./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_1.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_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b --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 c20063fdafbef5c00ec1f1fcfed63f5b6ab29c7a5ae9bd5cc27a6dcf474b9797 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:08:13,570 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:08:13,626 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 06:08:13,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:08:13,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:08:13,651 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:08:13,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:08:13,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:08:13,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:08:13,652 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:08:13,653 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:08:13,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:08:13,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:08:13,653 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 06:08:13,653 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 06:08:13,653 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 06:08:13,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:08:13,653 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 06:08:13,653 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:08:13,653 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:08:13,654 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:08:13,654 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:08:13,654 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:08:13,654 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:08:13,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:08:13,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:08:13,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:08:13,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:08:13,654 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:08:13,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:08:13,655 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_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b 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 -> c20063fdafbef5c00ec1f1fcfed63f5b6ab29c7a5ae9bd5cc27a6dcf474b9797 [2024-12-06 06:08:13,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:08:13,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:08:13,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:08:13,886 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:08:13,887 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:08:13,887 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_1.i [2024-12-06 06:08:16,480 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/data/adc5e571c/94da0c20dbfa4499a94ba2b87e9dbbf7/FLAG6854dbbe3 [2024-12-06 06:08:16,727 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:08:16,728 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/sv-benchmarks/c/ldv-memsafety/memleaks_test13_1.i [2024-12-06 06:08:16,740 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/data/adc5e571c/94da0c20dbfa4499a94ba2b87e9dbbf7/FLAG6854dbbe3 [2024-12-06 06:08:16,754 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/data/adc5e571c/94da0c20dbfa4499a94ba2b87e9dbbf7 [2024-12-06 06:08:16,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:08:16,758 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:08:16,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:08:16,759 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:08:16,763 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:08:16,764 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:08:16" (1/1) ... [2024-12-06 06:08:16,765 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515f42d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:16, skipping insertion in model container [2024-12-06 06:08:16,765 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:08:16" (1/1) ... [2024-12-06 06:08:16,792 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:08:17,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:08:17,083 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:08:17,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:08:17,160 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:08:17,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:17 WrapperNode [2024-12-06 06:08:17,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:08:17,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:08:17,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:08:17,162 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:08:17,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:17" (1/1) ... [2024-12-06 06:08:17,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:17" (1/1) ... [2024-12-06 06:08:17,196 INFO L138 Inliner]: procedures = 165, calls = 74, calls flagged for inlining = 32, calls inlined = 8, statements flattened = 48 [2024-12-06 06:08:17,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:08:17,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:08:17,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:08:17,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:08:17,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:17" (1/1) ... [2024-12-06 06:08:17,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:17" (1/1) ... [2024-12-06 06:08:17,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:17" (1/1) ... [2024-12-06 06:08:17,205 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:17" (1/1) ... [2024-12-06 06:08:17,211 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:17" (1/1) ... [2024-12-06 06:08:17,212 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:17" (1/1) ... [2024-12-06 06:08:17,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:17" (1/1) ... [2024-12-06 06:08:17,214 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:17" (1/1) ... [2024-12-06 06:08:17,215 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:17" (1/1) ... [2024-12-06 06:08:17,216 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:08:17,217 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:08:17,217 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:08:17,217 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:08:17,218 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:17" (1/1) ... [2024-12-06 06:08:17,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:08:17,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:08:17,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:08:17,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:08:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 06:08:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:08:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 06:08:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 06:08:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 06:08:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:08:17,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:08:17,352 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:08:17,353 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:08:17,502 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-12-06 06:08:17,502 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:08:17,549 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:08:17,550 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 06:08:17,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:08:17 BoogieIcfgContainer [2024-12-06 06:08:17,550 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:08:17,551 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:08:17,551 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:08:17,560 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:08:17,560 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:08:17" (1/1) ... [2024-12-06 06:08:17,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:08:17,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:17,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2024-12-06 06:08:17,616 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2024-12-06 06:08:17,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 06:08:17,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:17,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:08:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:17,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:18,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:18,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2024-12-06 06:08:18,009 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2024-12-06 06:08:18,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 06:08:18,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:18,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:08:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:18,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:18,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:18,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2024-12-06 06:08:18,498 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2024-12-06 06:08:18,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:08:18,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:18,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:08:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:18,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:18,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:18,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 27 states and 29 transitions. [2024-12-06 06:08:18,896 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2024-12-06 06:08:18,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:08:18,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:18,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:08:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:19,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:19,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:19,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2024-12-06 