./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f002fb5adc832f6023a0c06b1c5ecdb23a860b09113c230254f6be0919311eb2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:19:45,350 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:19:45,447 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-25 03:19:45,456 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:19:45,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:19:45,491 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:19:45,494 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:19:45,495 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:19:45,495 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:19:45,495 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:19:45,496 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:19:45,496 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:19:45,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:19:45,496 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 03:19:45,497 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 03:19:45,497 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 03:19:45,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:19:45,497 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:19:45,497 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:19:45,497 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:19:45,497 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:19:45,498 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:19:45,498 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:19:45,498 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:19:45,498 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:19:45,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:19:45,498 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:19:45,499 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:19:45,499 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:19:45,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:19:45,499 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_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f002fb5adc832f6023a0c06b1c5ecdb23a860b09113c230254f6be0919311eb2 [2024-11-25 03:19:45,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:19:45,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:19:45,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:19:45,861 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:19:45,862 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:19:45,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-1.i [2024-11-25 03:19:49,125 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/data/118b67564/d8842c6f1ddf4e859fa22b337c8e6511/FLAGad8c3c00b [2024-11-25 03:19:49,438 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:19:49,439 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-1.i [2024-11-25 03:19:49,454 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/data/118b67564/d8842c6f1ddf4e859fa22b337c8e6511/FLAGad8c3c00b [2024-11-25 03:19:49,469 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/data/118b67564/d8842c6f1ddf4e859fa22b337c8e6511 [2024-11-25 03:19:49,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:19:49,473 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:19:49,474 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:19:49,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:19:49,479 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:19:49,480 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:19:49" (1/1) ... [2024-11-25 03:19:49,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40390d6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:49, skipping insertion in model container [2024-11-25 03:19:49,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:19:49" (1/1) ... [2024-11-25 03:19:49,515 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:19:49,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:19:49,915 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:19:49,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:19:50,025 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:19:50,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50 WrapperNode [2024-11-25 03:19:50,026 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:19:50,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:19:50,027 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:19:50,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:19:50,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,074 INFO L138 Inliner]: procedures = 164, calls = 68, calls flagged for inlining = 29, calls inlined = 10, statements flattened = 60 [2024-11-25 03:19:50,075 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:19:50,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:19:50,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:19:50,076 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:19:50,083 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,098 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,098 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:19:50,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:19:50,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:19:50,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:19:50,114 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:19:50,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:19:50,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:19:50,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:19:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 03:19:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 03:19:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:19:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-25 03:19:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-25 03:19:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:19:50,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:19:50,312 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:19:50,314 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:19:50,578 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-11-25 03:19:50,578 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:19:50,633 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:19:50,634 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:19:50,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:19:50 BoogieIcfgContainer [2024-11-25 03:19:50,634 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:19:50,635 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:19:50,635 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:19:50,646 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:19:50,647 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:19:50" (1/1) ... [2024-11-25 03:19:50,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:19:50,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:50,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2024-11-25 03:19:50,714 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-25 03:19:50,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 03:19:50,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:50,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:19:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:51,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:19:51,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:51,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2024-11-25 03:19:51,210 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-11-25 03:19:51,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:19:51,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:51,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:19:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:51,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:19:51,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:51,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2024-11-25 03:19:51,553 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-11-25 03:19:51,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:19:51,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:51,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:19:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:51,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:19:52,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:52,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2024-11-25 03:19:52,297 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-25 03:19:52,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:19:52,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:52,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:19:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:52,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:19:53,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:53,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2024-11-25 03:19:53,152 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-11-25 03:19:53,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:19:53,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:53,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:19:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:53,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:19:55,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:55,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2024-11-25 03:19:55,342 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-11-25 03:19:55,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:19:55,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:55,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:19:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:55,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:19:56,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:56,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2024-11-25 03:19:56,690 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-11-25 03:19:56,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:19:56,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:56,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:19:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:56,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:19:57,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:57,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2024-11-25 03:19:57,249 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2024-11-25 03:19:57,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:19:57,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:57,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:19:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:57,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:19:59,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:59,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-11-25 03:19:59,890 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-25 03:19:59,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 