./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.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_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/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_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/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_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/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 165c3d31baf6e9e6eb3241886fc1e2aed511e6788979a2e699609d2c8b9e748b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:23:38,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:23:38,510 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-25 05:23:38,522 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:23:38,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:23:38,556 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:23:38,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:23:38,557 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:23:38,559 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:23:38,559 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:23:38,560 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:23:38,560 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:23:38,560 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:23:38,560 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 05:23:38,561 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 05:23:38,561 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 05:23:38,561 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:23:38,561 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:23:38,561 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:23:38,561 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:23:38,561 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:23:38,561 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:23:38,562 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:23:38,562 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:23:38,562 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:23:38,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:23:38,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:23:38,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:23:38,562 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:23:38,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:23:38,562 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_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/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 -> 165c3d31baf6e9e6eb3241886fc1e2aed511e6788979a2e699609d2c8b9e748b [2024-11-25 05:23:38,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:23:38,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:23:38,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:23:38,893 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:23:38,893 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:23:38,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2024-11-25 05:23:41,781 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/data/d4c92b0f0/4233459e61084732b91b646aeeea9b51/FLAG8a370309f [2024-11-25 05:23:42,141 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:23:42,142 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2024-11-25 05:23:42,162 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/data/d4c92b0f0/4233459e61084732b91b646aeeea9b51/FLAG8a370309f [2024-11-25 05:23:42,186 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/data/d4c92b0f0/4233459e61084732b91b646aeeea9b51 [2024-11-25 05:23:42,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:23:42,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:23:42,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:23:42,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:23:42,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:23:42,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:23:42" (1/1) ... [2024-11-25 05:23:42,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bf1851a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:42, skipping insertion in model container [2024-11-25 05:23:42,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:23:42" (1/1) ... [2024-11-25 05:23:42,248 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:23:42,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:23:42,610 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:23:42,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:23:42,701 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:23:42,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:42 WrapperNode [2024-11-25 05:23:42,702 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:23:42,703 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:23:42,703 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:23:42,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:23:42,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:42" (1/1) ... [2024-11-25 05:23:42,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:42" (1/1) ... [2024-11-25 05:23:42,755 INFO L138 Inliner]: procedures = 117, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-11-25 05:23:42,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:23:42,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:23:42,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:23:42,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:23:42,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:42" (1/1) ... [2024-11-25 05:23:42,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:42" (1/1) ... [2024-11-25 05:23:42,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:42" (1/1) ... [2024-11-25 05:23:42,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:42" (1/1) ... [2024-11-25 05:23:42,778 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:42" (1/1) ... [2024-11-25 05:23:42,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:42" (1/1) ... [2024-11-25 05:23:42,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:42" (1/1) ... [2024-11-25 05:23:42,790 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:42" (1/1) ... [2024-11-25 05:23:42,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:42" (1/1) ... [2024-11-25 05:23:42,793 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:23:42,797 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:23:42,797 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:23:42,797 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:23:42,799 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:42" (1/1) ... [2024-11-25 05:23:42,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:23:42,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:23:42,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:23:42,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:23:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 05:23:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 05:23:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 05:23:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:23:42,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:23:42,988 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:23:42,990 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:23:43,130 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-11-25 05:23:43,130 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:23:43,179 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:23:43,179 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:23:43,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:23:43 BoogieIcfgContainer [2024-11-25 05:23:43,180 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:23:43,181 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:23:43,181 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:23:43,191 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:23:43,192 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:23:43" (1/1) ... [2024-11-25 05:23:43,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:23:43,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:43,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-11-25 05:23:43,250 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-11-25 05:23:43,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 05:23:43,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:43,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:23:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:43,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:23:43,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:43,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-11-25 05:23:43,444 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-11-25 05:23:43,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:23:43,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:43,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:23:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:43,495 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 05:23:43,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:43,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-11-25 05:23:43,523 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-11-25 05:23:43,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:23:43,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:43,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:23:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:43,668 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 05:23:43,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:43,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 05:23:43,826 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 05:23:43,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:23:43,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:43,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:23:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:44,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:23:44,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:44,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-11-25 05:23:44,327 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-11-25 05:23:44,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:23:44,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:44,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:23:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:44,525 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 05:23:44,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:44,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-25 05:23:44,887 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-25 05:23:44,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:23:44,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:44,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:23:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:23:44,922 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:23:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:23:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:23:45,010 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:23:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:23:45,061 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-11-25 05:23:45,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:23:45 ImpRootNode [2024-11-25 05:23:45,115 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:23:45,116 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:23:45,116 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:23:45,116 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:23:45,117 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:23:43" (3/4) ... [2024-11-25 05:23:45,119 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 05:23:45,120 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:23:45,123 INFO L158 Benchmark]: Toolchain (without parser) took 2930.83ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 114.8MB in the end (delta: 3.6MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-11-25 05:23:45,124 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:23:45,125 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.52ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 101.