./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-properties/list_flag-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/list_flag-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4547628201bbb61f481f84914c46868091db8c6a3d0c4d8890951b495ae3c7da --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:06:38,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:06:39,022 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-25 05:06:39,030 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:06:39,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:06:39,065 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:06:39,068 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:06:39,068 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:06:39,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:06:39,069 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:06:39,069 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:06:39,069 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:06:39,069 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:06:39,069 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 05:06:39,069 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 05:06:39,069 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 05:06:39,070 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:06:39,070 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:06:39,070 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:06:39,070 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:06:39,070 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:06:39,070 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:06:39,072 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:06:39,072 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:06:39,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:06:39,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:06:39,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:06:39,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:06:39,073 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:06:39,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:06:39,073 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_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 4547628201bbb61f481f84914c46868091db8c6a3d0c4d8890951b495ae3c7da [2024-11-25 05:06:39,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:06:39,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:06:39,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:06:39,397 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:06:39,398 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:06:39,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/list-properties/list_flag-2.i [2024-11-25 05:06:42,391 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/data/38bed8429/27e0c3dd26534fd995135d29847b5993/FLAG3ba2d9777 [2024-11-25 05:06:42,757 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:06:42,758 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/sv-benchmarks/c/list-properties/list_flag-2.i [2024-11-25 05:06:42,771 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/data/38bed8429/27e0c3dd26534fd995135d29847b5993/FLAG3ba2d9777 [2024-11-25 05:06:42,797 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/data/38bed8429/27e0c3dd26534fd995135d29847b5993 [2024-11-25 05:06:42,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:06:42,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:06:42,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:06:42,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:06:42,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:06:42,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:06:42" (1/1) ... [2024-11-25 05:06:42,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4934751f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:42, skipping insertion in model container [2024-11-25 05:06:42,813 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:06:42" (1/1) ... [2024-11-25 05:06:42,854 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:06:43,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:06:43,263 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:06:43,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:06:43,349 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:06:43,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43 WrapperNode [2024-11-25 05:06:43,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:06:43,351 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:06:43,351 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:06:43,351 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:06:43,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43" (1/1) ... [2024-11-25 05:06:43,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43" (1/1) ... [2024-11-25 05:06:43,399 INFO L138 Inliner]: procedures = 124, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2024-11-25 05:06:43,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:06:43,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:06:43,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:06:43,401 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:06:43,407 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43" (1/1) ... [2024-11-25 05:06:43,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43" (1/1) ... [2024-11-25 05:06:43,414 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43" (1/1) ... [2024-11-25 05:06:43,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43" (1/1) ... [2024-11-25 05:06:43,427 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43" (1/1) ... [2024-11-25 05:06:43,428 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43" (1/1) ... [2024-11-25 05:06:43,431 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43" (1/1) ... [2024-11-25 05:06:43,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43" (1/1) ... [2024-11-25 05:06:43,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43" (1/1) ... [2024-11-25 05:06:43,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:06:43,444 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:06:43,444 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:06:43,444 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:06:43,445 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43" (1/1) ... [2024-11-25 05:06:43,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:06:43,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:06:43,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:06:43,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:06:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 05:06:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 05:06:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 05:06:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:06:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-25 05:06:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-25 05:06:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:06:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:06:43,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:06:43,656 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:06:43,658 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:06:43,893 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-25 05:06:43,893 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:06:43,932 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:06:43,932 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-25 05:06:43,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:06:43 BoogieIcfgContainer [2024-11-25 05:06:43,933 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:06:43,934 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:06:43,934 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:06:43,945 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:06:43,945 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:06:43" (1/1) ... [2024-11-25 05:06:43,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:06:44,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:44,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 50 states and 61 transitions. [2024-11-25 05:06:44,013 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2024-11-25 05:06:44,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:06:44,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:44,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:44,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:44,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:44,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 60 transitions. [2024-11-25 05:06:44,221 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2024-11-25 05:06:44,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:06:44,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:44,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:44,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:44,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:44,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:44,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 53 states and 65 transitions. [2024-11-25 05:06:44,501 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2024-11-25 05:06:44,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:06:44,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:44,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:44,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:45,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:45,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 56 states and 70 transitions. [2024-11-25 05:06:45,052 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2024-11-25 05:06:45,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:06:45,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:45,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:45,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:45,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:45,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 58 states and 73 transitions. [2024-11-25 05:06:45,175 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2024-11-25 