./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/cstrcmp_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/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_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/cstrcmp_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/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 64bit --witnessprinter.graph.data.programhash 956a7be0aa4123ddc345c58470e6c6f0d648bcd1784c1fbfd2df8e05f06ac7cd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:16:51,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:16:51,710 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2024-12-06 05:16:51,714 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:16:51,715 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:16:51,736 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:16:51,737 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:16:51,737 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:16:51,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:16:51,737 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:16:51,737 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:16:51,737 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 05:16:51,737 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 05:16:51,738 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 05:16:51,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:16:51,738 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:16:51,738 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:16:51,738 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:16:51,738 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:16:51,738 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:16:51,738 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:16:51,738 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:16:51,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:16:51,739 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:16:51,739 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:16:51,739 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:16:51,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:16:51,739 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_56cfa81b-53db-4cb5-ace2-f0778590d8e2/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 956a7be0aa4123ddc345c58470e6c6f0d648bcd1784c1fbfd2df8e05f06ac7cd [2024-12-06 05:16:51,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:16:51,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:16:51,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:16:51,991 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:16:51,992 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:16:51,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-15/cstrcmp_reverse_alloca.i [2024-12-06 05:16:54,600 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/data/7035d8e91/810f57e0172f41c3bea453452c8ec8af/FLAGc5f723e42 [2024-12-06 05:16:54,833 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:16:54,833 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/sv-benchmarks/c/termination-15/cstrcmp_reverse_alloca.i [2024-12-06 05:16:54,841 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/data/7035d8e91/810f57e0172f41c3bea453452c8ec8af/FLAGc5f723e42 [2024-12-06 05:16:55,186 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/data/7035d8e91/810f57e0172f41c3bea453452c8ec8af [2024-12-06 05:16:55,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:16:55,189 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:16:55,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:16:55,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:16:55,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:16:55,193 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:16:55" (1/1) ... [2024-12-06 05:16:55,194 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ff405b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:55, skipping insertion in model container [2024-12-06 05:16:55,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:16:55" (1/1) ... [2024-12-06 05:16:55,214 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:16:55,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:16:55,464 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:16:55,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:16:55,532 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:16:55,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:55 WrapperNode [2024-12-06 05:16:55,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:16:55,533 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:16:55,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:16:55,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:16:55,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:55" (1/1) ... [2024-12-06 05:16:55,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:55" (1/1) ... [2024-12-06 05:16:55,567 INFO L138 Inliner]: procedures = 152, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2024-12-06 05:16:55,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:16:55,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:16:55,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:16:55,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:16:55,574 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:55" (1/1) ... [2024-12-06 05:16:55,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:55" (1/1) ... [2024-12-06 05:16:55,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:55" (1/1) ... [2024-12-06 05:16:55,576 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:55" (1/1) ... [2024-12-06 05:16:55,582 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:55" (1/1) ... [2024-12-06 05:16:55,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:55" (1/1) ... [2024-12-06 05:16:55,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:55" (1/1) ... [2024-12-06 05:16:55,587 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:55" (1/1) ... [2024-12-06 05:16:55,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:55" (1/1) ... [2024-12-06 05:16:55,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:16:55,590 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:16:55,590 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:16:55,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:16:55,591 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:55" (1/1) ... [2024-12-06 05:16:55,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:16:55,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:16:55,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:16:55,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:16:55,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 05:16:55,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 05:16:55,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 05:16:55,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:16:55,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:16:55,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:16:55,728 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:16:55,730 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:16:55,921 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-12-06 05:16:55,921 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:16:55,980 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:16:55,980 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:16:55,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:16:55 BoogieIcfgContainer [2024-12-06 05:16:55,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:16:55,981 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:16:55,981 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:16:55,989 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:16:55,989 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:16:55" (1/1) ... [2024-12-06 05:16:55,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:16:56,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:56,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 27 states and 29 transitions. [2024-12-06 05:16:56,036 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2024-12-06 05:16:56,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 05:16:56,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:56,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:16:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:56,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:16:56,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:56,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2024-12-06 05:16:56,306 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2024-12-06 05:16:56,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 05:16:56,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:56,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:16:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:56,508 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 05:16:56,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:56,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2024-12-06 05:16:56,610 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2024-12-06 05:16:56,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 05:16:56,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:56,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:16:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:56,667 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 05:16:56,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:56,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2024-12-06 05:16:56,800 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2024-12-06 05:16:56,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 05:16:56,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:56,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:16:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:56,913 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 05:16:57,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:57,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2024-12-06 05:16:57,145 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2024-12-06 05:16:57,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:16:57,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:57,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:16:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:57,199 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 05:16:57,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:57,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2024-12-06 05:16:57,345 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2024-12-06 05:16:57,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:16:57,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:57,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:16:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:57,696 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 05:16:58,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:58,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2024-12-06 05:16:58,360 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2024-12-06 05:16:58,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:16:58,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:58,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:16:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:58,379 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 05:16:58,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:58,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2024-12-06 05:16:58,391 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2024-12-06 05:16:58,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:16:58,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:58,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:16:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:58,413 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 05:16:58,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:58,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2024-12-06 05:16:58,429 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2024-12-06 05:16:58,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:16:58,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:58,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:16:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:58,488 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 05:16:58,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:58,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2024-12-06 05:16:58,697 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2024-12-06 05:16:58,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:16:58,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:58,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:16:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:58,983 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 05:16:59,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:59,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2024-12-06 05:16:59,963 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2024-12-06 05:16:59,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:16:59,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:59,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:16:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:00,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:00,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:00,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2024-12-06 05:17:00,113 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2024-12-06 05:17:00,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:00,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:00,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:17:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:00,135 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 05:17:00,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:00,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2024-12-06 05:17:00,314 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2024-12-06 05:17:00,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:00,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:00,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:17:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:00,344 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 05:17:00,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:00,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 36 states and 42 transitions. [2024-12-06 05:17:00,544 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2024-12-06 05:17:00,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:17:00,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:00,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:17:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:00,576 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 05:17:00,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:00,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 39 states and 45 transitions. [2024-12-06 05:17:00,815 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2024-12-06 05:17:00,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:17:00,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:00,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:17:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:01,049 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 05:17:01,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:01,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 