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:23:45,125 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.89ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 100.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:23:45,126 INFO L158 Benchmark]: Boogie Preprocessor took 40.93ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 99.1MB in the end (delta: 976.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:23:45,127 INFO L158 Benchmark]: RCFGBuilder took 382.84ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 84.3MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:23:45,127 INFO L158 Benchmark]: CodeCheck took 1934.47ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 114.8MB in the end (delta: -30.7MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2024-11-25 05:23:45,129 INFO L158 Benchmark]: Witness Printer took 4.69ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 114.8MB in the end (delta: 24.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:23:45,131 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, 10 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 60 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 130 IncrementalHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 60 mSolverCounterUnsat, 10 mSDtfsCounter, 130 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 178 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 68 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 525]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 525. Possible FailurePath: [L512] int num; [L513] int ind, newsize, i = 1; [L526] num = __VERIFIER_nondet_int() [L527] COND FALSE !(!(num > 0 && num < 100)) [L530] int *a = (int *)malloc(sizeof(int)); [L531] COND FALSE !(a == ((void *)0)) [L534] newsize = 0 [L535] CALL expandArray(a) [L515] int *a = (int *)arg; VAL [a={28937:0}, i=1, ind=0, newsize=0, num=1] [L516] COND TRUE newsize < num [L517] newsize = newsize + 1 [L518] int *b = ((void *)0); [L519] EXPR, FCALL realloc(a, sizeof(int) * newsize) [L519] b = realloc(a, sizeof(int) * newsize) [L520] b[newsize - 1] = i [L521] a = b [L516] COND FALSE !(newsize < num) [L523] return 0; [L535] RET expandArray(a) [L536] return 0; VAL [\result=0, i=1, ind=0, newsize=1, num=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 509.52ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 101.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.89ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 100.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.93ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 99.1MB in the end (delta: 976.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 382.84ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 84.3MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1934.47ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 114.8MB in the end (delta: -30.7MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Witness Printer took 4.69ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 114.8MB in the end (delta: 24.0kB). 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 05:23:45,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/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_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/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_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/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_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/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 165c3d31baf6e9e6eb3241886fc1e2aed511e6788979a2e699609d2c8b9e748b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:23:47,739 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:23:47,821 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-25 05:23:47,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:23:47,896 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:23:47,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:23:47,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:23:47,896 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:23:47,897 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:23:47,897 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:23:47,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:23:47,897 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 05:23:47,897 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 05:23:47,897 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 05:23:47,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:23:47,897 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:23:47,897 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:23:47,903 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:23:47,903 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:23:47,903 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:23:47,903 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:23:47,903 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:23:47,903 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:23:47,903 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:23:47,903 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:23:47,904 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:47,904 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:23:47,904 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:23:47,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:23:47,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:23:47,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:23:47,904 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:23:47,904 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:47,905 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:23:47,905 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_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/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 -> 165c3d31baf6e9e6eb3241886fc1e2aed511e6788979a2e699609d2c8b9e748b [2024-11-25 05:23:48,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:23:48,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:23:48,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:23:48,212 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:23:48,212 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:23:48,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2024-11-25 05:23:51,315 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/data/b69e5b5bb/67939455a41e4941869b9bb7e91eddd3/FLAG435713710 [2024-11-25 05:23:51,697 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:23:51,698 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2024-11-25 05:23:51,714 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/data/b69e5b5bb/67939455a41e4941869b9bb7e91eddd3/FLAG435713710 [2024-11-25 05:23:51,900 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/data/b69e5b5bb/67939455a41e4941869b9bb7e91eddd3 [2024-11-25 05:23:51,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:23:51,906 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:23:51,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:23:51,909 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:23:51,915 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:23:51,917 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:23:51" (1/1) ... [2024-11-25 05:23:51,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37490152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:51, skipping insertion in model container [2024-11-25 05:23:51,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:23:51" (1/1) ... [2024-11-25 05:23:51,955 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:23:52,200 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 05:23:52,215 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 05:23:52,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:23:52,235 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:23:52,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:23:52,333 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:23:52,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:52 WrapperNode [2024-11-25 05:23:52,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:23:52,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:23:52,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:23:52,336 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:23:52,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:52" (1/1) ... [2024-11-25 05:23:52,373 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:52" (1/1) ... [2024-11-25 05:23:52,398 INFO L138 Inliner]: procedures = 118, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-11-25 05:23:52,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:23:52,399 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:23:52,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:23:52,401 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:23:52,407 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:52" (1/1) ... [2024-11-25 05:23:52,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:52" (1/1) ... [2024-11-25 05:23:52,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:52" (1/1) ... [2024-11-25 05:23:52,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:52" (1/1) ... [2024-11-25 05:23:52,428 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:52" (1/1) ... [2024-11-25 05:23:52,428 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:52" (1/1) ... [2024-11-25 05:23:52,433 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:52" (1/1) ... [2024-11-25 05:23:52,434 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:52" (1/1) ... [2024-11-25 05:23:52,439 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:52" (1/1) ... [2024-11-25 05:23:52,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:23:52,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:23:52,442 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:23:52,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:23:52,446 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:52" (1/1) ... [2024-11-25 05:23:52,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:23:52,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:23:52,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:23:52,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:23:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 05:23:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 05:23:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 05:23:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:23:52,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:23:52,653 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:23:52,654 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:23:52,839 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-11-25 05:23:52,839 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:23:52,910 