./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_egcd2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db797eea-e312-4daf-950d-d25411ae87c1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db797eea-e312-4daf-950d-d25411ae87c1/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db797eea-e312-4daf-950d-d25411ae87c1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db797eea-e312-4daf-950d-d25411ae87c1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_egcd2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db797eea-e312-4daf-950d-d25411ae87c1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db797eea-e312-4daf-950d-d25411ae87c1/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ff641574c5c4b41213c0a7618630c50b2b820c3ae0c2511bc348b3db9b6781b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:03:20,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:03:20,834 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db797eea-e312-4daf-950d-d25411ae87c1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 05:03:20,838 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:03:20,839 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:03:20,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:03:20,857 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:03:20,857 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:03:20,858 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:03:20,858 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:03:20,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:03:20,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:03:20,858 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:03:20,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:03:20,859 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:03:20,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:03:20,859 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:03:20,859 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:03:20,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:03:20,859 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:03:20,859 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:03:20,859 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:03:20,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:03:20,859 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:03:20,859 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:03:20,859 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:03:20,859 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:03:20,860 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:03:20,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:03:20,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:03:20,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:03:20,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:03:20,860 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:03:20,860 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:03:20,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:03:20,860 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_db797eea-e312-4daf-950d-d25411ae87c1/bin/ukojak-verify-CZk0znPC7b 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 ! overflow) ) 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 -> 4ff641574c5c4b41213c0a7618630c50b2b820c3ae0c2511bc348b3db9b6781b [2024-12-06 05:03:21,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:03:21,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:03:21,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:03:21,099 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:03:21,099 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:03:21,100 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db797eea-e312-4daf-950d-d25411ae87c1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_egcd2.c [2024-12-06 05:03:23,736 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db797eea-e312-4daf-950d-d25411ae87c1/bin/ukojak-verify-CZk0znPC7b/data/30ac5243c/136c14f047c84d52aa17dc5adf188ff1/FLAG4c32aff04 [2024-12-06 05:03:23,930 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:03:23,930 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db797eea-e312-4daf-950d-d25411ae87c1/sv-benchmarks/c/recursified_nla-digbench/recursified_egcd2.c [2024-12-06 05:03:23,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db797eea-e312-4daf-950d-d25411ae87c1/bin/ukojak-verify-CZk0znPC7b/data/30ac5243c/136c14f047c84d52aa17dc5adf188ff1/FLAG4c32aff04 [2024-12-06 05:03:24,310 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db797eea-e312-4daf-950d-d25411ae87c1/bin/ukojak-verify-CZk0znPC7b/data/30ac5243c/136c14f047c84d52aa17dc5adf188ff1 [2024-12-06 05:03:24,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:03:24,313 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:03:24,314 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:03:24,314 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:03:24,317 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:03:24,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6752e498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24, skipping insertion in model container [2024-12-06 05:03:24,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,332 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:03:24,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:03:24,480 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:03:24,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:03:24,521 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:03:24,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24 WrapperNode [2024-12-06 05:03:24,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:03:24,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:03:24,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:03:24,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:03:24,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,552 INFO L138 Inliner]: procedures = 17, calls = 136, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 137 [2024-12-06 05:03:24,553 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:03:24,553 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:03:24,553 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:03:24,554 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:03:24,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,562 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,571 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,572 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,574 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,581 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:03:24,581 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:03:24,581 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:03:24,582 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:03:24,582 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:03:24,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db797eea-e312-4daf-950d-d25411ae87c1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:03:24,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db797eea-e312-4daf-950d-d25411ae87c1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:03:24,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db797eea-e312-4daf-950d-d25411ae87c1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:03:24,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:03:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:03:24,632 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:03:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:03:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_34_to_60_0 [2024-12-06 05:03:24,632 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_34_to_60_0 [2024-12-06 05:03:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 05:03:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_40_to_48_0 [2024-12-06 05:03:24,632 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_40_to_48_0 [2024-12-06 05:03:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 05:03:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:03:24,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:03:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 05:03:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:03:24,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:03:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:03:24,716 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:03:24,718 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:03:25,268 INFO L? ?]: Removed 241 outVars from TransFormulas that were not future-live. [2024-12-06 05:03:25,268 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:03:25,316 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:03:25,316 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:03:25,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:03:25 BoogieIcfgContainer [2024-12-06 05:03:25,316 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:03:25,317 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:03:25,317 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:03:25,324 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:03:25,324 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:03:25" (1/1) ... [2024-12-06 05:03:25,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:03:25,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:25,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 166 states and 177 transitions. [2024-12-06 05:03:25,368 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 177 transitions. [2024-12-06 05:03:25,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:03:25,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:25,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:03:25,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:25,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 05:03:25,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:03:25,801 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2024-12-06 05:03:25,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2024-12-06 05:03:25,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-12-06 05:03:25,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-12-06 05:03:25,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 12 [2024-12-06 05:03:25,892 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:03:25,893 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2024-12-06 05:03:25,897 INFO L378 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 [2024-12-06 05:03:25,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:03:26,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:26,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 169 states and 179 transitions. [2024-12-06 05:03:26,051 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 179 transitions. [2024-12-06 05:03:26,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:03:26,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:26,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:27,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 05:03:27,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:27,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 173 states and 188 transitions. [2024-12-06 05:03:27,633 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 188 transitions. [2024-12-06 05:03:27,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:03:27,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:27,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:28,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 05:03:29,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:29,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 174 states and 191 transitions. [2024-12-06 05:03:29,079 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 191 transitions. [2024-12-06 05:03:29,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 05:03:29,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:29,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:03:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:29,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 05:03:29,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:03:29,247 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2024-12-06 05:03:29,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2024-12-06 05:03:29,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-12-06 05:03:29,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:03:29,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 05:03:29,287 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:03:29,288 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2024-12-06 05:03:29,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2024-12-06 05:03:29,325 INFO L378 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 [2024-12-06 05:03:29,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:03:29,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:29,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 175 states and 192 transitions. [2024-12-06 05:03:29,355 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 192 transitions. [2024-12-06 05:03:29,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:03:29,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:29,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:29,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 05:03:30,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:30,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 175 states and 192 transitions. [2024-12-06 05:03:30,049 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 192 transitions. [2024-12-06 05:03:30,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:03:30,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:30,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:30,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:30,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 05:03:30,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:30,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 175 states and 192 transitions. [2024-12-06 05:03:30,517 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 192 transitions. [2024-12-06 05:03:30,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:03:30,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:30,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:31,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:03:32,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:32,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 172 states and 184 transitions. [2024-12-06 05:03:32,080 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 184 transitions. [2024-12-06 05:03:32,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:03:32,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:32,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat