./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_add-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f67bfc2-223e-423d-b9ca-5e4c01ec6a11/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f67bfc2-223e-423d-b9ca-5e4c01ec6a11/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_3f67bfc2-223e-423d-b9ca-5e4c01ec6a11/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f67bfc2-223e-423d-b9ca-5e4c01ec6a11/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_add-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f67bfc2-223e-423d-b9ca-5e4c01ec6a11/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f67bfc2-223e-423d-b9ca-5e4c01ec6a11/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ed7fc1ee8e8624c54bbfaff1033820d20aa5fb88ac8eae06fb8e7107f72c3762 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:21:07,614 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:21:07,716 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f67bfc2-223e-423d-b9ca-5e4c01ec6a11/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:21:07,724 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:21:07,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:21:07,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:21:07,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:21:07,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:21:07,765 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:21:07,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:21:07,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:21:07,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:21:07,767 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:21:07,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:21:07,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:21:07,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:21:07,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:21:07,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:21:07,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:21:07,768 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:21:07,769 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:21:07,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:21:07,769 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:21:07,769 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:21:07,769 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:21:07,769 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:21:07,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:21:07,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:21:07,770 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:21:07,770 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:21:07,770 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:21:07,771 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:21:07,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:21:07,771 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_3f67bfc2-223e-423d-b9ca-5e4c01ec6a11/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed7fc1ee8e8624c54bbfaff1033820d20aa5fb88ac8eae06fb8e7107f72c3762 [2024-11-13 21:21:08,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:21:08,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:21:08,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:21:08,108 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:21:08,108 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:21:08,110 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f67bfc2-223e-423d-b9ca-5e4c01ec6a11/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ldv-sets/test_add-1.i Unable to find full path for "g++" [2024-11-13 21:21:10,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:21:10,370 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:21:10,371 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f67bfc2-223e-423d-b9ca-5e4c01ec6a11/sv-benchmarks/c/ldv-sets/test_add-1.i [2024-11-13 21:21:10,388 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f67bfc2-223e-423d-b9ca-5e4c01ec6a11/bin/ukojak-verify-EEHR8qb7sm/data/b1ee5d1a5/6eee34163eb24953af2f15a74587a1c9/FLAGe444b9410 [2024-11-13 21:21:10,421 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f67bfc2-223e-423d-b9ca-5e4c01ec6a11/bin/ukojak-verify-EEHR8qb7sm/data/b1ee5d1a5/6eee34163eb24953af2f15a74587a1c9 [2024-11-13 21:21:10,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:21:10,426 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:21:10,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:21:10,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:21:10,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:21:10,432 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:21:10" (1/1) ... [2024-11-13 21:21:10,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a395096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:10, skipping insertion in model container [2024-11-13 21:21:10,433 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:21:10" (1/1) ... [2024-11-13 21:21:10,477 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:21:10,820 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f67bfc2-223e-423d-b9ca-5e4c01ec6a11/sv-benchmarks/c/ldv-sets/test_add-1.i[25792,25805] [2024-11-13 21:21:10,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:21:10,844 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:21:10,901 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f67bfc2-223e-423d-b9ca-5e4c01ec6a11/sv-benchmarks/c/ldv-sets/test_add-1.i[25792,25805] [2024-11-13 21:21:10,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:21:10,928 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:21:10,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:10 WrapperNode [2024-11-13 21:21:10,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:21:10,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:21:10,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:21:10,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:21:10,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:10" (1/1) ... [2024-11-13 21:21:10,948 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:10" (1/1) ... [2024-11-13 21:21:10,974 INFO L138 Inliner]: procedures = 135, calls = 46, calls flagged for inlining = 11, calls inlined = 7, statements flattened = 56 [2024-11-13 21:21:10,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:21:10,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:21:10,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:21:10,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:21:10,984 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:10" (1/1) ... [2024-11-13 21:21:10,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:10" (1/1) ... [2024-11-13 21:21:10,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:10" (1/1) ... [2024-11-13 21:21:10,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:10" (1/1) ... [2024-11-13 21:21:10,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:10" (1/1) ... [2024-11-13 21:21:10,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:10" (1/1) ... [2024-11-13 21:21:10,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:10" (1/1) ... [2024-11-13 21:21:11,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:10" (1/1) ... [2024-11-13 21:21:11,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:21:11,003 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:21:11,003 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:21:11,004 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:21:11,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:10" (1/1) ... [2024-11-13 21:21:11,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:21:11,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f67bfc2-223e-423d-b9ca-5e4c01ec6a11/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:21:11,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f67bfc2-223e-423d-b9ca-5e4c01ec6a11/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:21:11,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f67bfc2-223e-423d-b9ca-5e4c01ec6a11/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:21:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:21:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2024-11-13 21:21:11,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2024-11-13 21:21:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:21:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:21:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:21:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 21:21:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2024-11-13 21:21:11,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2024-11-13 21:21:11,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 21:21:11,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 21:21:11,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:21:11,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:21:11,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:21:11,229 