./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_dijkstra-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_6058de9f-e06a-4437-9c97-bb4cbd36f49f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6058de9f-e06a-4437-9c97-bb4cbd36f49f/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_6058de9f-e06a-4437-9c97-bb4cbd36f49f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6058de9f-e06a-4437-9c97-bb4cbd36f49f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_dijkstra-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6058de9f-e06a-4437-9c97-bb4cbd36f49f/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_6058de9f-e06a-4437-9c97-bb4cbd36f49f/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 0464cc7a685168b5fc1a1b0dd8da6141b4b98c7c538345750bda8185cd005644 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:27:24,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:27:24,922 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6058de9f-e06a-4437-9c97-bb4cbd36f49f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:27:24,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:27:24,928 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:27:24,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:27:24,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:27:24,950 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:27:24,950 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:27:24,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:27:24,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:27:24,951 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:27:24,951 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:27:24,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:27:24,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:27:24,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:27:24,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:27:24,951 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:27:24,951 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:27:24,952 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:27:24,956 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:27:24,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:27:24,956 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:27:24,956 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:27:24,956 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:27:24,957 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:27:24,957 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:27:24,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:27:24,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:27:24,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:27:24,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:27:24,957 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:27:24,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:27:24,958 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_6058de9f-e06a-4437-9c97-bb4cbd36f49f/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 -> 0464cc7a685168b5fc1a1b0dd8da6141b4b98c7c538345750bda8185cd005644 [2024-11-13 21:27:25,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:27:25,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:27:25,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:27:25,321 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:27:25,322 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:27:25,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6058de9f-e06a-4437-9c97-bb4cbd36f49f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/recursified_nla-digbench/recursified_dijkstra-u.c Unable to find full path for "g++" [2024-11-13 21:27:27,518 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:27:27,907 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:27:27,907 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6058de9f-e06a-4437-9c97-bb4cbd36f49f/sv-benchmarks/c/recursified_nla-digbench/recursified_dijkstra-u.c [2024-11-13 21:27:27,922 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6058de9f-e06a-4437-9c97-bb4cbd36f49f/bin/ukojak-verify-EEHR8qb7sm/data/5cbf747e6/d15f1fd640954a08b9490d82b0f8d1e8/FLAGd91052054 [2024-11-13 21:27:28,134 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6058de9f-e06a-4437-9c97-bb4cbd36f49f/bin/ukojak-verify-EEHR8qb7sm/data/5cbf747e6/d15f1fd640954a08b9490d82b0f8d1e8 [2024-11-13 21:27:28,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:27:28,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:27:28,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:27:28,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:27:28,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:27:28,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:27:28" (1/1) ... [2024-11-13 21:27:28,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@486ee313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:28, skipping insertion in model container [2024-11-13 21:27:28,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:27:28" (1/1) ... [2024-11-13 21:27:28,182 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:27:28,410 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_6058de9f-e06a-4437-9c97-bb4cbd36f49f/sv-benchmarks/c/recursified_nla-digbench/recursified_dijkstra-u.c[1076,1089] [2024-11-13 21:27:28,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:27:28,505 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:27:28,519 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_6058de9f-e06a-4437-9c97-bb4cbd36f49f/sv-benchmarks/c/recursified_nla-digbench/recursified_dijkstra-u.c[1076,1089] [2024-11-13 21:27:28,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:27:28,585 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:27:28,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:28 WrapperNode [2024-11-13 21:27:28,586 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:27:28,587 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:27:28,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:27:28,588 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:27:28,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:28" (1/1) ... [2024-11-13 21:27:28,614 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:28" (1/1) ... [2024-11-13 21:27:28,652 INFO L138 Inliner]: procedures = 17, calls = 173, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 114 [2024-11-13 21:27:28,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:27:28,654 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:27:28,654 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:27:28,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:27:28,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:28" (1/1) ... [2024-11-13 21:27:28,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:28" (1/1) ... [2024-11-13 21:27:28,675 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:28" (1/1) ... [2024-11-13 21:27:28,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:28" (1/1) ... [2024-11-13 21:27:28,697 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:28" (1/1) ... [2024-11-13 21:27:28,704 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:28" (1/1) ... [2024-11-13 21:27:28,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:28" (1/1) ... [2024-11-13 21:27:28,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:28" (1/1) ... [2024-11-13 21:27:28,717 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:27:28,720 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:27:28,721 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:27:28,721 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:27:28,722 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:28" (1/1) ... [2024-11-13 21:27:28,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:27:28,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6058de9f-e06a-4437-9c97-bb4cbd36f49f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:27:28,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6058de9f-e06a-4437-9c97-bb4cbd36f49f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:27:28,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6058de9f-e06a-4437-9c97-bb4cbd36f49f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:27:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:27:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_29_to_33_0 [2024-11-13 21:27:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_29_to_33_0 [2024-11-13 21:27:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:27:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:27:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:27:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_37_to_53_0 [2024-11-13 21:27:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_37_to_53_0 [2024-11-13 21:27:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:27:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:27:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:27:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:27:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:27:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:27:29,023 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:27:29,026 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:27:29,520 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-13 21:27:29,520 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:27:29,643 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:27:29,644 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:27:29,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:27:29 