06:08:19,498 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2024-12-06 06:08:19,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:08:19,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:19,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:08:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:19,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:20,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:20,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2024-12-06 06:08:20,030 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2024-12-06 06:08:20,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:08:20,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:20,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:08:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:20,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:21,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:21,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2024-12-06 06:08:21,065 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2024-12-06 06:08:21,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 06:08:21,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:21,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:08:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:21,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:21,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:21,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2024-12-06 06:08:21,186 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2024-12-06 06:08:21,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 06:08:21,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:21,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:08:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:21,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:21,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:21,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2024-12-06 06:08:21,732 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2024-12-06 06:08:21,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 06:08:21,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:21,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:08:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:21,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:22,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:22,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2024-12-06 06:08:22,783 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2024-12-06 06:08:22,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 06:08:22,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:22,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:08:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:23,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:24,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:24,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2024-12-06 06:08:24,528 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-12-06 06:08:24,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 06:08:24,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:24,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:08:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:24,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:26,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:26,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2024-12-06 06:08:26,152 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2024-12-06 06:08:26,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 06:08:26,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:26,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:08:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:26,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:26,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:26,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2024-12-06 06:08:26,184 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2024-12-06 06:08:26,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 06:08:26,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:26,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:08:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:26,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:27,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:27,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2024-12-06 06:08:27,068 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2024-12-06 06:08:27,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:08:27,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:27,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:08:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:27,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:28,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:28,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2024-12-06 06:08:28,182 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2024-12-06 06:08:28,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:08:28,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:28,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:08:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:28,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:30,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:30,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-12-06 06:08:30,859 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-12-06 06:08:30,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 06:08:30,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:30,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:08:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:31,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:33,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:33,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2024-12-06 06:08:33,765 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-12-06 06:08:33,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 06:08:33,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:33,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:08:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:34,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:38,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:38,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2024-12-06 06:08:38,554 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2024-12-06 06:08:38,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 06:08:38,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:38,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:08:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:39,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:40,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:40,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2024-12-06 06:08:40,874 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2024-12-06 06:08:40,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 06:08:40,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:40,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:08:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:41,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:43,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:43,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2024-12-06 06:08:43,180 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2024-12-06 06:08:43,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 06:08:43,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:43,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:08:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:43,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:44,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:44,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-12-06 06:08:44,343 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-12-06 06:08:44,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 06:08:44,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:44,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:08:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:08:44,361 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:08:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:08:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:08:44,490 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:08:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:08:44,557 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2024-12-06 06:08:44,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:08:44 ImpRootNode [2024-12-06 06:08:44,580 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:08:44,581 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:08:44,581 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:08:44,581 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:08:44,582 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:08:17" (3/4) ... [2024-12-06 06:08:44,584 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 06:08:44,585 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:08:44,586 INFO L158 Benchmark]: Toolchain (without parser) took 27827.89ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 116.4MB in the beginning and 116.7MB in the end (delta: -287.9kB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2024-12-06 06:08:44,586 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:08:44,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.87ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 94.5MB in the end (delta: 21.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:08:44,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.86ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 92.