05:06:45,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:06:45,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:45,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:45,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:45,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:45,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 62 states and 80 transitions. [2024-11-25 05:06:45,868 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2024-11-25 05:06:45,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:06:45,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:45,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:45,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:45,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:45,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 81 transitions. [2024-11-25 05:06:45,956 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2024-11-25 05:06:45,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:06:45,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:45,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:46,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:46,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:46,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 64 states and 82 transitions. [2024-11-25 05:06:46,089 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2024-11-25 05:06:46,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:06:46,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:46,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:46,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:46,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:46,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 69 states and 93 transitions. [2024-11-25 05:06:46,585 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2024-11-25 05:06:46,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:06:46,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:46,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:46,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:47,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:47,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 74 states and 105 transitions. [2024-11-25 05:06:47,112 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2024-11-25 05:06:47,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:06:47,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:47,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:47,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:47,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:47,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 75 states and 106 transitions. [2024-11-25 05:06:47,193 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2024-11-25 05:06:47,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:06:47,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:47,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:47,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:47,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:47,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 78 states and 113 transitions. [2024-11-25 05:06:47,439 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 113 transitions. [2024-11-25 05:06:47,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:06:47,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:47,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:47,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:47,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:47,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 77 states and 112 transitions. [2024-11-25 05:06:47,606 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 112 transitions. [2024-11-25 05:06:47,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:06:47,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:47,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:47,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:47,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:47,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 80 states and 116 transitions. [2024-11-25 05:06:47,772 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 116 transitions. [2024-11-25 05:06:47,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:06:47,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:47,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:47,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:47,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:47,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 79 states and 115 transitions. [2024-11-25 05:06:47,838 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 115 transitions. [2024-11-25 05:06:47,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:06:47,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:47,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:48,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:48,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:48,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 82 states and 124 transitions. [2024-11-25 05:06:48,778 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 124 transitions. [2024-11-25 05:06:48,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:06:48,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:48,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:48,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:48,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:48,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 83 states and 126 transitions. [2024-11-25 05:06:48,820 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 126 transitions. [2024-11-25 05:06:48,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:06:48,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:48,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:49,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:49,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:49,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 85 states and 131 transitions. [2024-11-25 05:06:49,514 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 131 transitions. [2024-11-25 05:06:49,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:06:49,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:49,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:49,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:49,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:49,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 82 states and 127 transitions. [2024-11-25 05:06:49,567 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 127 transitions. [2024-11-25 05:06:49,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:06:49,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:49,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:49,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:49,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:49,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 84 states and 132 transitions. [2024-11-25 05:06:49,934 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 132 transitions. [2024-11-25 05:06:49,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:06:49,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:49,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:49,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:50,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:50,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 85 states and 133 transitions. [2024-11-25 05:06:50,188 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 133 transitions. [2024-11-25 05:06:50,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 05:06:50,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:50,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:50,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:50,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:50,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 84 states and 132 transitions. [2024-11-25 05:06:50,249 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 132 transitions. [2024-11-25 05:06:50,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 05:06:50,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:50,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:50,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:50,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:50,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 85 states and 139 transitions. [2024-11-25 05:06:50,326 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 139 transitions. [2024-11-25 05:06:50,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 05:06:50,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:50,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:06:50,338 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:06:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:06:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:06:50,394 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:06:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:06:50,418 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 23 iterations. [2024-11-25 05:06:50,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:06:50 ImpRootNode [2024-11-25 05:06:50,442 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:06:50,443 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:06:50,443 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:06:50,443 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:06:50,444 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:06:43" (3/4) ... [2024-11-25 05:06:50,447 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 05:06:50,448 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:06:50,449 INFO L158 Benchmark]: Toolchain (without parser) took 7645.36ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 92.2MB in the beginning and 190.3MB in the end (delta: -98.1MB). Peak memory consumption was 140.4MB. Max. memory is 16.1GB. [2024-11-25 05:06:50,449 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:06:50,450 INFO L158 Benchmark]: CACSL2BoogieTranslator took 545.28ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 75.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:06:50,450 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.20ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 73.