./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/egcd2-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc874bc-a7ec-4d9e-aeac-17680b1bee93/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc874bc-a7ec-4d9e-aeac-17680b1bee93/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_6dc874bc-a7ec-4d9e-aeac-17680b1bee93/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc874bc-a7ec-4d9e-aeac-17680b1bee93/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/egcd2-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc874bc-a7ec-4d9e-aeac-17680b1bee93/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc874bc-a7ec-4d9e-aeac-17680b1bee93/bin/ukojak-verify-EEHR8qb7sm --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 4b8e7a0340ae3342090517f2a88c3de1beaa3d83173c8c0fc0ae95ebc1f42c80 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:17:49,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:17:49,114 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc874bc-a7ec-4d9e-aeac-17680b1bee93/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 22:17:49,119 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:17:49,120 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:17:49,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:17:49,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:17:49,161 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:17:49,162 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:17:49,162 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:17:49,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:17:49,164 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:17:49,164 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:17:49,164 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:17:49,164 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:17:49,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:17:49,164 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:17:49,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:17:49,165 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:17:49,165 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:17:49,165 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:17:49,165 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:17:49,165 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:17:49,165 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:17:49,165 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:17:49,165 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:17:49,165 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:17:49,165 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:17:49,166 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:17:49,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:17:49,166 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:17:49,166 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:17:49,166 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:17:49,166 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:17:49,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:17:49,166 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_6dc874bc-a7ec-4d9e-aeac-17680b1bee93/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 ! 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 -> 4b8e7a0340ae3342090517f2a88c3de1beaa3d83173c8c0fc0ae95ebc1f42c80 [2024-11-13 22:17:49,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:17:49,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:17:49,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:17:49,562 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:17:49,563 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:17:49,564 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc874bc-a7ec-4d9e-aeac-17680b1bee93/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-nla/egcd2-both-nt.c Unable to find full path for "g++" [2024-11-13 22:17:51,726 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:17:52,014 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:17:52,015 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc874bc-a7ec-4d9e-aeac-17680b1bee93/sv-benchmarks/c/termination-nla/egcd2-both-nt.c [2024-11-13 22:17:52,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc874bc-a7ec-4d9e-aeac-17680b1bee93/bin/ukojak-verify-EEHR8qb7sm/data/c3c4de6d9/338e52da04ec4e5fb58c3498919b887d/FLAG39999d020 [2024-11-13 22:17:52,047 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc874bc-a7ec-4d9e-aeac-17680b1bee93/bin/ukojak-verify-EEHR8qb7sm/data/c3c4de6d9/338e52da04ec4e5fb58c3498919b887d [2024-11-13 22:17:52,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:17:52,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:17:52,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:17:52,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:17:52,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:17:52,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:17:52" (1/1) ... [2024-11-13 22:17:52,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3722cecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:52, skipping insertion in model container [2024-11-13 22:17:52,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:17:52" (1/1) ... [2024-11-13 22:17:52,083 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:17:52,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:17:52,277 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:17:52,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:17:52,318 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:17:52,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:52 WrapperNode [2024-11-13 22:17:52,319 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:17:52,320 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:17:52,320 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:17:52,321 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:17:52,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:52" (1/1) ... [2024-11-13 22:17:52,332 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:52" (1/1) ... [2024-11-13 22:17:52,353 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 76 [2024-11-13 22:17:52,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:17:52,354 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:17:52,354 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:17:52,354 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:17:52,365 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:52" (1/1) ... [2024-11-13 22:17:52,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:52" (1/1) ... [2024-11-13 22:17:52,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:52" (1/1) ... [2024-11-13 22:17:52,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:52" (1/1) ... [2024-11-13 22:17:52,372 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:52" (1/1) ... [2024-11-13 22:17:52,380 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:52" (1/1) ... [2024-11-13 22:17:52,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:52" (1/1) ... [2024-11-13 22:17:52,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:52" (1/1) ... [2024-11-13 22:17:52,386 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:17:52,391 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:17:52,391 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:17:52,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:17:52,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:52" (1/1) ... [2024-11-13 22:17:52,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:17:52,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc874bc-a7ec-4d9e-aeac-17680b1bee93/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:17:52,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc874bc-a7ec-4d9e-aeac-17680b1bee93/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:17:52,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc874bc-a7ec-4d9e-aeac-17680b1bee93/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:17:52,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:17:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:17:52,560 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:17:52,562 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:17:52,790 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-11-13 22:17:52,791 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:17:52,814 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:17:52,815 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:17:52,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:17:52 