03:19:59,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:59,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:19:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:59,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:19:59,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:59,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2024-11-25 03:19:59,939 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-25 03:19:59,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 03:19:59,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:59,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:19:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:00,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:20:00,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:00,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2024-11-25 03:20:00,935 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-11-25 03:20:00,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:20:00,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:00,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:01,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:20:01,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:01,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2024-11-25 03:20:01,681 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-11-25 03:20:01,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 03:20:01,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:01,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:01,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:20:03,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:03,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2024-11-25 03:20:03,207 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-11-25 03:20:03,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 03:20:03,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:03,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:03,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:20:04,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:04,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2024-11-25 03:20:04,372 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2024-11-25 03:20:04,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 03:20:04,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:04,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:04,867 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:20:05,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:05,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2024-11-25 03:20:05,914 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2024-11-25 03:20:05,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:20:05,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:05,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:06,491 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:20:08,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:08,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2024-11-25 03:20:08,071 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2024-11-25 03:20:08,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 03:20:08,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:08,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:08,546 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:20:09,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:09,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2024-11-25 03:20:09,584 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2024-11-25 03:20:09,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:20:09,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:09,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:10,121 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:20:11,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:11,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2024-11-25 03:20:11,119 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2024-11-25 03:20:11,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 03:20:11,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:11,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:11,680 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:20:12,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:12,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2024-11-25 03:20:12,829 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2024-11-25 03:20:12,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 03:20:12,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:12,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:14,049 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:20:15,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:15,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2024-11-25 03:20:15,828 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2024-11-25 03:20:15,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 03:20:15,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:15,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:15,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:16,554 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:20:18,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:18,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2024-11-25 03:20:18,431 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2024-11-25 03:20:18,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:20:18,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:18,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:19,047 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:20:20,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:20,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2024-11-25 03:20:20,208 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2024-11-25 03:20:20,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 03:20:20,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:20,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:20,838 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:20:21,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:21,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2024-11-25 03:20:21,984 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2024-11-25 03:20:21,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:20:21,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:21,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:23,169 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:20:24,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:24,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2024-11-25 03:20:24,865 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2024-11-25 03:20:24,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 03:20:24,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:24,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:25,623 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:20:27,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:27,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 31 states and 33 transitions. [2024-11-25 03:20:27,868 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2024-11-25 03:20:27,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 03:20:27,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:27,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:28,930 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:20:32,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:32,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 32 states and 33 transitions. [2024-11-25 03:20:32,079 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2024-11-25 03:20:32,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:20:32,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:32,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:32,827 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:20:34,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:34,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2024-11-25 03:20:34,094 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2024-11-25 03:20:34,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 03:20:34,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:34,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:37,718 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:20:41,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:41,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2024-11-25 03:20:41,700 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2024-11-25 03:20:41,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 03:20:41,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:41,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:20:41,738 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:20:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:20:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:20:46,261 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:20:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:20:53,279 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 28 iterations. [2024-11-25 03:20:53,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:20:53 ImpRootNode [2024-11-25 03:20:53,319 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:20:53,320 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:20:53,320 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:20:53,320 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:20:53,321 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:19:50" (3/4) ... [2024-11-25 03:20:53,323 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:20:53,323 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:20:53,324 INFO L158 Benchmark]: Toolchain (without parser) took 63851.39ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 90.8MB in the beginning and 115.9MB in the end (delta: -25.2MB). Peak memory consumption was 190.0MB. Max. memory is 16.1GB. [2024-11-25 03:20:53,325 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:20:53,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.83ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 68.8MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 03:20:53,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.98ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 66.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:20:53,326 INFO L158 Benchmark]: Boogie Preprocessor took 33.31ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 65.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:20:53,326 INFO L158 Benchmark]: RCFGBuilder took 525.13ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 48.5MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:20:53,327 INFO L158 Benchmark]: CodeCheck took 62684.03ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 48.5MB in the beginning and 116.0MB in the end (delta: -67.5MB). Peak memory consumption was 148.1MB. Max. memory is 16.1GB. [2024-11-25 03:20:53,327 INFO L158 Benchmark]: Witness Printer took 3.92ms. Allocated memory is still 327.2MB. Free memory was 116.0MB in the beginning and 115.9MB in the end (delta: 66.