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:21:11,231 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:21:11,427 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-13 21:21:11,428 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:21:11,517 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:21:11,517 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:21:11,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:21:11 BoogieIcfgContainer [2024-11-13 21:21:11,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:21:11,519 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:21:11,519 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:21:11,532 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:21:11,533 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:21:11" (1/1) ... [2024-11-13 21:21:11,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:21:11,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:11,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2024-11-13 21:21:11,607 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-11-13 21:21:11,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:21:11,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:11,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:11,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:21:12,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:12,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2024-11-13 21:21:12,020 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-11-13 21:21:12,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:21:12,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:12,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:12,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:21:12,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:12,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 37 transitions. [2024-11-13 21:21:12,817 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-11-13 21:21:12,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:21:12,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:12,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:12,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:21:13,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:13,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 38 transitions. [2024-11-13 21:21:13,049 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2024-11-13 21:21:13,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:21:13,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:13,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:21:13,122 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:21:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:21:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:21:13,334 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:21:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:21:13,429 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-13 21:21:13,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:21:13 ImpRootNode [2024-11-13 21:21:13,473 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:21:13,474 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:21:13,475 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:21:13,475 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:21:13,476 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:21:11" (3/4) ... [2024-11-13 21:21:13,476 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 21:21:13,537 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f67bfc2-223e-423d-b9ca-5e4c01ec6a11/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:21:13,537 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:21:13,540 INFO L158 Benchmark]: Toolchain (without parser) took 3112.74ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 47.5MB in the end (delta: 69.5MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2024-11-13 21:21:13,541 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:13,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.71ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 97.6MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:21:13,541 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.22ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 95.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:13,542 INFO L158 Benchmark]: Boogie Preprocessor took 27.56ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 94.6MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:21:13,542 INFO L158 Benchmark]: RCFGBuilder took 514.76ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 76.1MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:21:13,542 INFO L158 Benchmark]: CodeCheck took 1954.85ms. Allocated memory is still 142.6MB. Free memory was 76.1MB in the beginning and 49.7MB in the end (delta: 26.4MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2024-11-13 21:21:13,543 INFO L158 Benchmark]: Witness Printer took 63.29ms. Allocated memory is still 142.6MB. Free memory was 49.7MB in the beginning and 47.5MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:13,545 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 3 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 105 IncrementalHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 57 mSDtfsCounter, 105 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 366 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 159 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 7/12 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: 667]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L662] struct ldv_list_head s1 = { &(s1), &(s1) }; [L671] CALL foo() [L665] int j = __VERIFIER_nondet_int(); [L666] CALL ldv_set_add(j, &s1) [L633] CALL, EXPR ldv_is_in_set(new, s) VAL [\old(e)=22286, \old(s)={3:0}, s1={3:0}] [L651] struct ldv_list_element *m; [L652] EXPR (s)->next [L652] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L652] { const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );} [L652] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L652] COND FALSE !(&m->list != (s)) [L657] return 0; VAL [\old(e)=22286, \old(s)={3:0}, \result=0, e=22286, s1={3:0}] [L633] RET, EXPR ldv_is_in_set(new, s) VAL [new=22286, s1={3:0}, s={3:0}] [L633] COND TRUE !ldv_is_in_set(new, s) [L634] struct ldv_list_element *le; [L635] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) [L576] void *ptr = malloc(size); [L577] CALL assume_abort_if_not(ptr!=0) [L565] COND FALSE !(!cond) [L577] RET assume_abort_if_not(ptr!=0) [L578] return ptr; [L635] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) [L635] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L636] le->e = new [L637] CALL ldv_list_add(&le->list, s) [L605] EXPR head->next VAL [head={3:0}, new={-1:4}, s1={3:0}] [L605] CALL __ldv_list_add(new, head, head->next) VAL [\old(new)={-1:4}, \old(next)={3:0}, \old(prev)={3:0}, s1={3:0}] [L593] next->prev = new [L594] new->next = next [L595] new->prev = prev [L596] prev->next = new [L605] RET __ldv_list_add(new, head, head->next) VAL [head={3:0}, new={-1:4}, s1={3:0}] [L637] RET ldv_list_add(&le->list, s) [L666] RET ldv_set_add(j, &s1) [L667] CALL ldv_is_in_set(j, &s1) VAL [\old(e)=22286, \old(s)={3:0}, s1={3:0}] [L651] struct ldv_list_element *m; [L652] EXPR (s)->next [L652] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L652] { const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );} [L652] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L652] COND TRUE &m->list != (s) [L653] EXPR m->e VAL [\old(e)=22286, \old(s)={3:0}, e=22286, m={-1:0}, s1={3:0}, s={3:0}] [L653] COND TRUE m->e == e [L654] return 1; VAL [\old(e)=22286, \old(s)={3:0}, \result=1, m={-1:0}, s1={3:0}, s={3:0}] [L667] RET ldv_is_in_set(j, &s1) VAL [j=22286, s1={3:0}] [L667] COND TRUE ldv_is_in_set(j, &s1) [L667] reach_error() VAL [j=22286, s1={3:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.71ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 97.6MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.22ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 95.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.56ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 94.6MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 514.76ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 76.1MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1954.85ms. Allocated memory is still 142.6MB. Free memory was 76.1MB in the beginning and 49.7MB in the end (delta: 26.4MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * Witness Printer took 63.29ms. Allocated memory is still 142.6MB. Free memory was 49.7MB in the beginning and 47.5MB 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 21:21:13,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f67bfc2-223e-423d-b9ca-5e4c01ec6a11/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