./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound10.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_b414f6f1-5458-4ede-af32-2a6bddcb91dc/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b414f6f1-5458-4ede-af32-2a6bddcb91dc/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_b414f6f1-5458-4ede-af32-2a6bddcb91dc/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b414f6f1-5458-4ede-af32-2a6bddcb91dc/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b414f6f1-5458-4ede-af32-2a6bddcb91dc/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_b414f6f1-5458-4ede-af32-2a6bddcb91dc/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 97bfd47a763eadf3b0af2f8e585b7163ffc0c68bcbafc8205f8cd9e774a99e69 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:51:53,842 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:51:53,936 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b414f6f1-5458-4ede-af32-2a6bddcb91dc/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 21:51:53,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:51:53,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:51:53,982 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:51:53,983 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:51:53,984 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:51:53,984 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:51:53,985 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:51:53,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:51:53,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:51:53,986 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:51:53,986 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:51:53,986 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:51:53,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:51:53,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:51:53,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:51:53,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:51:53,987 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:51:53,988 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:51:53,988 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:51:53,988 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:51:53,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:51:53,988 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:51:53,988 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:51:53,988 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:51:53,989 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:51:53,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:51:53,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:51:53,989 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:51:53,989 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:51:53,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:51:53,990 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:51:53,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:51:53,991 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_b414f6f1-5458-4ede-af32-2a6bddcb91dc/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 -> 97bfd47a763eadf3b0af2f8e585b7163ffc0c68bcbafc8205f8cd9e774a99e69 [2024-11-13 21:51:54,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:51:54,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:51:54,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:51:54,331 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:51:54,332 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:51:54,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b414f6f1-5458-4ede-af32-2a6bddcb91dc/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound10.c Unable to find full path for "g++" [2024-11-13 21:51:56,237 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:51:56,569 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:51:56,574 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b414f6f1-5458-4ede-af32-2a6bddcb91dc/sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound10.c [2024-11-13 21:51:56,592 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b414f6f1-5458-4ede-af32-2a6bddcb91dc/bin/ukojak-verify-EEHR8qb7sm/data/8ca3298d5/9e099ac2dbc4476e8ef4aff5fff3eaba/FLAGb64a6ac10 [2024-11-13 21:51:56,615 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b414f6f1-5458-4ede-af32-2a6bddcb91dc/bin/ukojak-verify-EEHR8qb7sm/data/8ca3298d5/9e099ac2dbc4476e8ef4aff5fff3eaba [2024-11-13 21:51:56,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:51:56,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:51:56,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:51:56,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:51:56,625 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:51:56,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:51:56" (1/1) ... [2024-11-13 21:51:56,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e2b6ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:56, skipping insertion in model container [2024-11-13 21:51:56,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:51:56" (1/1) ... [2024-11-13 21:51:56,641 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:51:56,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:51:56,846 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:51:56,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:51:56,887 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:51:56,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:56 WrapperNode [2024-11-13 21:51:56,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:51:56,889 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:51:56,889 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:51:56,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:51:56,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:56" (1/1) ... [2024-11-13 21:51:56,903 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:56" (1/1) ... [2024-11-13 21:51:56,932 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2024-11-13 21:51:56,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:51:56,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:51:56,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:51:56,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:51:56,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:56" (1/1) ... [2024-11-13 21:51:56,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:56" (1/1) ... [2024-11-13 21:51:56,949 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:56" (1/1) ... [2024-11-13 21:51:56,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:56" (1/1) ... [2024-11-13 21:51:56,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:56" (1/1) ... [2024-11-13 21:51:56,960 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:56" (1/1) ... [2024-11-13 21:51:56,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:56" (1/1) ... [2024-11-13 21:51:56,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:56" (1/1) ... [2024-11-13 21:51:56,963 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:51:56,964 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:51:56,964 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:51:56,964 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:51:56,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:56" (1/1) ... [2024-11-13 21:51:56,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:51:56,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b414f6f1-5458-4ede-af32-2a6bddcb91dc/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:51:57,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b414f6f1-5458-4ede-af32-2a6bddcb91dc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:51:57,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b414f6f1-5458-4ede-af32-2a6bddcb91dc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:51:57,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:51:57,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:51:57,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:51:57,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:51:57,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:51:57,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:51:57,102 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:51:57,104 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:51:57,437 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-11-13 21:51:57,437 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:51:57,473 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:51:57,473 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:51:57,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:51:57 BoogieIcfgContainer [2024-11-13 21:51:57,473 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:51:57,474 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:51:57,474 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:51:57,488 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:51:57,491 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:51:57" (1/1) ... [2024-11-13 21:51:57,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:51:57,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:57,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 58 states and 61 transitions. [2024-11-13 21:51:57,556 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2024-11-13 21:51:57,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:51:57,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:57,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:57,782 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 21:51:57,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:57,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 60 states and 63 transitions. [2024-11-13 21:51:57,847 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2024-11-13 21:51:57,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:51:57,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:57,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:57,904 