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:08:44,587 INFO L158 Benchmark]: Boogie Preprocessor took 20.00ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 91.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:08:44,588 INFO L158 Benchmark]: RCFGBuilder took 332.89ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 72.6MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:08:44,588 INFO L158 Benchmark]: CodeCheck took 27029.89ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 72.6MB in the beginning and 119.0MB in the end (delta: -46.4MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2024-12-06 06:08:44,589 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 218.1MB. Free memory was 116.7MB in the beginning and 116.7MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:08:44,591 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, 27 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 27.0s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 504 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 437 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1045 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3710 IncrementalHoareTripleChecker+Invalid, 4755 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1045 mSolverCounterUnsat, 0 mSDtfsCounter, 3710 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1166 GetRequests, 826 SyntacticMatches, 30 SemanticMatches, 310 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40779 ImplicationChecksByTransitivity, 24.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 948 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 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: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] struct ldv_list_head global_list_13 = { &(global_list_13), &(global_list_13) }; [L773] CALL entry_point() [L769] CALL alloc_13() [L763] CALL, EXPR ldv_malloc(sizeof(struct A13)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L763] RET, EXPR ldv_malloc(sizeof(struct A13)) [L763] struct A13 *p = (struct A13 *)ldv_malloc(sizeof(struct A13)); [L764] COND TRUE \read(*p) [L765] CALL ldv_list_add(&p->list, &global_list_13) [L559] EXPR head->next [L559] CALL __ldv_list_add(new, head, head->next) [L547] next->prev = new VAL [global_list_13={2:0}, ldv_global_msg_list={1:0}, new={3:4}, next={2:0}, prev={2:0}] [L548] new->next = next VAL [global_list_13={2:0}, ldv_global_msg_list={1:0}, new={3:4}, prev={2:0}] [L549] new->prev = prev VAL [global_list_13={2:0}, ldv_global_msg_list={1:0}, new={3:4}, prev={2:0}] [L550] prev->next = new [L559] RET __ldv_list_add(new, head, head->next) [L765] RET ldv_list_add(&p->list, &global_list_13) [L769] RET alloc_13() [L770] CALL LDV_INIT_LIST_HEAD(&global_list_13) [L540] list->next = list VAL [global_list_13={2:0}, ldv_global_msg_list={1:0}, list={2:0}] [L541] list->prev = list [L770] RET LDV_INIT_LIST_HEAD(&global_list_13) [L773] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.87ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 94.5MB in the end (delta: 21.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.86ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 92.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.00ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 91.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.89ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 72.6MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 27029.89ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 72.6MB in the beginning and 119.0MB in the end (delta: -46.4MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 218.1MB. Free memory was 116.7MB in the beginning and 116.7MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 06:08:44,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/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 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_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b --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 c20063fdafbef5c00ec1f1fcfed63f5b6ab29c7a5ae9bd5cc27a6dcf474b9797 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:08:46,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:08:46,541 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-06 06:08:46,564 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:08:46,565 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:08:46,565 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:08:46,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:08:46,565 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:08:46,565 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:08:46,565 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:08:46,566 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:08:46,566 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 06:08:46,566 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 06:08:46,566 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 06:08:46,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:08:46,566 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 06:08:46,566 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 06:08:46,566 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 06:08:46,566 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 06:08:46,566 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:08:46,566 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:08:46,567 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:08:46,567 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:08:46,567 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:08:46,567 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:08:46,567 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:08:46,567 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 06:08:46,567 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:08:46,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:08:46,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:08:46,568 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:08:46,568 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 06:08:46,568 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:08:46,568 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 06:08:46,568 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_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b 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 -> c20063fdafbef5c00ec1f1fcfed63f5b6ab29c7a5ae9bd5cc27a6dcf474b9797 [2024-12-06 06:08:46,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:08:46,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:08:46,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:08:46,797 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:08:46,797 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:08:46,798 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_1.i [2024-12-06 06:08:49,495 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/data/814580257/d234ebb3cc174592b9d6755142f6b4f4/FLAGc4e34c874 [2024-12-06 06:08:49,707 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:08:49,707 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/sv-benchmarks/c/ldv-memsafety/memleaks_test13_1.i [2024-12-06 06:08:49,720 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/data/814580257/d234ebb3cc174592b9d6755142f6b4f4/FLAGc4e34c874 [2024-12-06 06:08:49,734 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/data/814580257/d234ebb3cc174592b9d6755142f6b4f4 [2024-12-06 06:08:49,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:08:49,738 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:08:49,739 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:08:49,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:08:49,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:08:49,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:08:49" (1/1) ... [2024-12-06 06:08:49,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2310ef91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:49, skipping insertion in model container [2024-12-06 06:08:49,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:08:49" (1/1) ... [2024-12-06 06:08:49,776 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:08:50,021 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 06:08:50,065 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 06:08:50,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:08:50,084 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-12-06 06:08:50,091 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:08:50,116 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 06:08:50,136 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 06:08:50,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:08:50,143 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:08:50,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:08:50,224 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:08:50,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50 WrapperNode [2024-12-06 06:08:50,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:08:50,225 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:08:50,225 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:08:50,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:08:50,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,246 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,265 INFO L138 Inliner]: procedures = 166, calls = 74, calls flagged for inlining = 32, calls inlined = 8, statements flattened = 48 [2024-12-06 06:08:50,266 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:08:50,266 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:08:50,266 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:08:50,266 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:08:50,271 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,281 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,285 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,288 