42 states and 47 transitions. [2024-12-06 05:17:01,411 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2024-12-06 05:17:01,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:17:01,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:01,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:17:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:01,434 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 05:17:01,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:01,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2024-12-06 05:17:01,671 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2024-12-06 05:17:01,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:17:01,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:01,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:17:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:01,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:01,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:01,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 37 states and 40 transitions. [2024-12-06 05:17:01,882 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2024-12-06 05:17:01,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:17:01,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:01,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:17:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:01,901 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 05:17:02,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:02,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 34 states and 37 transitions. [2024-12-06 05:17:02,042 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2024-12-06 05:17:02,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:17:02,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:02,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:17:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:02,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:05,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:05,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2024-12-06 05:17:05,107 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2024-12-06 05:17:05,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:17:05,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:05,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:17:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:05,431 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 05:17:08,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:08,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 45 states and 58 transitions. [2024-12-06 05:17:08,818 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2024-12-06 05:17:08,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:17:08,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:08,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:17:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:09,004 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 05:17:09,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:09,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2024-12-06 05:17:09,470 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2024-12-06 05:17:09,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:17:09,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:09,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:17:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:09,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:09,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:09,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 47 states and 59 transitions. [2024-12-06 05:17:09,903 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2024-12-06 05:17:09,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:17:09,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:09,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:17:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:10,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:16,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:16,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 52 states and 71 transitions. [2024-12-06 05:17:16,104 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2024-12-06 05:17:16,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 05:17:16,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:16,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:17:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:16,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 05:17:16,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:16,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 53 states and 72 transitions. [2024-12-06 05:17:16,846 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2024-12-06 05:17:16,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 05:17:16,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:16,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:17:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:17,770 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:21,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:21,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 58 states and 83 transitions. [2024-12-06 05:17:21,681 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 83 transitions. [2024-12-06 05:17:21,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:17:21,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:21,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:17:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:23,312 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:28,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:28,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-12-06 05:17:28,136 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-12-06 05:17:28,136 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 05:17:28,136 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2024-12-06 05:17:28,142 INFO L726 CodeCheckObserver]: All specifications hold 15 specifications checked. All of them hold [2024-12-06 05:17:28,615 INFO L77 FloydHoareUtils]: At program point L386-1(line 386) the Hoare annotation is: (and (not (= |ULTIMATE.start_main_~nondetString2~0#1.base| |ULTIMATE.start_main_~nondetString1~0#1.base|)) (< (div |ULTIMATE.start_main_~length2~0#1| 18446744073709551616) 1) (= (select |#valid| |ULTIMATE.start_main_~nondetString1~0#1.base|) 1) (< (div |ULTIMATE.start_main_~length1~0#1| 18446744073709551616) 1) (= (store (store |#valid| |ULTIMATE.start_main_#t~malloc216#1.base| 0) |ULTIMATE.start_main_#t~malloc215#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (< 0 (+ |ULTIMATE.start_main_~nondetString2~0#1.offset| 1)) (not (= |ULTIMATE.start_main_#t~malloc215#1.base| |ULTIMATE.start_main_#t~malloc216#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~nondetString1~0#1.base|) 0) 0) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (<= 1 (+ |ULTIMATE.start_main_~nondetString2~0#1.offset| |ULTIMATE.start_main_~length2~0#1|)) (= |ULTIMATE.start_main_~nondetString1~0#1.offset| 0) (< (mod |ULTIMATE.start_main_~length1~0#1| 18446744073709551616) (+ (select |#length| |ULTIMATE.start_main_~nondetString1~0#1.base|) 1)) (= (select |#length| |ULTIMATE.start_main_~nondetString2~0#1.base|) (mod |ULTIMATE.start_main_~length2~0#1| 18446744073709551616)) (< |ULTIMATE.start_main_~nondetString2~0#1.offset| 1) (= (select |#valid| |ULTIMATE.start_main_~nondetString2~0#1.base|) 1)) [2024-12-06 05:17:28,615 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 05:17:28,615 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 05:17:28,615 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 05:17:28,615 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 05:17:28,615 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 375 391) the Hoare annotation is: (let ((.cse0 (@diff |#valid| |ULTIMATE.start_main_old_#valid#1|))) (= (select |ULTIMATE.start_main_old_#valid#1| .cse0) (select |#valid| .cse0))) [2024-12-06 05:17:28,615 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 05:17:28,615 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 05:17:28,616 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 05:17:28,616 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 05:17:28,616 INFO L77 FloydHoareUtils]: At program point L367-2(line 367) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_cstrcmp_~s1#1.offset| 0)) (.cse0 (not |ULTIMATE.start_cstrcmp_#t~short208#1|)) (.cse2 (select |#memory_int| |ULTIMATE.start_cstrcmp_~s1#1.base|)) (.cse3 (select (select |#memory_int| |ULTIMATE.start_cstrcmp_~s2#1.base|) 0))) (and (or .cse0 (not .cse1)) (<= 0 |ULTIMATE.start_cstrcmp_~s2#1.offset|) (= (store (store |#valid| |ULTIMATE.start_main_#t~malloc216#1.base| 0) |ULTIMATE.start_main_#t~malloc215#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_#t~malloc215#1.base| |ULTIMATE.start_main_#t~malloc216#1.base|)) (or (< 0 |ULTIMATE.start_cstrcmp_~s1#1.offset|) .cse1) (or (not (= |ULTIMATE.start_cstrcmp_~s2#1.offset| 0)) (not (= (select .cse2 |ULTIMATE.start_cstrcmp_~s1#1.offset|) .cse3)) .cse0) (= (select .cse2 0) 0) (<= (+ |ULTIMATE.start_cstrcmp_~s1#1.offset| 1) (select |#length| |ULTIMATE.start_cstrcmp_~s1#1.base|)) (= (select |#valid| |ULTIMATE.start_cstrcmp_~s1#1.base|) 1) (= .cse3 0) (<= (+ |ULTIMATE.start_cstrcmp_~s2#1.offset| 1) (select |#length| |ULTIMATE.start_cstrcmp_~s2#1.base|)) (= (select |#valid| |ULTIMATE.start_cstrcmp_~s2#1.base|) 1))) [2024-12-06 05:17:28,616 INFO L77 FloydHoareUtils]: At program point L367-3(line 367) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |ULTIMATE.start_cstrcmp_~s1#1.base|)) (.cse1 (select (select |#memory_int| |ULTIMATE.start_cstrcmp_~s2#1.base|) 0))) (and (or (not (= |ULTIMATE.start_cstrcmp_~s2#1.offset| 0)) (not (= (select .cse0 |ULTIMATE.start_cstrcmp_~s1#1.offset|) .cse1))) (<= 0 |ULTIMATE.start_cstrcmp_~s2#1.offset|) (= (store (store |#valid| |ULTIMATE.start_main_#t~malloc216#1.base| 0) |ULTIMATE.start_main_#t~malloc215#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_#t~malloc215#1.base| |ULTIMATE.start_main_#t~malloc216#1.base|)) (<= 1 |ULTIMATE.start_cstrcmp_~s1#1.offset|) (= (select .cse0 0) 0) (<= (+ |ULTIMATE.start_cstrcmp_~s1#1.offset| 1) (select |#length| |ULTIMATE.start_cstrcmp_~s1#1.base|)) (= (select |#valid| |ULTIMATE.start_cstrcmp_~s1#1.base|) 1) (= .cse1 0) (<= (+ |ULTIMATE.start_cstrcmp_~s2#1.offset| 1) (select |#length| |ULTIMATE.start_cstrcmp_~s2#1.base|)) (= (select |#valid| |ULTIMATE.start_cstrcmp_~s2#1.base|) 1))) [2024-12-06 05:17:28,616 INFO L77 FloydHoareUtils]: At program point L367-4(line 367) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_cstrcmp_~s2#1.base|) 0))) (and (or (not (= |ULTIMATE.start_cstrcmp_~s2#1.offset| 0)) (not (= |ULTIMATE.start_cstrcmp_#t~mem206#1| .cse0))) (<= 0 |ULTIMATE.start_cstrcmp_~s2#1.offset|) (= (store (store |#valid| |ULTIMATE.start_main_#t~malloc216#1.base| 0) |ULTIMATE.start_main_#t~malloc215#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_#t~malloc215#1.base| |ULTIMATE.start_main_#t~malloc216#1.base|)) (<= 1 |ULTIMATE.start_cstrcmp_~s1#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_cstrcmp_~s1#1.base|) 0) 0) (<= (+ |ULTIMATE.start_cstrcmp_~s1#1.offset| 1) (select |#length| |ULTIMATE.start_cstrcmp_~s1#1.base|)) (= (select |#valid| |ULTIMATE.start_cstrcmp_~s1#1.base|) 1) (= .cse0 0) (<= (+ |ULTIMATE.start_cstrcmp_~s2#1.offset| 1) (select |#length| |ULTIMATE.start_cstrcmp_~s2#1.base|)) (= (select |#valid| |ULTIMATE.start_cstrcmp_~s2#1.base|) 1))) [2024-12-06 05:17:28,617 INFO L77 FloydHoareUtils]: At program point L367-7(lines 367 370) the Hoare annotation is: (let ((.cse0 (= (store (store |#valid| |ULTIMATE.start_main_#t~malloc216#1.base| 0) |ULTIMATE.start_main_#t~malloc215#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)) (.cse1 (not (= |ULTIMATE.start_main_#t~malloc215#1.base| |ULTIMATE.start_main_#t~malloc216#1.base|))) (.cse2 (<= (+ |ULTIMATE.start_cstrcmp_~s1#1.offset| 1) (select |#length| |ULTIMATE.start_cstrcmp_~s1#1.base|))) (.cse3 (= (select |#valid| |ULTIMATE.start_cstrcmp_~s1#1.base|) 1)) (.cse4 (<= (+ |ULTIMATE.start_cstrcmp_~s2#1.offset| 1) (select |#length| |ULTIMATE.start_cstrcmp_~s2#1.base|))) (.cse5 (= (select |#valid| |ULTIMATE.start_cstrcmp_~s2#1.base|) 1))) (or (and (<= 0 |ULTIMATE.start_cstrcmp_~s1#1.offset|) (<= 0 |ULTIMATE.start_cstrcmp_~s2#1.offset|) .cse0 .cse1 .cse2 .cse3 (not |ULTIMATE.start_cstrcmp_#t~short208#1|) .cse4 .cse5) (and .cse0 .cse1 (<= 1 |ULTIMATE.start_cstrcmp_~s2#1.offset|) (<= 1 |ULTIMATE.start_cstrcmp_~s1#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_cstrcmp_~s1#1.base|) 0) 0) .cse2 .cse3 (= (select (select |#memory_int| |ULTIMATE.start_cstrcmp_~s2#1.base|) 0) 0) .cse4 .cse5))) [2024-12-06 05:17:28,617 INFO L77 FloydHoareUtils]: At program point L367-10(lines 367 370) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_cstrcmp_~s1#1.offset|) (<= 0 |ULTIMATE.start_cstrcmp_~s2#1.offset|) (= (store (store |#valid| |ULTIMATE.start_main_#t~malloc216#1.base| 0) |ULTIMATE.start_main_#t~malloc215#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_#t~malloc215#1.base| |ULTIMATE.start_main_#t~malloc216#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_cstrcmp_~s1#1.base|) 0) 0) (<= (+ |ULTIMATE.start_cstrcmp_~s1#1.offset| 1) (select |#length| |ULTIMATE.start_cstrcmp_~s1#1.base|)) (= (select |#valid| |ULTIMATE.start_cstrcmp_~s1#1.base|) 1) (= (select (select |#memory_int| |ULTIMATE.start_cstrcmp_~s2#1.base|) 0) 0) (<= (+ |ULTIMATE.start_cstrcmp_~s2#1.offset| 1) (select |#length| |ULTIMATE.start_cstrcmp_~s2#1.base|)) (= (select |#valid| |ULTIMATE.start_cstrcmp_~s2#1.base|) 1)) [2024-12-06 05:17:28,617 INFO L77 FloydHoareUtils]: At program point L367-11(lines 367 370) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_cstrcmp_~s1#1.offset|) (<= 0 |ULTIMATE.start_cstrcmp_~s2#1.offset|) (= (store (store |#valid| |ULTIMATE.start_main_#t~malloc216#1.base| 0) |ULTIMATE.start_main_#t~malloc215#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_#t~malloc215#1.base| |ULTIMATE.start_main_#t~malloc216#1.base|)) (<= (+ |ULTIMATE.start_cstrcmp_~s1#1.offset| 1) (select |#length| |ULTIMATE.start_cstrcmp_~s1#1.base|)) (= (select |#valid| |ULTIMATE.start_cstrcmp_~s1#1.base|) 1) (<= (+ |ULTIMATE.start_cstrcmp_~s2#1.offset| 1) (select |#length| |ULTIMATE.start_cstrcmp_~s2#1.base|)) (= (select |#valid| |ULTIMATE.start_cstrcmp_~s2#1.base|) 1)) [2024-12-06 05:17:28,617 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 05:17:28,617 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 05:17:28,617 INFO L77 FloydHoareUtils]: At program point L372(line 372) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_cstrcmp_~s2#1.offset|) (= (store (store |#valid| |ULTIMATE.start_main_#t~malloc216#1.base| 0) |ULTIMATE.start_main_#t~malloc215#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_#t~malloc215#1.base| |ULTIMATE.start_main_#t~malloc216#1.base|)) (<= (+ |ULTIMATE.start_cstrcmp_~s2#1.offset| 1) (select |#length| |ULTIMATE.start_cstrcmp_~s2#1.base|)) (= (select |#valid| |ULTIMATE.start_cstrcmp_~s2#1.base|) 1)) [2024-12-06 05:17:28,617 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 05:17:28,617 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 05:17:28,617 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 05:17:28,618 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 05:17:28,618 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 05:17:28,618 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 05:17:28,618 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK(lines 375 391) no Hoare annotation was computed. [2024-12-06 05:17:28,618 INFO L77 FloydHoareUtils]: At program point L386(line 386) the Hoare annotation is: (and (not (= |ULTIMATE.start_main_~nondetString2~0#1.base| |ULTIMATE.start_main_~nondetString1~0#1.base|)) (< (div |ULTIMATE.start_main_~length2~0#1| 18446744073709551616) 1) (= (select |#valid| |ULTIMATE.start_main_~nondetString1~0#1.base|) 1) (< (div |ULTIMATE.start_main_~length1~0#1| 18446744073709551616) 1) (= (store (store |#valid| |ULTIMATE.start_main_#t~malloc216#1.base| 0) |ULTIMATE.start_main_#t~malloc215#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (< 0 (+ |ULTIMATE.start_main_~nondetString2~0#1.offset| 1)) (not (= |ULTIMATE.start_main_#t~malloc215#1.base| |ULTIMATE.start_main_#t~malloc216#1.base|)) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (<= 1 (+ |ULTIMATE.start_main_~nondetString2~0#1.offset| |ULTIMATE.start_main_~length2~0#1|)) (= |ULTIMATE.start_main_~nondetString1~0#1.offset| 0) (< (mod |ULTIMATE.start_main_~length1~0#1| 18446744073709551616) (+ (select |#length| |ULTIMATE.start_main_~nondetString1~0#1.base|) 1)) (= (select |#length| |ULTIMATE.start_main_~nondetString2~0#1.base|) (mod |ULTIMATE.start_main_~length2~0#1| 18446744073709551616)) (< |ULTIMATE.start_main_~nondetString2~0#1.offset| 1) (= (select |#valid| |ULTIMATE.start_main_~nondetString2~0#1.base|) 1)) [2024-12-06 05:17:28,623 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.getBinaryOperator(Term2Expression.java:580) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:283) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translateSelect(Term2Expression.java:371) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:164) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.lib.translation.DefaultTranslator.translateExpressionWithContext(DefaultTranslator.