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 21:51:57,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:57,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 61 states and 64 transitions. [2024-11-13 21:51:57,942 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2024-11-13 21:51:57,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:51:57,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:57,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:58,050 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 21:51:58,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:58,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 62 states and 65 transitions. [2024-11-13 21:51:58,067 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2024-11-13 21:51:58,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:51:58,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:58,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:58,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:51:58,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:58,143 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 21:51:58,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:58,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 67 states and 72 transitions. [2024-11-13 21:51:58,411 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2024-11-13 21:51:58,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:51:58,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:58,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:58,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:51:58,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:58,467 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 21:51:58,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:58,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 68 states and 73 transitions. [2024-11-13 21:51:58,490 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 73 transitions. [2024-11-13 21:51:58,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:51:58,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:58,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:58,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:51:58,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:58,560 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 21:51:58,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:58,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 69 states and 74 transitions. [2024-11-13 21:51:58,583 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2024-11-13 21:51:58,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:51:58,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:58,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:58,665 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 21:51:58,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:58,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 70 states and 75 transitions. [2024-11-13 21:51:58,680 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2024-11-13 21:51:58,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:51:58,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:58,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:58,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:51:58,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:58,825 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 21:51:59,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:59,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 79 states and 86 transitions. [2024-11-13 21:51:59,241 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2024-11-13 21:51:59,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:51:59,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:59,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:59,439 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 21:52:00,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:00,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 89 states and 100 transitions. [2024-11-13 21:52:00,156 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 100 transitions. [2024-11-13 21:52:00,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:52:00,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:00,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:52:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:00,260 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 21:52:00,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:00,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 90 states and 102 transitions. [2024-11-13 21:52:00,599 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2024-11-13 21:52:00,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:52:00,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:00,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:52:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:00,711 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 21:52:00,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:00,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 92 states and 105 transitions. [2024-11-13 21:52:00,957 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 105 transitions. [2024-11-13 21:52:00,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:52:00,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:00,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:52:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:52:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:00,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:52:00,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:01,039 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 21:52:01,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:01,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 95 states and 111 transitions. [2024-11-13 21:52:01,077 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2024-11-13 21:52:01,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:52:01,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:01,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:52:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:01,167 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 21:52:02,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:02,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 110 states and 134 transitions. [2024-11-13 21:52:02,721 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 134 transitions. [2024-11-13 21:52:02,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:52:02,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:02,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:52:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:52:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:02,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:52:02,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:02,832 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 21:52:02,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:02,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 111 states and 135 transitions. [2024-11-13 21:52:02,861 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 135 transitions. [2024-11-13 21:52:02,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:52:02,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:02,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:52:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:02,910 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 21:52:02,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:02,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 112 states and 136 transitions. [2024-11-13 21:52:02,933 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 136 transitions. [2024-11-13 21:52:02,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:52:02,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:02,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:52:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:03,129 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 21:52:03,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:03,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 113 states and 138 transitions. [2024-11-13 21:52:03,414 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 138 transitions. [2024-11-13 21:52:03,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:52:03,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:03,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:52:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:03,717 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 21:52:07,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:07,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 116 states and 142 transitions. [2024-11-13 21:52:07,747 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 142 transitions. [2024-11-13 21:52:07,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:52:07,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:07,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:52:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:52:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:07,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:52:07,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:07,906 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 21:52:08,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:08,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 118 states and 145 transitions. [2024-11-13 21:52:08,143 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 145 transitions. [2024-11-13 21:52:08,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:52:08,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:08,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:52:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:09,272 