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:06:50,450 INFO L158 Benchmark]: Boogie Preprocessor took 42.91ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 72.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:06:50,451 INFO L158 Benchmark]: RCFGBuilder took 488.91ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 54.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:06:50,451 INFO L158 Benchmark]: CodeCheck took 6508.96ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 54.5MB in the beginning and 190.4MB in the end (delta: -135.9MB). Peak memory consumption was 98.5MB. Max. memory is 16.1GB. [2024-11-25 05:06:50,452 INFO L158 Benchmark]: Witness Printer took 4.90ms. Allocated memory is still 352.3MB. Free memory was 190.4MB in the beginning and 190.3MB in the end (delta: 72.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:06:50,454 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, 50 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1439 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1029 mSDsluCounter, 2069 SdHoareTripleChecker+Invalid, 5.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1483 mSDsCounter, 707 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2439 IncrementalHoareTripleChecker+Invalid, 3146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 707 mSolverCounterUnsat, 586 mSDtfsCounter, 2439 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1447 GetRequests, 1334 SyntacticMatches, 21 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3342 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 705 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 531]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 531. Possible FailurePath: [L532] int flag = __VERIFIER_nondet_int(); [L533] List p, a, t; [L534] a = (List) malloc(sizeof(struct node)) [L535] COND FALSE !(a == 0) [L536] p = a VAL [a={-1:0}, flag=-1, p={-1:0}] [L537] COND FALSE !(__VERIFIER_nondet_int()) [L548] p->h = 3 [L549] p = a VAL [flag=-1, p={-1:0}] [L550] COND TRUE \read(flag) VAL [p={-1:0}] [L551] EXPR p->h VAL [p={-1:0}] [L551] COND FALSE !(p->h == 1) [L556] EXPR p->h [L556] COND FALSE !(p->h != 3) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 545.28ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 75.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.20ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 73.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.91ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 72.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 488.91ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 54.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 6508.96ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 54.5MB in the beginning and 190.4MB in the end (delta: -135.9MB). Peak memory consumption was 98.5MB. Max. memory is 16.1GB. * Witness Printer took 4.90ms. Allocated memory is still 352.3MB. Free memory was 190.4MB in the beginning and 190.3MB in the end (delta: 72.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 05:06:50,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/list_flag-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4547628201bbb61f481f84914c46868091db8c6a3d0c4d8890951b495ae3c7da --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:06:53,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:06:53,298 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-25 05:06:53,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:06:53,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:06:53,327 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:06:53,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:06:53,328 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:06:53,328 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:06:53,328 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:06:53,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:06:53,328 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 05:06:53,328 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 05:06:53,328 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 05:06:53,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:06:53,328 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:06:53,328 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:06:53,329 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:06:53,329 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:06:53,329 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:06:53,329 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:06:53,329 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:06:53,329 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:06:53,329 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:06:53,329 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:06:53,329 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:06:53,330 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:06:53,330 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:06:53,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:06:53,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:06:53,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:06:53,330 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:06:53,330 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:06:53,330 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:06:53,331 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_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 4547628201bbb61f481f84914c46868091db8c6a3d0c4d8890951b495ae3c7da [2024-11-25 05:06:53,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:06:53,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:06:53,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:06:53,656 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:06:53,656 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:06:53,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/list-properties/list_flag-2.i [2024-11-25 05:06:56,756 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/data/5a20bbc22/aa35f25dd9224728bab04e2330a83d37/FLAG8837177e9 [2024-11-25 05:06:57,124 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:06:57,128 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/sv-benchmarks/c/list-properties/list_flag-2.i [2024-11-25 05:06:57,145 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/data/5a20bbc22/aa35f25dd9224728bab04e2330a83d37/FLAG8837177e9 [2024-11-25 05:06:57,166 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/data/5a20bbc22/aa35f25dd9224728bab04e2330a83d37 [2024-11-25 05:06:57,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:06:57,171 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:06:57,173 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:06:57,173 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:06:57,177 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:06:57,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:06:57" (1/1) ... [2024-11-25 05:06:57,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cff69d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:57, skipping insertion in model container [2024-11-25 05:06:57,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:06:57" (1/1) ... [2024-11-25 05:06:57,225 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:06:57,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:06:57,665 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:06:57,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:06:57,767 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:06:57,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:57 WrapperNode [2024-11-25 05:06:57,768 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:06:57,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:06:57,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:06:57,770 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:06:57,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:57" (1/1) ... [2024-11-25 05:06:57,806 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:57" (1/1) ... [2024-11-25 05:06:57,838 INFO L138 Inliner]: procedures = 127, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-11-25 05:06:57,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:06:57,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:06:57,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:06:57,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:06:57,847 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:57" (1/1) ... [2024-11-25 05:06:57,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:57" (1/1) ... [2024-11-25 05:06:57,855 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:57" (1/1) ... [2024-11-25 05:06:57,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:57" (1/1) ... [2024-11-25 05:06:57,870 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:57" (1/1) ... [2024-11-25 05:06:57,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:57" (1/1) ... [2024-11-25 05:06:57,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:57" (1/1) ... [2024-11-25 05:06:57,883 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:57" (1/1) ... [2024-11-25 05:06:57,884 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:57" (1/1) ... [2024-11-25 05:06:57,887 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:06:57,888 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:06:57,888 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:06:57,888 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:06:57,889 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:57" (1/1) ... [2024-11-25 05:06:57,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:06:57,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:06:57,931 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:06:57,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:06:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 05:06:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 05:06:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:06:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-25 05:06:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-25 05:06:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 