19 08:33:21,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-19 08:33:21,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2022-11-19 08:33:21,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 75 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 08:33:21,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2022-11-19 08:33:21,776 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2022-11-19 08:33:21,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:33:21,777 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2022-11-19 08:33:21,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:33:21,778 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2022-11-19 08:33:21,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 08:33:21,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:33:21,780 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:33:21,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:33:21,781 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:33:21,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:33:21,782 INFO L85 PathProgramCache]: Analyzing trace with hash -843316591, now seen corresponding path program 1 times [2022-11-19 08:33:21,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:33:21,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855145785] [2022-11-19 08:33:21,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:33:21,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:33:22,025 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:33:22,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1512888625] [2022-11-19 08:33:22,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:33:22,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:33:22,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:33:22,035 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:33:22,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:33:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:33:22,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:33:22,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:33:22,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:33:22,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:33:23,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:33:23,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:33:23,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855145785] [2022-11-19 08:33:23,037 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:33:23,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512888625] [2022-11-19 08:33:23,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512888625] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:33:23,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1604474012] [2022-11-19 08:33:23,061 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-11-19 08:33:23,061 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:33:23,066 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:33:23,072 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:33:23,073 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:33:23,214 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 08:33:23,215 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 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-19 08:33:23,273 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:33:23,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-19 08:33:23,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 08:33:23,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 08:33:23,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:33:23,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-19 08:33:23,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 08:33:23,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:23,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-19 08:33:24,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:33:24,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:33:24,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:33:24,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 08:33:24,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:24,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-19 08:33:24,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:33:24,782 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:33:32,638 WARN L233 SmtUtils]: Spent 5.01s on a formula simplification. DAG size of input: 219 DAG size of output: 208 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:33:39,983 WARN L233 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:33:39,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1604474012] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:33:39,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 08:33:39,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-19 08:33:39,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564220425] [2022-11-19 08:33:39,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:33:39,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 08:33:39,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:33:39,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 08:33:39,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-19 08:33:39,994 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:33:42,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:33:42,071 INFO L93 Difference]: Finished difference Result 170 states and 228 transitions. [2022-11-19 08:33:42,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 08:33:42,076 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-19 08:33:42,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:33:42,078 INFO L225 Difference]: With dead ends: 170 [2022-11-19 08:33:42,078 INFO L226 Difference]: Without dead ends: 91 [2022-11-19 08:33:42,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-19 08:33:42,080 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 8 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:33:42,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 328 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 107 Invalid, 0 Unknown, 11 Unchecked, 2.0s Time] [2022-11-19 08:33:42,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-19 08:33:42,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-11-19 08:33:42,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 08:33:42,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2022-11-19 08:33:42,103 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2022-11-19 08:33:42,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:33:42,103 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2022-11-19 08:33:42,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:33:42,104 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2022-11-19 08:33:42,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-19 08:33:42,105 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:33:42,105 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:33:42,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 08:33:42,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:33:42,318 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:33:42,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:33:42,318 INFO L85 PathProgramCache]: Analyzing trace with hash 2026915386, now seen corresponding path program 1 times [2022-11-19 08:33:42,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:33:42,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268288428] [2022-11-19 08:33:42,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:33:42,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:33:42,376 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:33:42,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [633135752] [2022-11-19 08:33:42,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:33:42,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:33:42,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:33:42,378 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:33:42,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:33:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:33:42,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:33:42,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:33:43,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 08:33:43,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:33:43,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 08:33:43,129 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:33:43,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268288428] [2022-11-19 08:33:43,129 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:33:43,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633135752] [2022-11-19 08:33:43,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633135752] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:33:43,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1115561387] [2022-11-19 08:33:43,133 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-19 08:33:43,134 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:33:43,134 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:33:43,134 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:33:43,135 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:33:43,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,240 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 22 treesize of output 7 [2022-11-19 08:33:43,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:33:43,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,277 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 08:33:43,278 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 33 treesize of output 43 [2022-11-19 08:33:43,338 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:33:43,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-19 08:33:43,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 08:33:43,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 08:33:43,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:33:43,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:33:43,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 08:33:43,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-19 08:33:43,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 08:33:43,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:43,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 08:33:44,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 08:33:44,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 08:33:44,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:44,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:44,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:44,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:44,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:44,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:44,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:44,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:44,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:44,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:44,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:44,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:44,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:44,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:44,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:44,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:44,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:44,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 08:33:44,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 08:33:44,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 08:33:44,282 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 08:33:44,283 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 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-19 08:33:44,378 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 08:33:44,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-19 08:33:45,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 08:33:45,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-19 08:33:45,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:33:45,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:33:45,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 08:33:45,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 08:33:45,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 08:33:45,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 08:33:45,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 08:33:45,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:45,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 08:33:45,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 08:33:45,929 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 08:33:45,929 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 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-19 08:33:46,022 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 