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionWithContext(ModelTranslationContainer.java:109) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionWithContext(ModelTranslationContainer.java:91) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.BacktranslationService.translateExpressionWithContext(BacktranslationService.java:117) at de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.FloydHoareUtils.createInvariantResults(FloydHoareUtils.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createInvariantAndContractResults(CodeCheckObserver.java:542) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:518) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:17:28,626 INFO L158 Benchmark]: Toolchain (without parser) took 33437.02ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 115.4MB in the beginning and 138.7MB in the end (delta: -23.3MB). Peak memory consumption was 142.4MB. Max. memory is 16.1GB. [2024-12-06 05:17:28,627 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:17:28,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.74ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 96.7MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:17:28,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.87ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 95.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:17:28,628 INFO L158 Benchmark]: Boogie Preprocessor took 21.78ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 94.1MB in the end (delta: 990.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:17:28,628 INFO L158 Benchmark]: RCFGBuilder took 390.45ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 75.0MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:17:28,628 INFO L158 Benchmark]: CodeCheck took 32644.33ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 75.0MB in the beginning and 138.7MB in the end (delta: -63.7MB). Peak memory consumption was 100.5MB. Max. memory is 16.1GB. [2024-12-06 05:17:28,630 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: 32.1s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1334 SdHoareTripleChecker+Valid, 7.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1248 mSDsluCounter, 444 SdHoareTripleChecker+Invalid, 6.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 256 mSDsCounter, 1189 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4411 IncrementalHoareTripleChecker+Invalid, 5600 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1189 mSolverCounterUnsat, 188 mSDtfsCounter, 4411 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1799 GetRequests, 1461 SyntacticMatches, 48 SemanticMatches, 290 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34459 ImplicationChecksByTransitivity, 28.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 1817 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 22 PerfectInterpolantSequences, 9/34 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 - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 375]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int) de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.getBinaryOperator(Term2Expression.java:580) * 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 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.74ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 96.7MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.87ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 95.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.78ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 94.1MB in the end (delta: 990.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 390.45ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 75.0MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 32644.33ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 75.0MB in the beginning and 138.7MB in the end (delta: -63.7MB). Peak memory consumption was 100.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:17:28,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/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_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/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_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/cstrcmp_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/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 64bit --witnessprinter.graph.data.programhash 956a7be0aa4123ddc345c58470e6c6f0d648bcd1784c1fbfd2df8e05f06ac7cd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:17:30,523 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:17:30,596 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf [2024-12-06 05:17:30,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:17:30,622 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:17:30,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:17:30,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:17:30,623 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:17:30,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:17:30,623 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 05:17:30,623 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 05:17:30,623 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 05:17:30,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:17:30,623 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:17:30,623 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:17:30,623 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:17:30,624 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:17:30,624 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:17:30,624 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:17:30,624 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:17:30,624 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:17:30,624 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:17:30,624 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:30,624 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:17:30,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:17:30,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:17:30,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:17:30,625 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:17:30,625 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:17:30,625 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:30,625 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:17:30,625 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_56cfa81b-53db-4cb5-ace2-f0778590d8e2/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 956a7be0aa4123ddc345c58470e6c6f0d648bcd1784c1fbfd2df8e05f06ac7cd [2024-12-06 05:17:30,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:17:30,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:17:30,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:17:30,859 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:17:30,859 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:17:30,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-15/cstrcmp_reverse_alloca.i [2024-12-06 05:17:33,528 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/data/da6d58adb/6a4e2b8055724a77a5c301b671a30d7d/FLAGd1083ae72 [2024-12-06 05:17:33,734 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:17:33,734 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/sv-benchmarks/c/termination-15/cstrcmp_reverse_alloca.i [2024-12-06 05:17:33,744 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/data/da6d58adb/6a4e2b8055724a77a5c301b671a30d7d/FLAGd1083ae72 [2024-12-06 05:17:34,071 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/data/da6d58adb/6a4e2b8055724a77a5c301b671a30d7d [2024-12-06 05:17:34,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:17:34,074 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:17:34,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:17:34,075 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:17:34,078 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:17:34,079 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:17:34" (1/1) ... [2024-12-06 05:17:34,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2264f269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:34, skipping insertion in model container [2024-12-06 05:17:34,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:17:34" (1/1) ... [2024-12-06 05:17:34,101 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:17:34,310 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 05:17:34,311 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 05:17:34,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:17:34,323 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:17:34,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:17:34,399 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:17:34,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:34 WrapperNode [2024-12-06 05:17:34,399 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:17:34,400 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:17:34,400 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:17:34,400 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:17:34,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:34" (1/1) ... [2024-12-06 05:17:34,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:34" (1/1) ... [2024-12-06 05:17:34,435 INFO L138 Inliner]: procedures = 153, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2024-12-06 05:17:34,435 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:17:34,436 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:17:34,436 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:17:34,436 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:17:34,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:34" (1/1) ... [2024-12-06 05:17:34,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:34" (1/1) ... [2024-12-06 05:17:34,444 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:34" (1/1) ... [2024-12-06 05:17:34,445 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:34" (1/1) ... [2024-12-06 05:17:34,451 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:34" (1/1) ... [2024-12-06 05:17:34,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:34" (1/1) ... [2024-12-06 05:17:34,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:34" (1/1) ... [2024-12-06 05:17:34,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:34" (1/1) ... [2024-12-06 05:17:34,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:34" (1/1) ... [2024-12-06 05:17:34,459 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:17:34,460 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:17:34,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:17:34,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:17:34,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:34" (1/1) ... [2024-12-06 05:17:34,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:17:34,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:17:34,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:17:34,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:17:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-12-06 05:17:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 05:17:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-12-06 05:17:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:17:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:17:34,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:17:34,571 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:17:34,573 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:17:34,820 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-12-06 05:17:34,820 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:17:34,877 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:17:34,877 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:17:34,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:17:34 BoogieIcfgContainer [2024-12-06 05:17:34,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:17:34,878 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:17:34,879 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:17:34,889 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:17:34,889 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:17:34" (1/1) ... [2024-12-06 05:17:34,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:17:34,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:34,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 27 states and 29 transitions. [2024-12-06 05:17:34,936 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2024-12-06 05:17:34,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 05:17:34,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:34,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:34,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:34,940 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:34,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:17:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:35,018 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:35,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:17:35,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:35,107 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2024-12-06 05:17:35,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2024-12-06 05:17:35,126 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 05:17:35,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:17:35,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:35,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2024-12-06 05:17:35,174 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2024-12-06 05:17:35,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 