05:06:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:06:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:06:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:06:58,103 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:06:58,106 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:06:58,494 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-25 05:06:58,495 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:06:58,566 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:06:58,567 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-25 05:06:58,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:06:58 BoogieIcfgContainer [2024-11-25 05:06:58,567 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:06:58,568 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:06:58,568 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:06:58,578 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:06:58,578 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:06:58" (1/1) ... [2024-11-25 05:06:58,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:06:58,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:58,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 50 states and 61 transitions. [2024-11-25 05:06:58,646 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2024-11-25 05:06:58,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:06:58,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:58,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:06:58,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:06:58,655 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:06:58,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:06:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:58,777 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:06:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:58,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 05:06:58,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:06:58,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:58,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 05:06:58,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:58,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 60 transitions. [2024-11-25 05:06:58,868 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2024-11-25 05:06:58,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:06:58,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:58,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:06:58,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:06:58,871 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:06:58,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 05:06:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:58,968 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:06:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:58,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:06:58,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:06:59,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-25 05:06:59,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:59,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 05:06:59,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:59,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 53 states and 65 transitions. [2024-11-25 05:06:59,186 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2024-11-25 05:06:59,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:06:59,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:59,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:06:59,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:06:59,189 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:06:59,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 05:06:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:59,273 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:06:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:59,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 05:06:59,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:06:59,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-25 05:06:59,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:59,424 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 05:06:59,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 05:06:59,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:59,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 56 states and 70 transitions. [2024-11-25 05:06:59,788 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2024-11-25 05:06:59,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:06:59,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:59,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:06:59,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:06:59,791 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:06:59,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 05:06:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:59,872 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:06:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:59,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:06:59,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:06:59,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-25 05:06:59,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:59,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 05:06:59,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:59,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 58 states and 73 transitions. [2024-11-25 05:06:59,951 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2024-11-25 05:06:59,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:06:59,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:59,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:06:59,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:06:59,954 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:06:59,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 05:07:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:00,041 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:07:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:00,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 05:07:00,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:00,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-25 05:07:00,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:07:00,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-25 05:07:00,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:00,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 60 states and 76 transitions. [2024-11-25 05:07:00,175 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2024-11-25 05:07:00,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:07:00,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:00,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:07:00,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:07:00,178 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:07:00,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 05:07:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:00,254 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:07:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:00,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:07:00,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:00,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-25 05:07:00,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:07:00,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 05:07:00,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:00,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 61 states and 77 transitions. [2024-11-25 05:07:00,320 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2024-11-25 05:07:00,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:07:00,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:00,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:07:00,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:07:00,322 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:07:00,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 05:07:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:00,406 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:07:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:00,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 05:07:00,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:00,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-25 05:07:00,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:07:00,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 05:07:00,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:00,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 62 states and 78 transitions. [2024-11-25 05:07:00,530 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2024-11-25 05:07:00,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:07:00,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:00,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:07:00,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:07:00,538 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:07:00,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 05:07:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:00,632 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:07:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:00,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:07:00,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:00,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:07:00,702 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 05:07:00,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-25 05:07:01,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:01,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 67 states and 88 transitions. [2024-11-25 05:07:01,006 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2024-11-25 05:07:01,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:07:01,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:01,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:07:01,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:07:01,013 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:07:01,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 