BoogieIcfgContainer [2024-11-13 22:17:52,815 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:17:52,816 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:17:52,816 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:17:52,824 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:17:52,824 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:17:52" (1/1) ... [2024-11-13 22:17:52,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:17:52,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:52,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 46 states and 51 transitions. [2024-11-13 22:17:52,886 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2024-11-13 22:17:52,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:17:52,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:52,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:17:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:53,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:17:53,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:17:53,068 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 22:17:53,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:53,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 49 states and 55 transitions. [2024-11-13 22:17:53,121 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2024-11-13 22:17:53,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:17:53,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:53,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:17:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:53,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:17:53,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:17:53,211 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 22:17:53,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:53,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 50 states and 56 transitions. [2024-11-13 22:17:53,243 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2024-11-13 22:17:53,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:17:53,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:53,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:17:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:53,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:17:53,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:17:53,400 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 22:17:53,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:53,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 55 states and 65 transitions. [2024-11-13 22:17:53,624 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2024-11-13 22:17:53,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:17:53,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:53,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:17:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:53,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:17:53,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:17:53,824 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 22:17:54,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:54,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 61 states and 76 transitions. [2024-11-13 22:17:54,301 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 76 transitions. [2024-11-13 22:17:54,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:17:54,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:54,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:17:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:54,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:17:54,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:17:54,423 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 22:17:54,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:54,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2024-11-13 22:17:54,724 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2024-11-13 22:17:54,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:17:54,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:54,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:17:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:54,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:17:54,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:17:55,021 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 22:17:55,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:55,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2024-11-13 22:17:55,761 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2024-11-13 22:17:55,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:17:55,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:55,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:56,088 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 22:17:58,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:58,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 75 states and 99 transitions. [2024-11-13 22:17:58,837 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2024-11-13 22:17:58,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:17:58,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:58,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:17:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:58,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:17:58,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:17:58,957 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 22:18:01,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:01,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 86 states and 118 transitions. [2024-11-13 22:18:01,379 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 118 transitions. [2024-11-13 22:18:01,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:18:01,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:01,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:18:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:18:01,580 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 22:18:04,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:04,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 97 states and 137 transitions. [2024-11-13 22:18:04,492 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 137 transitions. [2024-11-13 22:18:04,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:18:04,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:04,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:18:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:18:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:18:04,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:18:04,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:18:04,582 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 22:18:04,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:04,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 98 states and 138 transitions. [2024-11-13 22:18:04,608 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 138 transitions. [2024-11-13 22:18:04,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:18:04,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:04,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:18:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:18:04,754 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 22:18:07,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:07,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 108 states and 156 transitions. [2024-11-13 22:18:07,705 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 156 transitions. [2024-11-13 22:18:07,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:18:07,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:07,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:18:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:18:07,961 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 22:18:09,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:09,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 115 states and 171 transitions. [2024-11-13 22:18:09,645 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 171 transitions. [2024-11-13 22:18:09,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:18:09,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:09,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:18:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:18:09,756 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 22:18:12,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:12,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 