05:17:35,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:35,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:35,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:35,176 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:35,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:17:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:35,261 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:35,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 05:17:35,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:35,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:17:35,333 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 12 treesize of output 6 [2024-12-06 05:17:35,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2024-12-06 05:17:35,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:35,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:17:35,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:35,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2024-12-06 05:17:35,571 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2024-12-06 05:17:35,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 05:17:35,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:35,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:35,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:35,575 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:35,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:17:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:35,648 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:35,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:17:35,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:35,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-06 05:17:35,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:17:35,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-12-06 05:17:35,712 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 05:17:35,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 05:17:35,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:35,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2024-12-06 05:17:35,938 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2024-12-06 05:17:35,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 05:17:35,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:35,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:35,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:35,940 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:35,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:17:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:36,012 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:36,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 05:17:36,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:36,062 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 12 treesize of output 6 [2024-12-06 05:17:36,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2024-12-06 05:17:36,188 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 05:17:36,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 05:17:36,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:36,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2024-12-06 05:17:36,742 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2024-12-06 05:17:36,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:17:36,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:36,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:36,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:36,744 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:36,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 05:17:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:36,841 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:36,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:17:36,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:36,929 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 05:17:36,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 05:17:37,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:37,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2024-12-06 05:17:37,198 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2024-12-06 05:17:37,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:17:37,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:37,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:37,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:37,200 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:37,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 05:17:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:37,316 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:37,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:17:37,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:37,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:17:37,389 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 12 treesize of output 6 [2024-12-06 05:17:37,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2024-12-06 05:17:37,687 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 05:17:37,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 05:17:38,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:38,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2024-12-06 05:17:38,988 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-12-06 05:17:38,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:17:38,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:38,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:38,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:38,990 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:38,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 05:17:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:39,050 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:39,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:17:39,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:39,072 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 05:17:39,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 05:17:39,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:39,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2024-12-06 05:17:39,107 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-12-06 05:17:39,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:17:39,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:39,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:39,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:39,109 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:39,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 05:17:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:39,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:39,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:17:39,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:39,679 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 05:17:39,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 05:17:41,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:41,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2024-12-06 05:17:41,244 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-12-06 05:17:41,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:41,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:41,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:41,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:41,246 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:41,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 05:17:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:41,333 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:41,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:17:41,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:41,362 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 11 treesize of output 7 [2024-12-06 05:17:41,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:17:41,368 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 1 [2024-12-06 05:17:41,480 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 05:17:41,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 05:17:43,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:43,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2024-12-06 05:17:43,171 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2024-12-06 05:17:43,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:43,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:43,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:43,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:43,173 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:43,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 05:17:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:43,282 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:43,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 05:17:43,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:43,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2024-12-06 05:17:43,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2024-12-06 05:17:43,678 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 05:17:43,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 05:17:47,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:47,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2024-12-06 05:17:47,825 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2024-12-06 05:17:47,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:47,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:47,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:47,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:47,827 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:47,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 05:17:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:47,892 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:47,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:17:47,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:48,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:48,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 05:17:48,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:48,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2024-12-06 05:17:48,186 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2024-12-06 05:17:48,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:48,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:48,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:48,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:48,188 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:48,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 05:17:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:48,247 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:48,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:17:48,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:48,273 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 05:17:48,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 05:17:48,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:48,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2024-12-06 05:17:48,643 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2024-12-06 05:17:48,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:48,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:48,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:48,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:48,645 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:48,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 05:17:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:48,695 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:48,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:17:48,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:48,766 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 05:17:48,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 05:17:50,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:50,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 49 transitions. [2024-12-06 05:17:50,295 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2024-12-06 05:17:50,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:17:50,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:50,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:50,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:50,297 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:50,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 05:17:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:50,390 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:50,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:17:50,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:50,414 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 11 treesize of output 7 [2024-12-06 05:17:50,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:17:50,420 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 1 [2024-12-06 05:17:50,432 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 05:17:50,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 05:17:52,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:52,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 52 transitions. [2024-12-06 05:17:52,095 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2024-12-06 05:17:52,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:17:52,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:52,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:52,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:52,097 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:52,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 05:17:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:52,200 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:52,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 05:17:52,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:52,249 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 12 treesize of output 6 [2024-12-06 05:17:52,255 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 7 treesize of output 1 [2024-12-06 05:17:52,759 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 05:17:52,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 05:17:57,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:57,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 42 states and 57 transitions. [2024-12-06 05:17:57,692 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2024-12-06 05:17:57,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:17:57,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:57,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:57,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:57,693 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:57,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 05:17:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:57,799 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:57,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:17:57,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:57,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 05:17:57,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 05:17:58,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:58,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 57 transitions. [2024-12-06 05:17:58,959 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2024-12-06 05:17:58,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:17:58,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:58,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:58,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:58,961 