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 21:52:17,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:17,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 122 states and 150 transitions. [2024-11-13 21:52:17,676 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 150 transitions. [2024-11-13 21:52:17,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:52:17,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:17,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:52:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:34,810 WARN L286 SmtUtils]: Spent 12.81s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:54:18,785 WARN L286 SmtUtils]: Spent 20.04s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:55:24,396 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 21:57:16,795 WARN L286 SmtUtils]: Spent 10.17s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:57:42,001 WARN L851 $PredicateComparison]: unable to prove that (not (let ((.cse0 (* |c_ULTIMATE.start_main_~x~0#1| (div |c_ULTIMATE.start_main_~z~0#1| 4294967296)))) (and (<= (+ |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~x~0#1| (* 4294967296 .cse0)) (+ (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1|) 1)) (<= (* |c_ULTIMATE.start_main_~x~0#1| (div (+ 4294967295 |c_ULTIMATE.start_main_~z~0#1|) 4294967296)) (+ |c_ULTIMATE.start_main_~x~0#1| 2147483648 .cse0))))) is different from false [2024-11-13 21:58:40,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:40,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 127 states and 160 transitions. [2024-11-13 21:58:40,790 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 160 transitions. [2024-11-13 21:58:40,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:58:40,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:40,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:41,254 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 21:58:41,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:41,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 126 states and 159 transitions. [2024-11-13 21:58:41,354 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 159 transitions. [2024-11-13 21:58:41,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:58:41,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:41,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:01,578 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 21:59:50,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:50,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 139 states and 177 transitions. [2024-11-13 21:59:50,128 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 177 transitions. [2024-11-13 21:59:50,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:59:50,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:50,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:59:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:50,448 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 22:00:35,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:35,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 149 states and 189 transitions. [2024-11-13 22:00:35,872 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 189 transitions. [2024-11-13 22:00:35,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:00:35,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:35,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:35,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:00:35,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:37,350 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 22:01:23,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:23,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 167 states and 211 transitions. [2024-11-13 22:01:23,991 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 211 transitions. [2024-11-13 22:01:23,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:01:23,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:23,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:01:24,018 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:01:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:01:24,047 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 25 iterations. [2024-11-13 22:01:24,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:01:24 ImpRootNode [2024-11-13 22:01:24,093 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:01:24,094 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:01:24,094 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:01:24,094 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:01:24,095 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:51:57" (3/4) ... [2024-11-13 22:01:24,096 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 22:01:24,146 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b414f6f1-5458-4ede-af32-2a6bddcb91dc/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:01:24,146 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:01:24,147 INFO L158 Benchmark]: Toolchain (without parser) took 567528.27ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 30.8MB in the end (delta: 63.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 22:01:24,147 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:01:24,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.42ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 83.5MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:01:24,149 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.01ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 81.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:01:24,149 INFO L158 Benchmark]: Boogie Preprocessor took 30.79ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 81.2MB in the end (delta: 659.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:01:24,150 INFO L158 Benchmark]: RCFGBuilder took 509.45ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 64.2MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:01:24,151 INFO L158 Benchmark]: CodeCheck took 566618.93ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 33.1MB in the end (delta: 31.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 22:01:24,152 INFO L158 Benchmark]: Witness Printer took 52.42ms. Allocated memory is still 117.4MB. Free memory was 33.1MB in the beginning and 30.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:01:24,153 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 2 procedures, 58 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 566.5s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2225 SdHoareTripleChecker+Valid, 12.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1744 mSDsluCounter, 348 SdHoareTripleChecker+Invalid, 11.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 116 mSDsCounter, 577 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5110 IncrementalHoareTripleChecker+Invalid, 5687 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 577 mSolverCounterUnsat, 232 mSDtfsCounter, 5110 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2897 GetRequests, 2621 SyntacticMatches, 88 SemanticMatches, 188 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 19762 ImplicationChecksByTransitivity, 545.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 211.9s InterpolantComputationTime, 384 NumberOfCodeBlocks, 384 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 335 ConstructedInterpolants, 0 QuantifiedInterpolants, 1969 SizeOfPredicates, 0 NumberOfNonLiveVariables, 379 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 0/0 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: 41]: integer overflow possible integer overflow possible We found a FailurePath: [L22] int counter = 0; [L24] unsigned int z, k; [L25] long long x, y, c; [L26] z = __VERIFIER_nondet_uint() [L27] k = __VERIFIER_nondet_uint() [L29] x = 1 [L30] y = z [L31] c = 1 VAL [c=1, counter=0, x=1, y=3037000500, z=7331967796] [L33] EXPR counter++ VAL [c=1, counter=1, x=1, y=3037000500, z=7331967796] [L33] COND TRUE counter++<10 [L34] EXPR x*z VAL [c=1, counter=1, x=1, y=3037000500, z=7331967796] [L34] EXPR x*z - x VAL [c=1, counter=1, x=1, y=3037000500, z=7331967796] [L34] EXPR x*z - x - y VAL [c=1, counter=1, x=1, y=3037000500, z=7331967796] [L34] EXPR x*z - x - y + 1 VAL [c=1, counter=1, x=1, y=3037000500, z=7331967796] [L34] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [counter=1] [L16] COND FALSE !(!(cond)) [L34] RET __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [c=1, counter=1, x=1, y=3037000500, z=7331967796] [L36] COND FALSE !(!(c < k)) VAL [c=1, counter=1, k=2, x=1, y=3037000500, z=7331967796] [L39] EXPR c + 1 [L39] c = c + 1 VAL [c=2, counter=1, k=2, x=1, y=3037000500, z=7331967796] [L40] EXPR x * z VAL [c=2, counter=1, k=2, x=1, y=3037000500, z=7331967796] [L40] EXPR x * z + 1 [L40] x = x * z + 1 VAL [c=2, counter=1, k=2, x=3037000501, y=3037000500, z=7331967796] [L41] y * z VAL [c=2, counter=1, k=2, x=3037000501] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.42ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 83.5MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.01ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 81.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.79ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 81.2MB in the end (delta: 659.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 509.45ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 64.2MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 566618.93ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 33.1MB in the end (delta: 31.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 52.42ms. Allocated memory is still 117.4MB. Free memory was 33.1MB in the beginning and 30.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 22:01:24,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b414f6f1-5458-4ede-af32-2a6bddcb91dc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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)