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:08:50,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:08:50,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:08:50,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:08:50,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:08:50,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:08:50,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:08:50,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:08:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 06:08:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:08:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 06:08:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 06:08:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 06:08:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:08:50,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:08:50,453 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:08:50,455 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:08:50,667 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-12-06 06:08:50,667 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:08:50,727 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:08:50,727 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 06:08:50,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:08:50 BoogieIcfgContainer [2024-12-06 06:08:50,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:08:50,728 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:08:50,728 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:08:50,738 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:08:50,738 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:08:50,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:50,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2024-12-06 06:08:50,785 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2024-12-06 06:08:50,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 06:08:50,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:50,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:08:50,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:08:50,788 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:08:50,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 06:08:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:50,896 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:08:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:50,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 06:08:50,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:08:51,173 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-06 06:08:51,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 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 [2024-12-06 06:08:51,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:51,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 06:08:51,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:51,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2024-12-06 06:08:51,393 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2024-12-06 06:08:51,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 06:08:51,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:51,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:08:51,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:08:51,396 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:08:51,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 06:08:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:51,510 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:08:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:51,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 06:08:51,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:08:51,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 06:08:51,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2024-12-06 06:08:51,731 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 06:08:51,732 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 45 treesize of output 45 [2024-12-06 06:08:51,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:51,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 06:08:52,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:52,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2024-12-06 06:08:52,218 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2024-12-06 06:08:52,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:08:52,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:52,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:08:52,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:08:52,220 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:08:52,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 06:08:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:52,318 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:08:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:52,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 06:08:52,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:08:52,467 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-06 06:08:52,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 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 [2024-12-06 06:08:52,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:52,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 06:08:52,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:52,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 27 states and 29 transitions. [2024-12-06 06:08:52,768 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2024-12-06 06:08:52,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:08:52,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:52,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:08:52,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:08:52,770 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:08:52,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 06:08:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:52,855 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:08:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:52,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 06:08:52,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:08:52,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-12-06 06:08:52,961 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 06:08:52,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-12-06 06:08:53,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:53,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 06:08:53,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:53,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2024-12-06 06:08:53,572 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2024-12-06 06:08:53,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:08:53,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:53,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:08:53,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:08:53,574 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:08:53,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 06:08:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:53,656 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:08:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:53,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 06:08:53,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:08:53,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-06 06:08:53,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:53,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 06:08:54,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:54,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2024-12-06 06:08:54,360 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2024-12-06 06:08:54,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:08:54,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:54,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:08:54,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:08:54,362 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:08:54,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 06:08:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:54,467 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:08:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:54,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 06:08:54,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:08:54,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 06:08:54,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2024-12-06 06:08:54,607 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 06:08:54,607 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 45 treesize of output 45 [2024-12-06 06:08:54,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:54,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 06:08:55,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:55,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2024-12-06 06:08:55,801 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2024-12-06 06:08:55,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 06:08:55,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:55,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:08:55,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:08:55,803 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:08:55,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 06:08:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:55,873 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:08:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:55,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 06:08:55,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:08:55,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:55,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 