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:58,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 05:17:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:59,024 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:59,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:17:59,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:59,137 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 05:17:59,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 05:18:00,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:00,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 43 states and 56 transitions. [2024-12-06 05:18:00,226 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2024-12-06 05:18:00,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:18:00,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:00,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:00,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:00,228 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:00,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 05:18:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:00,383 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:00,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 05:18:00,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:00,464 INFO L349 Elim1Store]: treesize reduction 13, result has 43.5 percent of original size [2024-12-06 05:18:00,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 10 [2024-12-06 05:18:00,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2024-12-06 05:18:00,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 12 treesize of output 8 [2024-12-06 05:18:01,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-12-06 05:18:01,430 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:18:01,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 34 treesize of output 30 [2024-12-06 05:18:02,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:18:02,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 05:18:15,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:15,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 49 states and 69 transitions. [2024-12-06 05:18:15,537 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2024-12-06 05:18:15,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:18:15,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:15,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:15,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:15,539 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:15,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 05:18:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:15,685 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:15,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:18:15,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:16,206 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:18:16,207 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-12-06 05:18:16,220 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_26| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_26| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_26|)))) is different from true [2024-12-06 05:18:16,220 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 05:18:16,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 05:18:33,788 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_26| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_26| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_26|))))) is different from false [2024-12-06 05:18:33,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:33,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 55 states and 87 transitions. [2024-12-06 05:18:33,791 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 87 transitions. [2024-12-06 05:18:33,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:18:33,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:33,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:33,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:33,793 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:33,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 05:18:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:33,928 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:33,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:18:33,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:34,050 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:18:34,051 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-12-06 05:18:34,062 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_27| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_27| (_ BitVec 64))) (and (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_27| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_27|)) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_27|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_27| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_27| (_ bv0 1))))) is different from true [2024-12-06 05:18:34,062 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 05:18:34,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 05:18:34,084 WARN L873 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_27| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_27| (_ BitVec 64))) (and (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_27| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_27|)) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_27|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_27| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_27| (_ bv0 1))))) (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_26| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_26| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_26|))))) is different from true [2024-12-06 05:18:34,086 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_27| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_27| (_ BitVec 64))) (and (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_27| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_27|)) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_27|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_27| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_27| (_ bv0 1)))))) is different from false [2024-12-06 05:18:34,091 WARN L851 $PredicateComparison]: unable to prove that (not (and (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_27| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_27| (_ BitVec 64))) (and (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_27| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_27|)) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_27|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_27| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_27| (_ bv0 1))))) (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_26| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_26| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_26|)))))) is different from false [2024-12-06 05:18:34,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:34,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 55 states and 87 transitions. [2024-12-06 05:18:34,095 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 87 transitions. [2024-12-06 05:18:34,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:18:34,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:34,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:34,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:34,098 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:34,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 05:18:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:34,219 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:34,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:18:34,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:34,313 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:18:34,313 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-12-06 05:18:34,325 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_28| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_28| (_ BitVec 64))) (and (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_28| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_28| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_28| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_28|)) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_28|)))) is different from true [2024-12-06 05:18:34,326 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 05:18:34,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 05:18:34,350 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_28| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_28| (_ BitVec 64))) (and (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_28| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_28| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_28| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_28|)) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_28|))))) is different from false [2024-12-06 05:18:34,355 WARN L851 $PredicateComparison]: unable to prove that (and (not (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_28| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_28| (_ BitVec 64))) (and (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_28| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_28| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_28| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_28|)) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_28|))))) (not (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_26| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_26| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_26|)))))) is different from false [2024-12-06 05:18:34,364 WARN L873 $PredicateComparison]: unable to prove that (not (and (not (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_28| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_28| (_ BitVec 64))) (and (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_28| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_28| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_28| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_28|)) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_28|))))) (not (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_26| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_26| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_26|))))))) is different from true [2024-12-06 05:18:34,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:34,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 55 states and 87 transitions. [2024-12-06 05:18:34,366 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 87 transitions. [2024-12-06 05:18:34,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:18:34,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:34,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:34,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:34,368 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:34,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 05:18:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:34,525 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:34,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:18:34,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:34,641 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:18:34,642 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-12-06 05:18:34,654 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_29| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_29| (_ BitVec 64))) (and (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_29| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_29|)) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_29|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_29| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_29| (_ bv0 1))))) is different from true [2024-12-06 05:18:34,655 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 05:18:34,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 05:18:34,684 WARN L873 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_27| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_27| (_ BitVec 64))) (and (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_27| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_27|)) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_27|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_27| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_27| (_ bv0 1))))) (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_26| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_26| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_26|)))) (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_29| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_29| (_ BitVec 64))) (and (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_29| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_29|)) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_29|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_29| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_29| (_ bv0 1)))))) is different from true [2024-12-06 05:18:34,686 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_29| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_29| (_ BitVec 64))) (and (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_29| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_29|)) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_29|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_29| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_29| (_ bv0 1)))))) is different from false [2024-12-06 05:18:34,692 WARN L851 $PredicateComparison]: unable to prove that (not (and (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_27| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_27| (_ BitVec 64))) (and (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_27| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_27|)) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_27|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_27| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_27| (_ bv0 1))))) (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_26| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_26| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_26|)))) (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_29| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_29| (_ BitVec 64))) (and (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_29| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_29|)) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_29|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_29| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_29| (_ bv0 1))))))) is different from false [2024-12-06 05:18:34,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:34,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 55 states and 87 transitions. [2024-12-06 05:18:34,697 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 87 transitions. [2024-12-06 05:18:34,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:18:34,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:34,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:34,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:34,700 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:34,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 05:18:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:34,831 