126 states and 197 transitions. [2024-11-13 22:18:12,385 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 197 transitions. [2024-11-13 22:18:12,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:18:12,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:12,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:18:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:18:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:18:12,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:18:12,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:18:12,734 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 22:18:15,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:15,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 134 states and 212 transitions. [2024-11-13 22:18:15,410 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 212 transitions. [2024-11-13 22:18:15,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:18:15,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:15,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:18:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:18:15,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:18:17,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:17,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 140 states and 227 transitions. [2024-11-13 22:18:17,920 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 227 transitions. [2024-11-13 22:18:17,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:18:17,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:17,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:18:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:18:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:18:17,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:18:17,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:18:18,890 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 22:18:20,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:20,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 146 states and 238 transitions. [2024-11-13 22:18:20,169 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 238 transitions. [2024-11-13 22:18:20,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:18:20,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:20,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:18:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:18:21,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:18:31,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:31,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 153 states and 254 transitions. [2024-11-13 22:18:31,125 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 254 transitions. [2024-11-13 22:18:31,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:18:31,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:31,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:18:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:18:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:18:31,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:18:31,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:18:32,194 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 22:18:32,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:32,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 154 states and 255 transitions. [2024-11-13 22:18:32,235 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 255 transitions. [2024-11-13 22:18:32,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:18:32,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:32,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:18:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:18:32,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:18:37,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:37,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 162 states and 274 transitions. [2024-11-13 22:18:37,147 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 274 transitions. [2024-11-13 22:18:37,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:18:37,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:37,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:18:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:18:37,173 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:18:40,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:40,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 164 states and 277 transitions. [2024-11-13 22:18:40,296 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 277 transitions. [2024-11-13 22:18:40,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:18:40,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:40,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:18:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:18:40,948 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 22:18:44,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:44,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 173 states and 298 transitions. [2024-11-13 22:18:44,720 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 298 transitions. [2024-11-13 22:18:44,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:18:44,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:44,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:18:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:18:45,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:18:57,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:57,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 182 states and 319 transitions. [2024-11-13 22:18:57,653 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 319 transitions. [2024-11-13 22:18:57,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:18:57,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:57,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:18:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:18:57,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:19:02,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:02,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 184 states and 322 transitions. [2024-11-13 22:19:02,575 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 322 transitions. [2024-11-13 22:19:02,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:19:02,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:02,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:19:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:19:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:02,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:19:02,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:19:03,233 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 22:19:07,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:07,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 194 states and 347 transitions. [2024-11-13 22:19:07,695 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 347 transitions. [2024-11-13 22:19:07,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:19:07,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:07,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:19:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:08,459 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:19:26,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:26,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 203 states and 368 transitions. [2024-11-13 22:19:26,426 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 368 transitions. [2024-11-13 22:19:26,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:19:26,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:26,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:19:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:26,464 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:19:30,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:30,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 204 states and 369 transitions. [2024-11-13 22:19:30,138 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 369 transitions. [2024-11-13 22:19:30,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:19:30,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:30,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:19:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:30,162 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:19:33,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:33,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 205 states and 369 transitions. [2024-11-13 22:19:33,200 