05:07:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:01,120 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:07:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:01,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:07:01,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:01,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-25 05:07:01,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:07:01,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 05:07:01,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:01,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 99 transitions. [2024-11-25 05:07:01,523 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2024-11-25 05:07:01,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:07:01,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:01,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:07:01,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:07:01,526 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:07:01,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 05:07:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:01,618 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:07:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:01,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:07:01,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:01,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:07:01,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 05:07:01,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:01,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2024-11-25 05:07:01,683 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2024-11-25 05:07:01,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:07:01,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:01,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:07:01,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:07:01,686 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:07:01,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 05:07:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:01,792 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:07:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:01,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:07:01,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:01,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-25 05:07:01,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:07:01,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-25 05:07:01,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:01,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 74 states and 102 transitions. [2024-11-25 05:07:01,914 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2024-11-25 05:07:01,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:07:01,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:01,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:07:01,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:07:01,918 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:07:01,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 05:07:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:02,027 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:07:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:02,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:07:02,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:02,091 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-25 05:07:02,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-11-25 05:07:02,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:07:02,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-25 05:07:02,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:02,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 101 transitions. [2024-11-25 05:07:02,161 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2024-11-25 05:07:02,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:07:02,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:02,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:07:02,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:07:02,164 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:07:02,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 05:07:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:02,298 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:07:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:02,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 05:07:02,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:02,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-25 05:07:02,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 05:07:02,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-25 05:07:02,440 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-25 05:07:02,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-25 05:07:02,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:07:02,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-25 05:07:02,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:02,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 76 states and 105 transitions. [2024-11-25 05:07:02,550 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2024-11-25 05:07:02,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:07:02,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:02,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:07:02,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:07:02,554 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:07:02,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 05:07:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:02,646 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:07:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:02,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 05:07:02,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:02,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:07:02,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-25 05:07:02,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:02,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 75 states and 104 transitions. [2024-11-25 05:07:02,713 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2024-11-25 05:07:02,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:07:02,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:02,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:07:02,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:07:02,717 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:07:02,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 05:07:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:02,837 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:07:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:02,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 05:07:02,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:02,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-25 05:07:03,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:07:03,035 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 05:07:03,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-25 05:07:03,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:03,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 78 states and 112 transitions. [2024-11-25 05:07:03,681 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 112 transitions. [2024-11-25 05:07:03,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:07:03,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:03,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:07:03,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:07:03,687 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:07:03,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 05:07:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:03,780 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:07:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:03,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 05:07:03,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:03,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:07:03,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-25 05:07:03,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:03,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 79 states and 114 transitions. [2024-11-25 05:07:03,843 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2024-11-25 05:07:03,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:07:03,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:03,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:07:03,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:07:03,847 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:07:03,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 05:07:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:03,939 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:07:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:03,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 05:07:03,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:04,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:07:04,092 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 05:07:04,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-25 05:07:05,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:05,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 80 states and 116 transitions. [2024-11-25 05:07:05,012 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 116 transitions. [2024-11-25 05:07:05,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:07:05,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:05,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:07:05,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:07:05,017 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:07:05,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 05:07:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:05,101 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:07:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:05,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 05:07:05,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:05,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:07:05,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-25 