06:08:56,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:56,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2024-12-06 06:08:56,022 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2024-12-06 06:08:56,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 06:08:56,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:56,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:08:56,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:08:56,024 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:08:56,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 06:08:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:56,100 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:08:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:56,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 06:08:56,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:08:56,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-12-06 06:08:56,206 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 06:08:56,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-12-06 06:08:56,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:56,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 06:08:56,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:56,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2024-12-06 06:08:56,399 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2024-12-06 06:08:56,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 06:08:56,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:56,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:08:56,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:08:56,401 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:08:56,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 06:08:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:56,499 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:08:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:56,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 06:08:56,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:08:56,528 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 06:08:56,529 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 06:08:56,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2024-12-06 06:08:56,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:56,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 06:08:58,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:58,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2024-12-06 06:08:58,294 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2024-12-06 06:08:58,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 06:08:58,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:58,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:08:58,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:08:58,296 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:08:58,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 06:08:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:58,398 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:08:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:58,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 06:08:58,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:08:58,449 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 06:08:58,450 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 06:08:58,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2024-12-06 06:08:58,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2024-12-06 06:08:58,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:58,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 06:09:01,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:09:01,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2024-12-06 06:09:01,191 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-12-06 06:09:01,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 06:09:01,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:09:01,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:09:01,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:09:01,193 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:09:01,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 06:09:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:09:01,267 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:09:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:09:01,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:09:01,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:09:01,294 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 06:09:01,295 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 06:09:01,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:09:01,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 06:09:03,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:09:03,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2024-12-06 06:09:03,299 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2024-12-06 06:09:03,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 06:09:03,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:09:03,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:09:03,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:09:03,302 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:09:03,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 06:09:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:09:03,387 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:09:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:09:03,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 06:09:03,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:09:03,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:09:03,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 06:09:03,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:09:03,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2024-12-06 06:09:03,631 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2024-12-06 06:09:03,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 06:09:03,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:09:03,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:09:03,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:09:03,633 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:09:03,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 06:09:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:09:03,749 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:09:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:09:03,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 06:09:03,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:09:03,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2024-12-06 06:09:03,795 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 06:09:03,795 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 06:09:03,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2024-12-06 06:09:03,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:09:03,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 06:09:04,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:09:04,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2024-12-06 06:09:04,095 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2024-12-06 06:09:04,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:09:04,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:09:04,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:09:04,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:09:04,097 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:09:04,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 06:09:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:09:04,203 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:09:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:09:04,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 06:09:04,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:09:04,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:09:04,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 06:09:05,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:09:05,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2024-12-06 06:09:05,689 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2024-12-06 06:09:05,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:09:05,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:09:05,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:09:05,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:09:05,691 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:09:05,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 06:09:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:09:05,818 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:09:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:09:05,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 06:09:05,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:09:06,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-06 06:09:06,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-12-06 06:09:06,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:09:06,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 06:09:08,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:09:08,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2024-12-06 06:09:08,962 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-12-06 06:09:08,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 06:09:08,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:09:08,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:09:08,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:09:08,964 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:09:08,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 06:09:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:09:09,107 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:09:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:09:09,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 