./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4dd9c6-5b32-49bf-9bf4-a5816ca557b5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4dd9c6-5b32-49bf-9bf4-a5816ca557b5/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4dd9c6-5b32-49bf-9bf4-a5816ca557b5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4dd9c6-5b32-49bf-9bf4-a5816ca557b5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4dd9c6-5b32-49bf-9bf4-a5816ca557b5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4dd9c6-5b32-49bf-9bf4-a5816ca557b5/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4fa401c700a21fa1f98a1481c8e8ba1555a45c0429555dc041a1c04ce1059991 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:11:49,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:11:49,536 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4dd9c6-5b32-49bf-9bf4-a5816ca557b5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:11:49,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:11:49,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:11:49,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:11:49,580 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:11:49,580 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:11:49,581 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:11:49,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:11:49,584 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:11:49,584 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:11:49,584 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:11:49,584 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:11:49,584 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:11:49,584 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:11:49,584 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:11:49,585 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:11:49,585 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:11:49,585 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:11:49,585 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:11:49,585 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:11:49,585 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:11:49,585 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:11:49,585 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:11:49,586 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:11:49,586 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:11:49,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:11:49,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:11:49,586 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:11:49,586 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:11:49,586 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:11:49,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:11:49,586 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ac4dd9c6-5b32-49bf-9bf4-a5816ca557b5/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> Kojak 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 -> 4fa401c700a21fa1f98a1481c8e8ba1555a45c0429555dc041a1c04ce1059991 [2024-11-13 21:11:49,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:11:49,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:11:49,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:11:49,910 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:11:49,911 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:11:49,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4dd9c6-5b32-49bf-9bf4-a5816ca557b5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c Unable to find full path for "g++" [2024-11-13 21:11:51,860 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:11:52,092 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:11:52,093 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4dd9c6-5b32-49bf-9bf4-a5816ca557b5/sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c [2024-11-13 21:11:52,099 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4dd9c6-5b32-49bf-9bf4-a5816ca557b5/bin/ukojak-verify-EEHR8qb7sm/data/5e226f233/ee73a2b069064d7fac735568ce3cceb4/FLAGbde58c6f1 [2024-11-13 21:11:52,415 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4dd9c6-5b32-49bf-9bf4-a5816ca557b5/bin/ukojak-verify-EEHR8qb7sm/data/5e226f233/ee73a2b069064d7fac735568ce3cceb4 [2024-11-13 21:11:52,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:11:52,419 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:11:52,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:11:52,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:11:52,424 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:11:52,425 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:11:52" (1/1) ... [2024-11-13 21:11:52,426 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41cbd6fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:52, skipping insertion in model container [2024-11-13 21:11:52,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:11:52" (1/1) ... [2024-11-13 21:11:52,440 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:11:52,611 WARN L250 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_ac4dd9c6-5b32-49bf-9bf4-a5816ca557b5/sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c[421,434] [2024-11-13 21:11:52,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:11:52,648 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:11:52,661 WARN L250 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_ac4dd9c6-5b32-49bf-9bf4-a5816ca557b5/sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c[421,434] [2024-11-13 21:11:52,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:11:52,693 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:11:52,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:52 WrapperNode [2024-11-13 21:11:52,694 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:11:52,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:11:52,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:11:52,696 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:11:52,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:52" (1/1) ... [2024-11-13 21:11:52,711 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:52" (1/1) ... [2024-11-13 21:11:52,731 INFO L138 Inliner]: procedures = 16, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2024-11-13 21:11:52,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:11:52,732 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:11:52,732 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:11:52,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:11:52,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:52" (1/1) ... [2024-11-13 21:11:52,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:52" (1/1) ... [2024-11-13 21:11:52,746 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:52" (1/1) ... [2024-11-13 21:11:52,746 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:52" (1/1) ... [2024-11-13 21:11:52,756 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:52" (1/1) ... [2024-11-13 21:11:52,759 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:52" (1/1) ... [2024-11-13 21:11:52,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:52" (1/1) ... [2024-11-13 21:11:52,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:52" (1/1) ... [2024-11-13 21:11:52,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:11:52,763 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:11:52,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:11:52,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:11:52,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:52" (1/1) ... [2024-11-13 21:11:52,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:11:52,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4dd9c6-5b32-49bf-9bf4-a5816ca557b5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:11:52,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4dd9c6-5b32-49bf-9bf4-a5816ca557b5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:11:52,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4dd9c6-5b32-49bf-9bf4-a5816ca557b5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:11:52,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:11:52,823 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:11:52,823 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:11:52,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:11:52,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:11:52,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:11:52,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:11:52,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:11:52,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:11:52,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:11:52,888 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:11:52,890 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:11:53,067 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-13 21:11:53,068 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:11:53,109 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:11:53,110 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 21:11:53,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:11:53 BoogieIcfgContainer [2024-11-13 21:11:53,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:11:53,111 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:11:53,111 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:11:53,122 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:11:53,122 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:11:53" (1/1) ... [2024-11-13 21:11:53,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:11:53,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:53,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2024-11-13 21:11:53,179 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2024-11-13 21:11:53,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:11:53,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:53,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:53,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:11:53,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:53,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 