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:34,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 05:18:34,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:35,372 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:18:35,373 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-12-06 05:18:35,948 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 05:18:35,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-12-06 05:18:41,515 WARN L851 $PredicateComparison]: unable to prove that (and (not (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_28| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_28| (_ BitVec 64))) (and (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_28| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_28| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_28| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_28|)) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_28|))))) (not (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_26| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_26| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_26|))))) (not (exists ((|v_ULTIMATE.start_main_#t~malloc215#1.base_30| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc216#1.base_30| (_ BitVec 64))) (and (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_30| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_30|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_30| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_30| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_30|)))))) is different from false [2024-12-06 05:18:42,512 WARN L873 $PredicateComparison]: unable to prove that (not (and (not (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_28| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_28| (_ BitVec 64))) (and (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_28| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_28| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_28| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_28|)) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_28|))))) (not (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_26| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_26| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_26|))))) (not (exists ((|v_ULTIMATE.start_main_#t~malloc215#1.base_30| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc216#1.base_30| (_ BitVec 64))) (and (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_30| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_30|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_30| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_30| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_30|))))))) is different from true [2024-12-06 05:18:42,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:42,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 55 states and 87 transitions. [2024-12-06 05:18:42,513 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 87 transitions. [2024-12-06 05:18:42,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:18:42,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:42,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:42,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:42,515 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:42,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 05:18:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:42,646 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:42,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:18:42,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:42,752 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:18:42,753 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-12-06 05:18:43,291 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 05:18:43,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 05:18:44,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:44,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 55 states and 86 transitions. [2024-12-06 05:18:44,131 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 86 transitions. [2024-12-06 05:18:44,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:18:44,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:44,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:44,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:44,133 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:44,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 05:18:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:44,270 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:44,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:18:44,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:44,352 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:18:44,352 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-12-06 05:18:44,366 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~malloc215#1.base_32| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc216#1.base_32| (_ BitVec 64))) (and (= (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_32| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_32| (_ bv0 1)) |c_#valid|) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_32|)) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_32| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_32|)))) is different from true [2024-12-06 05:18:44,366 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 05:18:44,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 05:18:44,396 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_#t~malloc215#1.base_32| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc216#1.base_32| (_ BitVec 64))) (and (= (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_32| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_32| (_ bv0 1)) |c_#valid|) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_32|)) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_32| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_32|))))) is different from false [2024-12-06 05:18:44,404 WARN L851 $PredicateComparison]: unable to prove that (and (not (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_28| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_28| (_ BitVec 64))) (and (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_28| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_28| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_28| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_28|)) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_28|))))) (not (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_26| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_26| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_26|))))) (not (exists ((|v_ULTIMATE.start_main_#t~malloc215#1.base_30| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc216#1.base_30| (_ BitVec 64))) (and (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_30| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_30|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_30| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_30| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_30|))))) (not (exists ((|v_ULTIMATE.start_main_#t~malloc215#1.base_32| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc216#1.base_32| (_ BitVec 64))) (and (= (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_32| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_32| (_ bv0 1)) |c_#valid|) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_32|)) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_32| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_32|)))))) is different from false [2024-12-06 05:18:47,336 WARN L873 $PredicateComparison]: unable to prove that (not (and (not (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_28| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_28| (_ BitVec 64))) (and (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_28| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_28| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_28| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_28|)) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_28|))))) (not (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_26| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_26| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_26| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_26|))))) (not (exists ((|v_ULTIMATE.start_main_#t~malloc215#1.base_30| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc216#1.base_30| (_ BitVec 64))) (and (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_30| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_30|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_30| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_30| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_30|))))) (not (exists ((|v_ULTIMATE.start_main_#t~malloc215#1.base_32| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc216#1.base_32| (_ BitVec 64))) (and (= (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_32| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_32| (_ bv0 1)) |c_#valid|) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_32|)) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_32| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_32|))))))) is different from true [2024-12-06 05:18:47,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:47,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 55 states and 86 transitions. [2024-12-06 05:18:47,337 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 86 transitions. [2024-12-06 05:18:47,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:18:47,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:47,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:47,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:47,339 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:47,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 05:18:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:47,489 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:47,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 05:18:47,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:47,594 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:18:47,594 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-12-06 05:18:47,606 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~malloc215#1.base_33| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc216#1.base_33| (_ BitVec 64))) (and (= (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_33| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_33| (_ bv0 1)) |c_#valid|) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_33|)) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_33| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_33|)))) is different from true [2024-12-06 05:18:47,606 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 05:18:47,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 05:18:47,634 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_#t~malloc215#1.base_33| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc216#1.base_33| (_ BitVec 64))) (and (= (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_33| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_33| (_ bv0 1)) |c_#valid|) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_33|)) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_33| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_33|))))) is different from false [2024-12-06 05:18:59,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:18:59,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:59,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 55 states and 85 transitions. [2024-12-06 05:18:59,625 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 85 transitions. [2024-12-06 05:18:59,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:18:59,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:59,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:59,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:59,627 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:59,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 05:18:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:59,789 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:59,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 05:18:59,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:59,900 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:18:59,900 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-12-06 05:18:59,912 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~malloc215#1.base_34| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc216#1.base_34| (_ BitVec 64))) (and (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_34| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_34|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_34| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_34| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_34|)))) is different from true [2024-12-06 05:18:59,913 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 05:18:59,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-12-06 05:19:02,394 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_#t~malloc215#1.base_34| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc216#1.base_34| (_ BitVec 64))) (and (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_34| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_34|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_34| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_34| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_34|))))) is different from false [2024-12-06 05:19:02,399 WARN L851 $PredicateComparison]: unable to prove that (and (not (exists ((|v_ULTIMATE.start_main_#t~malloc215#1.base_30| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc216#1.base_30| (_ BitVec 64))) (and (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_30| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_30|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_30| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_30| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_30|))))) (not (exists ((|v_ULTIMATE.start_main_#t~malloc215#1.base_34| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc216#1.base_34| (_ BitVec 64))) (and (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_34| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_34|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_34| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_34| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_34|)))))) is different from false [2024-12-06 05:19:02,409 WARN L873 $PredicateComparison]: unable to prove that (not (and (not (exists ((|v_ULTIMATE.start_main_#t~malloc215#1.base_30| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc216#1.base_30| (_ BitVec 64))) (and (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_30| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_30|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_30| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_30| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_30|))))) (not (exists ((|v_ULTIMATE.start_main_#t~malloc215#1.base_34| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc216#1.base_34| (_ BitVec 64))) (and (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_34| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_34|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_34| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_34| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_34|))))))) is