06:09:09,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:09:09,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-12-06 06:09:09,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-06 06:09:09,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:09:09,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 06:09:14,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:09:14,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2024-12-06 06:09:14,377 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-12-06 06:09:14,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 06:09:14,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:09:14,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:09:14,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:09:14,379 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:09:14,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 06:09:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:09:14,518 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:09:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:09:14,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 06:09:14,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:09:14,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:09:14,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 06:09:17,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:09:17,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2024-12-06 06:09:17,079 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-12-06 06:09:17,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 06:09:17,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:09:17,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:09:17,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:09:17,081 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:09:17,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 06:09:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:09:17,234 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:09:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:09:17,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 06:09:17,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:09:17,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-12-06 06:09:17,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-06 06:09:17,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:09:17,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 06:09:18,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:09:18,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2024-12-06 06:09:18,634 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-12-06 06:09:18,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 06:09:18,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:09:18,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:09:18,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:09:18,636 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:09:18,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 06:09:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:09:18,799 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:09:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:09:18,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 06:09:18,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:09:18,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-12-06 06:09:18,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-06 06:09:18,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:09:18,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 06:09:19,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:09:19,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2024-12-06 06:09:19,596 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-12-06 06:09:19,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 06:09:19,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:09:19,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:09:19,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:09:19,598 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:09:19,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 06:09:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:09:19,827 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:09:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:09:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:09:20,089 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:09:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:09:20,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 06:09:20,202 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations. [2024-12-06 06:09:20,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:09:20 ImpRootNode [2024-12-06 06:09:20,224 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:09:20,225 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:09:20,225 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:09:20,225 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:09:20,226 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:08:50" (3/4) ... [2024-12-06 06:09:20,227 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 06:09:20,228 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:09:20,229 INFO L158 Benchmark]: Toolchain (without parser) took 30491.19ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 68.1MB in the beginning and 94.1MB in the end (delta: -26.1MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2024-12-06 06:09:20,229 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:09:20,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 486.09ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 40.6MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 06:09:20,229 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.36ms. Allocated memory is still 92.3MB. Free memory was 40.6MB in the beginning and 68.6MB in the end (delta: -28.0MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-12-06 06:09:20,230 INFO L158 Benchmark]: Boogie Preprocessor took 22.13ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 67.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:09:20,230 INFO L158 Benchmark]: RCFGBuilder took 438.65ms. Allocated memory is still 92.3MB. Free memory was 67.2MB in the beginning and 44.0MB in the end (delta: 23.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:09:20,230 INFO L158 Benchmark]: CodeCheck took 29496.11ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 44.0MB in the beginning and 94.2MB in the end (delta: -50.2MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2024-12-06 06:09:20,230 INFO L158 Benchmark]: Witness Printer took 3.25ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 94.1MB in the end (delta: 41.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:09:20,231 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, 27 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 29.4s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 476 SdHoareTripleChecker+Valid, 7.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 399 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 829 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3186 IncrementalHoareTripleChecker+Invalid, 4015 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 829 mSolverCounterUnsat, 0 mSDtfsCounter, 3186 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1044 GetRequests, 794 SyntacticMatches, 28 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18063 ImplicationChecksByTransitivity, 23.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 1089 SizeOfPredicates, 64 NumberOfNonLiveVariables, 1215 ConjunctsInSsa, 173 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] struct ldv_list_head global_list_13 = { &(global_list_13), &(global_list_13) }; [L773] CALL entry_point() [L769] CALL alloc_13() [L763] CALL, EXPR ldv_malloc(sizeof(struct A13)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L763] RET, EXPR ldv_malloc(sizeof(struct A13)) [L763] struct A13 *p = (struct A13 *)ldv_malloc(sizeof(struct A13)); [L764] COND TRUE \read(*p) [L765] CALL ldv_list_add(&p->list, &global_list_13) [L559] EXPR head->next [L559] CALL __ldv_list_add(new, head, head->next) [L547] next->prev = new VAL [global_list_13={2:0}, ldv_global_msg_list={1:0}, new={4:4}, next={2:0}, prev={2:0}] [L548] new->next = next VAL [global_list_13={2:0}, ldv_global_msg_list={1:0}, new={4:4}, prev={2:0}] [L549] new->prev = prev VAL [global_list_13={2:0}, ldv_global_msg_list={1:0}, new={4:4}, prev={2:0}] [L550] prev->next = new [L559] RET __ldv_list_add(new, head, head->next) [L765] RET ldv_list_add(&p->list, &global_list_13) [L769] RET alloc_13() [L770] CALL LDV_INIT_LIST_HEAD(&global_list_13) [L540] list->next = list VAL [global_list_13={2:0}, ldv_global_msg_list={1:0}, list={2:0}] [L541] list->prev = list [L770] RET LDV_INIT_LIST_HEAD(&global_list_13) [L773] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 486.09ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 40.6MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.36ms. Allocated memory is still 92.3MB. Free memory was 40.6MB in the beginning and 68.6MB in the end (delta: -28.0MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.13ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 67.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 438.65ms. Allocated memory is still 92.3MB. Free memory was 67.2MB in the beginning and 44.0MB in the end (delta: 23.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 29496.11ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 44.0MB in the beginning and 94.2MB in the end (delta: -50.2MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * Witness Printer took 3.25ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 94.1MB in the end (delta: 41.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 06:09:20,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff3127-ffb6-43a4-9928-b72861ebfe9d/bin/ukojak-verify-CZk0znPC7b/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