08:33:46,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-19 08:33:46,127 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-19 08:33:46,237 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:33:59,883 WARN L233 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:34:09,562 WARN L233 SmtUtils]: Spent 5.54s on a formula simplification. DAG size of input: 246 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:34:22,010 WARN L233 SmtUtils]: Spent 6.29s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:34:34,895 WARN L233 SmtUtils]: Spent 6.69s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:34:35,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1115561387] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:34:35,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 08:34:35,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-19 08:34:35,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562732432] [2022-11-19 08:34:35,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:34:35,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-19 08:34:35,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:34:35,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-19 08:34:35,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-19 08:34:35,645 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 08:34:38,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:34:38,051 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2022-11-19 08:34:38,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-19 08:34:38,058 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2022-11-19 08:34:38,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:34:38,059 INFO L225 Difference]: With dead ends: 175 [2022-11-19 08:34:38,059 INFO L226 Difference]: Without dead ends: 96 [2022-11-19 08:34:38,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 49.4s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-19 08:34:38,061 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 15 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 134 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:34:38,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 372 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 134 Unchecked, 2.4s Time] [2022-11-19 08:34:38,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-19 08:34:38,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-19 08:34:38,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-19 08:34:38,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2022-11-19 08:34:38,089 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2022-11-19 08:34:38,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:34:38,089 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2022-11-19 08:34:38,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 08:34:38,090 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2022-11-19 08:34:38,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-19 08:34:38,091 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:34:38,091 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:34:38,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 08:34:38,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:34:38,300 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:34:38,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:34:38,300 INFO L85 PathProgramCache]: Analyzing trace with hash -2018622722, now seen corresponding path program 1 times [2022-11-19 08:34:38,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:34:38,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274938602] [2022-11-19 08:34:38,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:34:38,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:34:38,358 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:34:38,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1757660107] [2022-11-19 08:34:38,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:34:38,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:34:38,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:34:38,360 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:34:38,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661101bb-c41b-4fc0-ae6a-e89c1e6d4d79/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 08:34:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:34:38,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:34:38,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:34:38,951 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 08:34:38,952 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:34:39,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 08:34:39,038 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:34:39,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274938602] [2022-11-19 08:34:39,038 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:34:39,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757660107] [2022-11-19 08:34:39,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757660107] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:34:39,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1203675461] [2022-11-19 08:34:39,043 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-19 08:34:39,043 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:34:39,043 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:34:39,044 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:34:39,044 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:34:39,109 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:34:39,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-19 08:34:39,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 08:34:39,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 08:34:39,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 08:34:39,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:34:39,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-19 08:34:39,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 08:34:39,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-19 08:34:39,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:34:39,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:34:39,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 08:34:39,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 08:34:39,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:39,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 08:34:39,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 08:34:39,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 08:34:39,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 08:34:39,962 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 08:34:39,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-19 08:34:39,979 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 28 treesize of output 36 [2022-11-19 08:34:40,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 08:34:40,220 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 14 treesize of output 10 [2022-11-19 08:34:40,227 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 16 treesize of output 12 [2022-11-19 08:34:40,236 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 14 treesize of output 10 [2022-11-19 08:34:40,258 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 66 treesize of output 65 [2022-11-19 08:34:40,268 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 64 treesize of output 63 [2022-11-19 08:34:40,286 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 64 treesize of output 63 [2022-11-19 08:34:40,311 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 14 treesize of output 10 [2022-11-19 08:34:40,317 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 16 treesize of output 12 [2022-11-19 08:34:40,328 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 14 treesize of output 10 [2022-11-19 08:34:40,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-19 08:34:40,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 08:34:40,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 08:34:40,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:40,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-19 08:34:40,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 08:34:40,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 08:34:41,556 INFO L217 Elim1Store]: Index analysis took 526 ms [2022-11-19 08:34:45,523 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-19 08:34:45,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752658 treesize of output 10752661 [2022-11-19 08:34:47,342 INFO L217 Elim1Store]: Index analysis took 1659 ms [2022-11-19 08:34:49,885 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-19 08:34:49,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752663 treesize of output 10752665 [2022-11-19 08:35:01,704 WARN L233 SmtUtils]: Spent 11.56s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:35:01,704 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-19 08:35:01,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-19 08:35:28,148 WARN L233 SmtUtils]: Spent 26.27s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:35:28,149 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-19 08:35:28,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1819 [2022-11-19 08:35:29,126 INFO L217 Elim1Store]: Index analysis took 747 ms [2022-11-19 08:35:48,764 WARN L233 SmtUtils]: Spent 19.20s on a formula simplification. DAG size of input: 252 DAG size of output: 150 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:35:48,766 INFO L321 Elim1Store]: treesize reduction 2438, result has 32.1 percent of original size [2022-11-19 08:35:48,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 2093 [2022-11-19 08:35:49,765 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:35:49,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:35:50,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:35:50,289 INFO L217 Elim1Store]: Index analysis took 350 ms [2022-11-19 08:35:50,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 99 [2022-11-19 08:35:50,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:35:50,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-19 08:35:51,151 INFO L217 Elim1Store]: Index analysis took 189 ms [2022-11-19 08:35:51,623 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-19 08:35:51,624 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 3 case distinctions, treesize of input 93 treesize of output 75 [2022-11-19 08:35:51,729 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 5 treesize of output 3 [2022-11-19 08:35:52,172 INFO L217 Elim1Store]: Index analysis took 309 ms [2022-11-19 08:35:52,946 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:35:52,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 72 treesize of output 98 [2022-11-19 08:35:57,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 13 [2022-11-19 08:35:59,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:35:59,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:35:59,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2022-11-19 08:35:59,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:35:59,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:35:59,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 30 treesize of output 20 [2022-11-19 08:36:00,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:36:00,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:36:00,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:36:00,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 30 treesize of output 20 [2022-11-19 08:36:00,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:36:00,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2022-11-19 08:36:01,562 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:36:02,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:36:02,047 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:36:02,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:36:02,107 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:36:02,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:36:02,576 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:36:02,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:36:02,926 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:36:03,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:36:03,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2022-11-19 08:36:03,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:36:03,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:36:03,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 30 treesize of output 20 [2022-11-19 08:36:04,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 119 [2022-11-19 08:36:04,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2022-11-19 08:36:04,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2022-11-19 08:36:05,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:36:05,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15