BoogieIcfgContainer [2024-11-13 21:27:29,644 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:27:29,647 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:27:29,647 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:27:29,661 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:27:29,662 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:27:29" (1/1) ... [2024-11-13 21:27:29,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:27:29,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:29,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 41 states and 55 transitions. [2024-11-13 21:27:29,743 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2024-11-13 21:27:29,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:27:29,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:29,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:27:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:30,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:27:30,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:30,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 41 states and 52 transitions. [2024-11-13 21:27:30,109 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2024-11-13 21:27:30,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:27:30,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:30,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:27:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:33,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:27:34,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:34,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 76 transitions. [2024-11-13 21:27:34,894 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2024-11-13 21:27:34,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:27:34,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:34,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:27:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:27:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:35,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-13 21:27:35,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:27:35,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:27:35,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:27:35,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:27:35,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:27:35,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:27:35,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:27:35,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:27:35,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:27:35,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 37 [2024-11-13 21:27:35,324 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-13 21:27:35,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 53 [2024-11-13 21:27:35,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 38 [2024-11-13 21:28:18,297 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:28:18,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 54 treesize of output 70 [2024-11-13 21:28:18,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:33:10,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:10,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 59 states and 118 transitions. [2024-11-13 21:33:10,561 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 118 transitions. [2024-11-13 21:33:10,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:33:10,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:10,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:14,612 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:33:32,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:32,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 65 states and 137 transitions. [2024-11-13 21:33:32,298 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 137 transitions. [2024-11-13 21:33:32,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:33:32,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:32,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:57,959 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:34:35,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:35,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 72 states and 160 transitions. [2024-11-13 21:34:35,329 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 160 transitions. [2024-11-13 21:34:35,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:34:35,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:35,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:01,477 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:35:38,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:38,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 76 states and 175 transitions. [2024-11-13 21:35:38,908 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 175 transitions. [2024-11-13 21:35:38,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:35:38,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:38,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:42,402 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:35:44,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:44,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 76 states and 175 transitions. [2024-11-13 21:35:44,770 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 175 transitions. [2024-11-13 21:35:44,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:35:44,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:44,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:46,716 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:35:47,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:47,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 76 states and 175 transitions. [2024-11-13 21:35:47,795 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 175 transitions. [2024-11-13 21:35:47,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:35:47,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:47,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:36:12,402 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:36:35,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:36:35,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 76 states and 175 transitions. [2024-11-13 21:36:35,417 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 175 transitions. [2024-11-13 21:36:35,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:36:35,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:36:35,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:36:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:36:40,415 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:36:50,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:36:50,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 77 states and 168 transitions. [2024-11-13 21:36:50,697 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 168 transitions. [2024-11-13 21:36:50,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:36:50,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:36:50,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:36:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:24,734 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 21:38:04,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:38:14,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:38:24,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:38:35,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:38:57,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:39:08,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:39:24,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:39:24,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 88 states and 198 transitions. [2024-11-13 21:39:24,806 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 198 transitions. [2024-11-13 21:39:24,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:39:24,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:39:24,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:39:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:56,283 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 21:41:00,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:41:06,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:06,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 95 states and 216 transitions. [2024-11-13 21:41:06,932 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 216 transitions. [2024-11-13 21:41:06,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:41:06,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:06,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:41:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:07,153 WARN L253 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 126 conjuncts are in the unsatisfiable core [2024-11-13 21:41:07,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:41:07,180 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-13 21:41:07,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 53 [2024-11-13 21:41:07,240 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-13 21:41:07,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:41:07,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:41:07,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 323 treesize of output 33 [2024-11-13 21:41:56,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 40 [2024-11-13 21:41:59,933 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.