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 369 transitions. [2024-11-13 22:19:33,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:19:33,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:33,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:19:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:33,955 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:19:53,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:53,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 215 states and 391 transitions. [2024-11-13 22:19:53,969 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 391 transitions. [2024-11-13 22:19:53,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:19:53,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:53,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:19:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:54,025 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:20:00,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:00,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 217 states and 392 transitions. [2024-11-13 22:20:00,183 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 392 transitions. [2024-11-13 22:20:00,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:20:00,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:00,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:20:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:00,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:20:00,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:00,455 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:20:02,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:02,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 226 states and 405 transitions. [2024-11-13 22:20:02,441 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 405 transitions. [2024-11-13 22:20:02,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:20:02,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:02,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:20:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:20:02,479 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:20:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:20:02,499 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 31 iterations. [2024-11-13 22:20:02,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:20:02 ImpRootNode [2024-11-13 22:20:02,535 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:20:02,536 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:20:02,536 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:20:02,536 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:20:02,537 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:17:52" (3/4) ... [2024-11-13 22:20:02,538 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 22:20:02,583 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc874bc-a7ec-4d9e-aeac-17680b1bee93/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:20:02,583 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:20:02,584 INFO L158 Benchmark]: Toolchain (without parser) took 130532.98ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 92.7MB in the beginning and 102.9MB in the end (delta: -10.2MB). Peak memory consumption was 87.9MB. Max. memory is 16.1GB. [2024-11-13 22:20:02,584 INFO L158 Benchmark]: CDTParser took 1.27ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:20:02,585 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.39ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 82.5MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:20:02,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.62ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:20:02,585 INFO L158 Benchmark]: Boogie Preprocessor took 32.46ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.6MB in the end (delta: 544.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:20:02,586 INFO L158 Benchmark]: RCFGBuilder took 423.81ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 67.7MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:20:02,586 INFO L158 Benchmark]: CodeCheck took 129719.67ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 67.7MB in the beginning and 105.1MB in the end (delta: -37.4MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. [2024-11-13 22:20:02,587 INFO L158 Benchmark]: Witness Printer took 47.02ms. Allocated memory is still 218.1MB. Free memory was 105.1MB in the beginning and 102.9MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:20:02,589 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 46 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 129.7s, OverallIterations: 31, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6204 SdHoareTripleChecker+Valid, 36.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5701 mSDsluCounter, 2724 SdHoareTripleChecker+Invalid, 32.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2172 mSDsCounter, 1477 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15640 IncrementalHoareTripleChecker+Invalid, 17117 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1477 mSolverCounterUnsat, 552 mSDtfsCounter, 15640 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4651 GetRequests, 3953 SyntacticMatches, 144 SemanticMatches, 554 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186074 ImplicationChecksByTransitivity, 123.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 517 NumberOfCodeBlocks, 517 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 463 ConstructedInterpolants, 0 QuantifiedInterpolants, 2087 SizeOfPredicates, 0 NumberOfNonLiveVariables, 583 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 30 InterpolantComputations, 30 PerfectInterpolantSequences, 47/47 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 52]: integer overflow possible integer overflow possible We found a FailurePath: [L19] int x, y; [L20] int a, b, p, q, r, s, c, k; [L21] x = __VERIFIER_nondet_int() [L22] y = __VERIFIER_nondet_int() [L25] COND FALSE !(x<1) VAL [x=1, y=2147483647] [L28] COND FALSE !(y < 1) [L33] a = x [L34] b = y [L35] p = 1 [L36] q = 0 [L37] r = 0 [L38] s = 1 [L39] c = 0 [L40] k = 0 VAL [a=1, b=2147483647, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L41] COND TRUE 1 VAL [a=1, b=2147483647, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L42] COND FALSE !(!(b != 0)) [L44] c = a [L45] k = 0 VAL [a=1, b=2147483647, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L47] EXPR y*r VAL [a=1, b=2147483647, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L47] EXPR x*p VAL [a=1, b=2147483647, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L47] EXPR y*r + x*p VAL [a=1, b=2147483647, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L47] COND TRUE a == y*r + x*p VAL [a=1, b=2147483647, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L52] EXPR c - b [L52] c = c - b VAL [a=1, b=2147483647, c=-2147483646, k=0, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L53] EXPR k + 1 [L53] k = k + 1 VAL [a=1, b=2147483647, c=-2147483646, k=1, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L47] EXPR y*r VAL [a=1, b=2147483647, c=-2147483646, k=1, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L47] EXPR x*p VAL [a=1, b=2147483647, c=-2147483646, k=1, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L47] EXPR y*r + x*p VAL [a=1, b=2147483647, c=-2147483646, k=1, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L47] COND TRUE a == y*r + x*p VAL [a=1, b=2147483647, c=-2147483646, k=1, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L52] c - b VAL [a=1, k=1, p=1, q=0, r=0, s=1, x=1, y=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.39ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 82.5MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.62ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.46ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.6MB in the end (delta: 544.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 423.81ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 67.7MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 129719.67ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 67.7MB in the beginning and 105.1MB in the end (delta: -37.4MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. * Witness Printer took 47.02ms. Allocated memory is still 218.1MB. Free memory was 105.1MB in the beginning and 102.9MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 22:20:02,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc874bc-a7ec-4d9e-aeac-17680b1bee93/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)