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:23:52,911 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:23:52,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:23:52 BoogieIcfgContainer [2024-11-25 05:23:52,911 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:23:52,912 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:23:52,912 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:23:52,921 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:23:52,921 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:23:52" (1/1) ... [2024-11-25 05:23:52,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:23:52,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:52,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-11-25 05:23:52,974 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-11-25 05:23:52,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 05:23:52,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:52,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:52,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:52,983 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:52,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:23:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:53,085 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:53,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 05:23:53,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:53,164 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 05:23:53,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 05:23:53,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:53,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-11-25 05:23:53,238 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-11-25 05:23:53,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:23:53,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:53,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:53,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:53,242 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:53,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 05:23:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:53,339 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:53,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 05:23:53,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:53,374 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 05:23:53,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 05:23:53,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:53,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-11-25 05:23:53,423 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-11-25 05:23:53,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:23:53,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:53,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:53,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:53,429 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:53,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 05:23:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:53,536 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:53,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:23:53,568 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:53,689 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 05:23:53,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 05:23:53,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:53,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 05:23:53,930 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 05:23:53,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:23:53,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:53,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:53,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:53,935 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:53,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 05:23:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:54,047 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:54,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 05:23:54,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:54,228 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-25 05:23:54,253 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 05:23:54,255 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-25 05:23:54,264 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 05:23:54,265 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-25 05:23:54,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 05:23:54,338 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 05:23:54,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 05:23:54,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:54,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2024-11-25 05:23:54,674 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2024-11-25 05:23:54,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:23:54,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:54,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:54,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:54,676 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:54,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 05:23:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:54,779 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:54,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:23:54,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:54,863 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-25 05:23:54,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 05:23:54,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2024-11-25 05:23:54,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 05:23:54,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-11-25 05:23:54,901 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 05:23:54,901 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-25 05:23:54,907 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 05:23:54,908 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-25 05:23:54,953 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 05:23:54,956 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 05:23:54,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 05:23:55,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:55,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-25 05:23:55,278 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-25 05:23:55,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:23:55,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:55,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:55,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:55,286 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:55,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 05:23:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:23:55,411 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:23:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:23:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:23:55,514 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:23:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:23:55,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 05:23:55,555 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-11-25 05:23:55,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:23:55 ImpRootNode [2024-11-25 05:23:55,582 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:23:55,583 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:23:55,583 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:23:55,583 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:23:55,584 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:23:52" (3/4) ... [2024-11-25 05:23:55,586 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 05:23:55,587 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:23:55,588 INFO L158 Benchmark]: Toolchain (without parser) took 3682.61ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 44.4MB in the end (delta: 47.5MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2024-11-25 05:23:55,591 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:23:55,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.50ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 74.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:23:55,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.74ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 73.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:23:55,594 INFO L158 Benchmark]: Boogie Preprocessor took 41.86ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 72.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:23:55,594 INFO L158 Benchmark]: RCFGBuilder took 469.56ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 54.5MB in the end (delta: 17.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:23:55,595 INFO L158 Benchmark]: CodeCheck took 2669.79ms. Allocated memory is still 117.4MB. Free memory was 54.5MB in the beginning and 44.4MB in the end (delta: 10.1MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-11-25 05:23:55,595 INFO L158 Benchmark]: Witness Printer took 4.80ms. Allocated memory is still 117.4MB. Free memory was 44.4MB in the beginning and 44.4MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:23:55,598 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, 10 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 140 IncrementalHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 10 mSDtfsCounter, 140 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 93 SizeOfPredicates, 9 NumberOfNonLiveVariables, 137 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 525]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 525. Possible FailurePath: [L512] int num; [L513] int ind, newsize, i = 1; [L526] num = __VERIFIER_nondet_int() [L527] COND FALSE !(!(num > 0 && num < 100)) [L530] int *a = (int *)malloc(sizeof(int)); [L531] COND FALSE !(a == ((void *)0)) [L534] newsize = 0 [L535] CALL expandArray(a) [L515] int *a = (int *)arg; VAL [a={1:0}, i=1, ind=0, newsize=0, num=1] [L516] COND TRUE newsize < num [L517] newsize = newsize + 1 [L518] int *b = ((void *)0); [L519] EXPR, FCALL realloc(a, sizeof(int) * newsize) [L519] b = realloc(a, sizeof(int) * newsize) [L520] b[newsize - 1] = i [L521] a = b [L516] COND FALSE !(newsize < num) [L523] return 0; [L535] RET expandArray(a) [L536] return 0; VAL [\result=0, i=1, ind=0, newsize=1, num=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.50ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 74.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.74ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 73.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.86ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 72.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 469.56ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 54.5MB in the end (delta: 17.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 2669.79ms. Allocated memory is still 117.4MB. Free memory was 54.5MB in the beginning and 44.4MB in the end (delta: 10.1MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Witness Printer took 4.80ms. Allocated memory is still 117.4MB. Free memory was 44.4MB in the beginning and 44.4MB in the end (delta: 42.6kB). 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 05:23:55,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6cc7b-3cc7-46bd-b0cb-af9a56cde0c1/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