24 transitions. [2024-11-13 21:11:53,589 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2024-11-13 21:11:53,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:11:53,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:53,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:53,810 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:11:54,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:54,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 20 states and 38 transitions. [2024-11-13 21:11:54,093 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 38 transitions. [2024-11-13 21:11:54,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:11:54,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:54,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:11:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:54,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:11:54,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:11:54,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 21:11:54,472 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:11:55,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:55,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 26 states and 59 transitions. [2024-11-13 21:11:55,378 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 59 transitions. [2024-11-13 21:11:55,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:11:55,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:55,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:11:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:55,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 21:11:55,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:11:55,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 21:11:55,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:11:55,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-13 21:11:56,109 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:11:56,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:56,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 29 states and 71 transitions. [2024-11-13 21:11:56,861 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 71 transitions. [2024-11-13 21:11:56,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:11:56,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:56,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:56,965 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:11:57,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:57,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 30 states and 73 transitions. [2024-11-13 21:11:57,125 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 73 transitions. [2024-11-13 21:11:57,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:11:57,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:57,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:57,440 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:11:58,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:58,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 37 states and 90 transitions. [2024-11-13 21:11:58,991 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 90 transitions. [2024-11-13 21:11:58,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:11:58,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:58,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:11:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:59,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 21:11:59,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:11:59,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 21:11:59,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:11:59,497 INFO L378 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 28 treesize of output 27 [2024-11-13 21:12:00,043 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:12:01,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:01,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 42 states and 110 transitions. [2024-11-13 21:12:01,973 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 110 transitions. [2024-11-13 21:12:01,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:12:01,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:01,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:12:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:12:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:02,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 21:12:02,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:02,147 INFO L378 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 15 treesize of output 11 [2024-11-13 21:12:02,568 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:12:05,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:05,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 48 states and 124 transitions. [2024-11-13 21:12:05,322 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 124 transitions. [2024-11-13 21:12:05,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:12:05,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:05,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:12:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:05,715 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:12:06,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:06,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 50 states and 128 transitions. [2024-11-13 21:12:06,768 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 128 transitions. [2024-11-13 21:12:06,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:12:06,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:06,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:12:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:06,862 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:12:07,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:07,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 52 states and 133 transitions. [2024-11-13 21:12:07,642 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 133 transitions. [2024-11-13 21:12:07,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:12:07,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:07,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:12:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:12:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:07,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 21:12:07,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:07,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 21:12:07,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:12:07,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-13 21:12:08,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:12:08,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:12:08,415 INFO L349 Elim1Store]: treesize reduction 22, result has 43.6 percent of original size [2024-11-13 21:12:08,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 49 [2024-11-13 21:12:08,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:12:08,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:12:08,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:12:08,656 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:12:08,657 INFO L378 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 1 case distinctions, treesize of input 44 treesize of output 46 [2024-11-13 21:12:09,548 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:12:12,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:12,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 54 states and 138 transitions. [2024-11-13 21:12:12,155 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 138 transitions. [2024-11-13 21:12:12,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:12:12,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:12,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:12:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:12:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:12,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 21:12:12,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:12,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 21:12:12,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:12:12,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-13 21:12:12,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:12:12,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:12:12,600 INFO L349 Elim1Store]: treesize reduction 22, result has 43.6 percent of original size [2024-11-13 21:12:12,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 49 [2024-11-13 21:12:12,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:12:12,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:12:12,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:12:12,854 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:12:12,855 INFO L378 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 1 case distinctions, treesize of input 44 treesize of output 46 [2024-11-13 21:12:13,286 INFO L349 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2024-11-13 21:12:13,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 146 treesize of output 74 [2024-11-13 21:12:13,295 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:12:15,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:15,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 56 states and 144 transitions. [2024-11-13 21:12:15,578 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 144 transitions. [2024-11-13 21:12:15,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:12:15,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:15,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:12:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:16,012 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:12:19,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:19,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 63 states and 161 transitions. [2024-11-13 21:12:19,047 