different from true [2024-12-06 05:19:02,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:19:02,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 57 states and 87 transitions. [2024-12-06 05:19:02,411 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 87 transitions. [2024-12-06 05:19:02,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:19:02,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:19:02,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:19:02,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:19:02,413 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:19:02,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 05:19:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:02,556 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:19:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:02,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 05:19:02,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:19:02,589 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 11 treesize of output 7 [2024-12-06 05:19:02,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:19:02,596 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 1 [2024-12-06 05:19:02,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 05:19:02,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 05:19:06,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:19:06,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 57 states and 86 transitions. [2024-12-06 05:19:06,298 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 86 transitions. [2024-12-06 05:19:06,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:19:06,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:19:06,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:19:06,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:19:06,300 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:19:06,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 05:19:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:06,461 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:19:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:06,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 05:19:06,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:19:06,542 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 12 treesize of output 6 [2024-12-06 05:19:06,549 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 7 treesize of output 1 [2024-12-06 05:19:06,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-06 05:19:09,342 INFO L349 Elim1Store]: treesize reduction 3, result has 90.9 percent of original size [2024-12-06 05:19:09,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 61 [2024-12-06 05:19:11,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:19:11,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 05:19:39,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:19:49,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:19:49,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 66 states and 110 transitions. [2024-12-06 05:19:49,546 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 110 transitions. [2024-12-06 05:19:49,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 05:19:49,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:19:49,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:19:49,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:19:49,552 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:19:49,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 05:19:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:49,716 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:19:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:49,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 05:19:49,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:19:49,833 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 12 treesize of output 6 [2024-12-06 05:19:49,841 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 7 treesize of output 1 [2024-12-06 05:19:49,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-06 05:19:50,594 INFO L349 Elim1Store]: treesize reduction 3, result has 90.9 percent of original size [2024-12-06 05:19:50,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 61 [2024-12-06 05:19:50,806 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:19:50,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 05:20:03,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:20:03,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 69 states and 114 transitions. [2024-12-06 05:20:03,546 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 114 transitions. [2024-12-06 05:20:03,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 05:20:03,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:20:03,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:20:03,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:20:03,547 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:20:03,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 05:20:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:20:03,631 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:20:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:20:03,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:20:03,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:20:03,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 05:20:03,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 05:20:06,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:20:06,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 69 states and 112 transitions. [2024-12-06 05:20:06,482 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 112 transitions. [2024-12-06 05:20:06,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 05:20:06,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:20:06,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:20:06,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:20:06,484 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:20:06,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 05:20:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:20:06,566 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:20:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:20:06,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:20:06,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:20:06,686 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 05:20:06,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 05:20:09,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:20:09,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 69 states and 111 transitions. [2024-12-06 05:20:09,216 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 111 transitions. [2024-12-06 05:20:09,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 05:20:09,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:20:09,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:20:09,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:20:09,218 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:20:09,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 05:20:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:20:09,439 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:20:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:20:09,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 05:20:09,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:20:09,548 INFO L349 Elim1Store]: treesize reduction 13, result has 43.5 percent of original size [2024-12-06 05:20:09,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 10 [2024-12-06 05:20:09,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2024-12-06 05:20:09,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 12 treesize of output 8 [2024-12-06 05:20:09,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-12-06 05:20:10,756 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:20:10,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 34 treesize of output 30 [2024-12-06 05:20:14,149 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:20:14,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 05:20:58,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:20:58,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 79 states and 134 transitions. [2024-12-06 05:20:58,129 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 134 transitions. [2024-12-06 05:20:58,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 05:20:58,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:20:58,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:20:58,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:20:58,131 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:20:58,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 05:20:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:20:58,327 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:20:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:20:58,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 05:20:58,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:20:59,448 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:20:59,448 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-12-06 05:20:59,460 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~malloc215#1.base_35| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc216#1.base_35| (_ BitVec 64))) (and (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_35| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_35| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_35| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_35|)) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_35|)))) is different from true [2024-12-06 05:20:59,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:20:59,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 05:21:51,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:21:51,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 89 states and 156 transitions. [2024-12-06 05:21:51,723 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 156 transitions. [2024-12-06 05:21:51,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 05:21:51,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:21:51,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:21:51,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:21:51,725 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:21:51,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 05:21:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:51,934 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:21:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:51,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 05:21:51,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:21:52,142 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:21:52,142 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-12-06 05:21:52,154 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_36| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_36| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_36|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_36| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_36| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_36| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_36|)))) is different from true [2024-12-06 05:21:52,154 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:21:52,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 05:21:52,193 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_36| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_36| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_36|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_36| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_36| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_36| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_36|))))) is different from false [2024-12-06 05:21:53,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:21:53,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 89 states and 155 transitions. [2024-12-06 05:21:53,448 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 155 transitions. [2024-12-06 05:21:53,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 05:21:53,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:21:53,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:21:53,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:21:53,450 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:21:53,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 05:21:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:53,643 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:21:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:53,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 05:21:53,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:21:53,844 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:21:53,844 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-12-06 05:21:54,403 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:21:54,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 05:22:00,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:22:00,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 91 states and 157 transitions. [2024-12-06 05:22:00,264 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 157 transitions. [2024-12-06 05:22:00,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:22:00,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:22:00,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:22:00,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:22:00,266 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:22:00,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 05:22:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:22:00,408 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:22:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:22:00,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:22:00,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:22:00,468 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 05:22:00,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 05:22:07,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:22:07,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 91 states and 156 transitions. [2024-12-06 05:22:07,194 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 156 transitions. [2024-12-06 05:22:07,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:22:07,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:22:07,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:22:07,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:22:07,196 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:22:07,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 05:22:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:22:07,407 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:22:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:22:07,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 05:22:07,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:22:07,550 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 12 treesize of output 6 [2024-12-06 05:22:07,557 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 7 treesize of output 1 [2024-12-06 05:22:07,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-06 05:22:13,299 INFO L349 Elim1Store]: treesize reduction 3, result has 90.9 percent of original size [2024-12-06 05:22:13,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 61 [2024-12-06 05:22:16,565 