05:07:05,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:05,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 77 states and 112 transitions. [2024-11-25 05:07:05,170 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 112 transitions. [2024-11-25 05:07:05,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:07:05,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:05,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:07:05,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:07:05,172 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:07:05,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 05:07:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:05,303 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:07:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:05,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 05:07:05,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:05,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-25 05:07:05,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:07:05,435 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 05:07:05,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-25 05:07:05,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:05,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 79 states and 117 transitions. [2024-11-25 05:07:05,866 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 117 transitions. [2024-11-25 05:07:05,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:07:05,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:05,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:07:05,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:07:05,870 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:07:05,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 05:07:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:05,960 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:07:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:05,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 05:07:05,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:06,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:07:06,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-25 05:07:06,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:06,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 79 states and 116 transitions. [2024-11-25 05:07:06,522 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 116 transitions. [2024-11-25 05:07:06,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 05:07:06,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:06,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:07:06,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:07:06,525 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:07:06,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 05:07:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:06,639 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:07:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:06,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 05:07:06,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:06,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:07:06,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-25 05:07:06,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:06,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 78 states and 115 transitions. [2024-11-25 05:07:06,728 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 115 transitions. [2024-11-25 05:07:06,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 05:07:06,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:06,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:07:06,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:07:06,733 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:07:06,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 05:07:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:06,835 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:07:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:06,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 05:07:06,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:07,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:07:07,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-25 05:07:07,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:07,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 77 states and 114 transitions. [2024-11-25 05:07:07,894 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 114 transitions. [2024-11-25 05:07:07,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 05:07:07,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:07,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:07:07,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:07:07,896 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:07:07,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-25 05:07:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:07:08,024 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:07:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:07:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:07:08,127 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:07:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:07:08,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-25 05:07:08,159 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 23 iterations. [2024-11-25 05:07:08,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:07:08 ImpRootNode [2024-11-25 05:07:08,188 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:07:08,188 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:07:08,189 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:07:08,189 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:07:08,189 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:06:58" (3/4) ... [2024-11-25 05:07:08,196 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 05:07:08,197 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:07:08,200 INFO L158 Benchmark]: Toolchain (without parser) took 11029.39ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 59.9MB in the beginning and 69.9MB in the end (delta: -9.9MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-11-25 05:07:08,200 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:07:08,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 596.57ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 41.8MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:07:08,200 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.26ms. Allocated memory is still 83.9MB. Free memory was 41.8MB in the beginning and 40.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:07:08,201 INFO L158 Benchmark]: Boogie Preprocessor took 47.89ms. Allocated memory is still 83.9MB. Free memory was 40.0MB in the beginning and 38.5MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:07:08,201 INFO L158 Benchmark]: RCFGBuilder took 679.75ms. Allocated memory is still 83.9MB. Free memory was 38.5MB in the beginning and 54.2MB in the end (delta: -15.8MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2024-11-25 05:07:08,201 INFO L158 Benchmark]: CodeCheck took 9619.90ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 54.2MB in the beginning and 69.9MB in the end (delta: -15.7MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2024-11-25 05:07:08,202 INFO L158 Benchmark]: Witness Printer took 10.23ms. Allocated memory is still 100.7MB. Free memory was 69.9MB in the beginning and 69.9MB in the end (delta: 9.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:07:08,206 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, 50 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 9.6s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1349 SdHoareTripleChecker+Valid, 7.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 939 mSDsluCounter, 1749 SdHoareTripleChecker+Invalid, 6.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1163 mSDsCounter, 648 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2156 IncrementalHoareTripleChecker+Invalid, 2804 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 648 mSolverCounterUnsat, 586 mSDtfsCounter, 2156 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1471 GetRequests, 1379 SyntacticMatches, 26 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1331 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 730 SizeOfPredicates, 21 NumberOfNonLiveVariables, 911 ConjunctsInSsa, 99 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 531]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 531. Possible FailurePath: [L532] int flag = __VERIFIER_nondet_int(); [L533] List p, a, t; [L534] a = (List) malloc(sizeof(struct node)) [L535] COND FALSE !(a == 0) [L536] p = a VAL [a={3:0}, p={3:0}] [L537] COND FALSE !(__VERIFIER_nondet_int()) [L548] p->h = 3 [L549] p = a VAL [p={3:0}] [L550] COND TRUE \read(flag) VAL [p={3:0}] [L551] EXPR p->h VAL [p={3:0}] [L551] COND FALSE !(p->h == 1) [L556] EXPR p->h [L556] COND FALSE !(p->h != 3) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 596.57ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 41.8MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.26ms. Allocated memory is still 83.9MB. Free memory was 41.8MB in the beginning and 40.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.89ms. Allocated memory is still 83.9MB. Free memory was 40.0MB in the beginning and 38.5MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 679.75ms. Allocated memory is still 83.9MB. Free memory was 38.5MB in the beginning and 54.2MB in the end (delta: -15.8MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * CodeCheck took 9619.90ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 54.2MB in the beginning and 69.9MB in the end (delta: -15.7MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. * Witness Printer took 10.23ms. Allocated memory is still 100.7MB. Free memory was 69.9MB in the beginning and 69.9MB in the end (delta: 9.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 05:07:08,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840beec8-6436-485c-b09c-7bded212b74d/bin/ukojak-verify-ENZ3QT5qd3/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 Result: UNKNOWN: Overapproximated counterexample