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 161 transitions. [2024-11-13 21:12:19,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:12:19,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:19,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:12:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:19,134 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:12:19,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:19,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 65 states and 167 transitions. [2024-11-13 21:12:19,782 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 167 transitions. [2024-11-13 21:12:19,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:12:19,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:19,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:12:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:19,874 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:12:20,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:20,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 66 states and 172 transitions. [2024-11-13 21:12:20,437 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 172 transitions. [2024-11-13 21:12:20,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:12:20,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:20,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:12:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:12:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:20,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 21:12:20,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:20,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 21:12:20,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:12:20,562 INFO L378 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 28 treesize of output 27 [2024-11-13 21:12:21,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:12:21,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:12:21,392 INFO L349 Elim1Store]: treesize reduction 30, result has 45.5 percent of original size [2024-11-13 21:12:21,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 58 [2024-11-13 21:13:35,153 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:14:41,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:14:41,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 67 states and 175 transitions. [2024-11-13 21:14:41,322 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 175 transitions. [2024-11-13 21:14:41,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:14:41,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:14:41,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:14:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:14:42,239 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:14:49,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:14:49,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 76 states and 195 transitions. [2024-11-13 21:14:49,100 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 195 transitions. [2024-11-13 21:14:49,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:14:49,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:14:49,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:14:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:14:49,154 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:14:50,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:14:50,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 78 states and 201 transitions. [2024-11-13 21:14:50,491 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 201 transitions. [2024-11-13 21:14:50,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:14:50,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:14:50,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:14:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:14:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:14:50,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 21:14:50,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:14:50,888 INFO L378 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 15 treesize of output 11 [2024-11-13 21:14:52,539 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:15:02,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:02,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 87 states and 221 transitions. [2024-11-13 21:15:02,874 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 221 transitions. [2024-11-13 21:15:02,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:15:02,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:02,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:15:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:15:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:02,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 21:15:02,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:15:03,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-13 21:15:04,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:15:04,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2024-11-13 21:15:04,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:15:04,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:15:04,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:15:04,594 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:15:04,595 INFO L378 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 1 case distinctions, treesize of input 46 treesize of output 48 [2024-11-13 21:15:07,412 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:16:25,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:16:27,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:27,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 90 states and 232 transitions. [2024-11-13 21:16:27,955 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 232 transitions. [2024-11-13 21:16:27,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:16:27,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:27,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:16:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:28,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 21:16:28,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:29,045 INFO L378 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 15 treesize of output 11 [2024-11-13 21:16:30,681 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:17:13,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:13,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 100 states and 259 transitions. [2024-11-13 21:17:13,011 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 259 transitions. [2024-11-13 21:17:13,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 21:17:13,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:13,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:13,095 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 21:17:21,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:21,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 108 states and 278 transitions. [2024-11-13 21:17:21,220 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 278 transitions. [2024-11-13 21:17:21,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 21:17:21,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:21,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:17:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:21,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 21:17:21,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:17:21,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 21:17:21,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:17:21,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-13 21:17:21,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:17:21,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:17:21,707 INFO L349 Elim1Store]: treesize reduction 22, result has 43.6 percent of original size [2024-11-13 21:17:21,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 49 [2024-11-13 21:19:02,037 WARN L286 SmtUtils]: Spent 40.14s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:19:02,278 INFO L349 Elim1Store]: treesize reduction 141, result has 39.0 percent of original size [2024-11-13 21:19:02,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 107 treesize of output 158 [2024-11-13 21:19:16,154 WARN L286 SmtUtils]: Spent 10.18s on a formula simplification. DAG size of input: 104 DAG size of output: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:19:28,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:19:28,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:19:28,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:19:28,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:19:28,254 INFO L349 Elim1Store]: treesize reduction 62, result has 47.0 percent of original size [2024-11-13 21:19:28,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 60 treesize of output 90 [2024-11-13 21:20:51,087 WARN L286 SmtUtils]: Spent 30.13s on a formula simplification that was a NOOP. DAG size: 84 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:20:52,475 INFO L349 Elim1Store]: treesize reduction 367, result has 62.4 percent of original size [2024-11-13 21:20:52,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 287 treesize of output 797 [2024-11-13 21:22:25,308 WARN L286 SmtUtils]: Spent 6.39s on a formula simplification that was a NOOP. DAG size: 965 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:22:38,430 WARN L286 SmtUtils]: Spent 6.91s on a formula simplification that was a NOOP. DAG size: 961 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:22:51,610 WARN L286 SmtUtils]: Spent 6.56s on a formula simplification. DAG size of input: 956 DAG size of output: 957 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:23:04,560 WARN L286 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 932 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:23:51,874 WARN L286 SmtUtils]: Spent 5.40s on a formula simplification that was a NOOP. DAG size: 928 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)