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:22:16,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 05:23:31,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:23:31,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 101 states and 184 transitions. [2024-12-06 05:23:31,026 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 184 transitions. [2024-12-06 05:23:31,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 05:23:31,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:23:31,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:23:31,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:23:31,028 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:23:31,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 05:23:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:31,240 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:23:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:31,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 05:23:31,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:23:31,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2024-12-06 05:23:31,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2024-12-06 05:23:31,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-06 05:23:32,279 INFO L349 Elim1Store]: treesize reduction 3, result has 90.9 percent of original size [2024-12-06 05:23:32,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 61 [2024-12-06 05:23:34,753 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:23:34,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-12-06 05:23:53,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:23:53,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 104 states and 188 transitions. [2024-12-06 05:23:53,699 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 188 transitions. [2024-12-06 05:23:53,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:23:53,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:23:53,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:23:53,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:23:53,701 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:23:53,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 05:23:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:53,959 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:23:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:54,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 05:23:54,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:23:54,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2024-12-06 05:23:54,087 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 12 treesize of output 6 [2024-12-06 05:23:54,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 12 treesize of output 8 [2024-12-06 05:23:54,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-12-06 05:24:02,536 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:24:02,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 34 treesize of output 30 [2024-12-06 05:24:08,368 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:24:08,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 05:25:42,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:42,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 114 states and 214 transitions. [2024-12-06 05:25:42,289 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 214 transitions. [2024-12-06 05:25:42,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:25:42,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:42,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:25:42,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:25:42,291 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:25:42,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 05:25:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:42,471 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:25:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:42,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 05:25:42,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:25:42,549 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-06 05:25:42,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-12-06 05:25:45,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:45,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 114 states and 212 transitions. [2024-12-06 05:25:45,073 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 212 transitions. [2024-12-06 05:25:45,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:25:45,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:45,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:25:45,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:25:45,074 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:25:45,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 05:25:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:45,300 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:25:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:45,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:25:45,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:25:45,541 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:25:45,541 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-12-06 05:25:45,556 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_38| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_38| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_38|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_38| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_38| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_38| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_38|)))) is different from true [2024-12-06 05:25:45,556 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 05:25:45,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-06 05:27:02,639 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_38| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_38| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_38|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_38| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_38| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_38| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_38|))))) is different from false [2024-12-06 05:27:03,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:03,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 124 states and 231 transitions. [2024-12-06 05:27:03,085 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 231 transitions. [2024-12-06 05:27:03,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 05:27:03,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:03,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:27:03,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:27:03,087 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:27:03,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 05:27:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:03,333 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:27:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:03,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 05:27:03,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:27:03,617 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:27:03,617 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-12-06 05:27:03,629 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_39| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_39| (_ BitVec 64))) (and (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_39| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_39|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_39| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_39| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_39|)))) is different from true [2024-12-06 05:27:03,630 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 05:27:03,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-12-06 05:27:10,901 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_#t~malloc216#1.base_39| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc215#1.base_39| (_ BitVec 64))) (and (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_39| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_39|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_39| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc216#1.base_39| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc215#1.base_39|))))) is different from false [2024-12-06 05:27:11,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:11,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 126 states and 233 transitions. [2024-12-06 05:27:11,320 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 233 transitions. [2024-12-06 05:27:11,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 05:27:11,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:11,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:27:11,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:27:11,322 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:27:11,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 05:27:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:11,562 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:27:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:11,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 05:27:11,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:27:11,720 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 12 treesize of output 6 [2024-12-06 05:27:11,728 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 7 treesize of output 1 [2024-12-06 05:27:11,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-06 05:27:29,950 INFO L349 Elim1Store]: treesize reduction 3, result has 90.9 percent of original size [2024-12-06 05:27:29,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 61 [2024-12-06 05:27:37,048 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:27:37,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-12-06 05:29:17,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.08s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:29:46,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:29:46,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 136 states and 263 transitions. [2024-12-06 05:29:46,738 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 263 transitions. [2024-12-06 05:29:46,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 05:29:46,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:29:46,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:29:46,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:29:46,740 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:29:46,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 05:29:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:29:46,948 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:29:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:29:46,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 05:29:46,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:29:46,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-06 05:29:47,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:29:47,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-12-06 05:29:47,048 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-12-06 05:29:47,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2024-12-06 05:30:06,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:30:06,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 136 states and 262 transitions. [2024-12-06 05:30:06,621 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 262 transitions. [2024-12-06 05:30:06,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 05:30:06,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:30:06,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:30:06,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:30:06,623 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:30:06,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 05:30:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:30:06,858 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:30:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:30:07,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 05:30:07,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:30:07,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2024-12-06 05:30:07,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2024-12-06 05:30:07,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-06 05:30:17,169 INFO L349 Elim1Store]: treesize reduction 3, result has 90.9 percent of original size [2024-12-06 05:30:17,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 61 [2024-12-06 05:30:19,953 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:30:19,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-06 05:31:04,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:31:04,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 139 states and 266 transitions. [2024-12-06 05:31:04,070 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 266 transitions. [2024-12-06 05:31:04,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 05:31:04,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:31:04,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:31:04,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:31:04,072 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:31:04,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 05:31:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:31:04,262 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:31:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:31:04,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:31:04,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:31:04,367 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-06 05:31:04,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-06 05:31:12,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:31:12,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 139 states and 264 transitions. [2024-12-06 05:31:12,151 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 264 transitions. [2024-12-06 05:31:12,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 05:31:12,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:31:12,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:31:12,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:31:12,153 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:31:12,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-06 05:31:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:31:12,539 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:31:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:31:12,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 05:31:12,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:31:12,802 INFO L349 Elim1Store]: treesize reduction 13, result has 43.5 percent of original size [2024-12-06 05:31:12,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 10 [2024-12-06 05:31:12,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2024-12-06 05:31:15,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 12 treesize of output 8 [2024-12-06 05:31:18,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-12-06 05:31:38,047 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:31:38,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 34 treesize of output 30 [2024-12-06 05:31:49,298 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:31:49,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cfa81b-53db-4cb5-ace2-f0778590d8e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0