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:20:53,330 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, 24 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 62.6s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1353 SdHoareTripleChecker+Valid, 14.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1015 mSDsluCounter, 74 SdHoareTripleChecker+Invalid, 12.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 52 mSDsCounter, 2031 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5640 IncrementalHoareTripleChecker+Invalid, 7671 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2031 mSolverCounterUnsat, 22 mSDtfsCounter, 5640 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3511 GetRequests, 3053 SyntacticMatches, 122 SemanticMatches, 336 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50588 ImplicationChecksByTransitivity, 43.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 4.9s SatisfiabilityAnalysisTime, 16.1s InterpolantComputationTime, 459 NumberOfCodeBlocks, 459 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 402 ConstructedInterpolants, 0 QuantifiedInterpolants, 1953 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 12 PerfectInterpolantSequences, 0/680 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 761]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 761. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L762] CALL entry_point() [L758] struct ldv_kobject *kobj; [L759] CALL, EXPR ldv_kobject_create() [L740] struct ldv_kobject *kobj; [L741] CALL, EXPR ldv_malloc(sizeof(*kobj)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L741] RET, EXPR ldv_malloc(sizeof(*kobj)) [L741] kobj = ldv_malloc(sizeof(*kobj)) [L742] COND FALSE !(!kobj) [L744] FCALL memset(kobj, 0, sizeof(*kobj)) [L745] CALL ldv_kobject_init(kobj) [L730] COND FALSE !(!kobj) [L733] CALL ldv_kobject_init_internal(kobj) [L723] COND FALSE !(!kobj) [L725] CALL ldv_kref_init(&kobj->kref) [L682] ((&kref->refcount)->counter) = (1) [L725] RET ldv_kref_init(&kobj->kref) [L726] CALL LDV_INIT_LIST_HEAD(&kobj->entry) [L540] list->next = list VAL [ldv_global_msg_list={1:0}, list={29463:4}] [L541] list->prev = list [L726] RET LDV_INIT_LIST_HEAD(&kobj->entry) [L733] RET ldv_kobject_init_internal(kobj) [L745] RET ldv_kobject_init(kobj) [L746] return kobj; VAL [\result={29463:0}, ldv_global_msg_list={1:0}] [L759] RET, EXPR ldv_kobject_create() [L759] kobj = ldv_kobject_create() [L762] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 551.83ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 68.8MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.98ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 66.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.31ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 65.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 525.13ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 48.5MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 62684.03ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 48.5MB in the beginning and 116.0MB in the end (delta: -67.5MB). Peak memory consumption was 148.1MB. Max. memory is 16.1GB. * Witness Printer took 3.92ms. Allocated memory is still 327.2MB. Free memory was 116.0MB in the beginning and 115.9MB in the end (delta: 66.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:20:53,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f002fb5adc832f6023a0c06b1c5ecdb23a860b09113c230254f6be0919311eb2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:20:56,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:20:56,197 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-25 03:20:56,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:20:56,278 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:20:56,279 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:20:56,287 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:20:56,287 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:20:56,288 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:20:56,288 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:20:56,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:20:56,289 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 03:20:56,290 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 03:20:56,294 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 03:20:56,294 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:20:56,294 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:20:56,294 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:20:56,294 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:20:56,294 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:20:56,294 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:20:56,294 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:20:56,295 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:20:56,295 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:20:56,295 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:20:56,295 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:20:56,295 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:20:56,295 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:20:56,295 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:20:56,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:20:56,295 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:20:56,296 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:20:56,296 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:20:56,296 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:20:56,296 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:20:56,296 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_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f002fb5adc832f6023a0c06b1c5ecdb23a860b09113c230254f6be0919311eb2 [2024-11-25 03:20:56,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:20:56,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:20:56,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:20:56,635 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:20:56,635 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:20:56,639 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-1.i [2024-11-25 03:20:59,673 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/data/d2860306c/6402df4ecf124e9ca486f345663cb59c/FLAGda8ced3d6 [2024-11-25 03:21:00,037 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:21:00,037 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-1.i [2024-11-25 03:21:00,068 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/data/d2860306c/6402df4ecf124e9ca486f345663cb59c/FLAGda8ced3d6 [2024-11-25 03:21:00,090 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/data/d2860306c/6402df4ecf124e9ca486f345663cb59c [2024-11-25 03:21:00,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:21:00,096 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:21:00,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:21:00,100 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:21:00,106 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:21:00,108 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:21:00" (1/1) ... [2024-11-25 03:21:00,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3e686b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:00, skipping insertion in model container [2024-11-25 03:21:00,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:21:00" (1/1) ... [2024-11-25 03:21:00,165 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:21:00,585 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:21:00,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:21:00,683 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-25 03:21:00,696 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:21:00,749 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:21:00,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:21:00,799 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:21:00,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:21:00,928 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:21:00,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:00 WrapperNode [2024-11-25 03:21:00,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:21:00,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:21:00,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:21:00,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:21:00,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:00" (1/1) ... [2024-11-25 03:21:00,965 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:00" (1/1) ... [2024-11-25 03:21:00,993 INFO L138 Inliner]: procedures = 165, calls = 68, calls flagged for inlining = 29, calls inlined = 10, statements flattened = 60 [2024-11-25 03:21:00,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:21:00,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:21:00,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:21:00,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:21:01,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:00" (1/1) ... [2024-11-25 03:21:01,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:00" (1/1) ... [2024-11-25 03:21:01,008 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:00" (1/1) ... [2024-11-25 03:21:01,008 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:00" (1/1) ... [2024-11-25 03:21:01,016 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:00" (1/1) ... [2024-11-25 03:21:01,017 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:00" (1/1) ... [2024-11-25 03:21:01,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:00" (1/1) ... [2024-11-25 03:21:01,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:00" (1/1) ... [2024-11-25 03:21:01,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:00" (1/1) ... [2024-11-25 03:21:01,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:21:01,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:21:01,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:21:01,027 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:21:01,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:00" (1/1) ... [2024-11-25 03:21:01,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:21:01,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:21:01,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:21:01,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:21:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 03:21:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:21:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-25 03:21:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 03:21:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-25 03:21:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:21:01,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:21:01,275 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:21:01,277 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:21:01,592 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-11-25 03:21:01,592 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:21:01,685 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:21:01,688 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:21:01,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:21:01 BoogieIcfgContainer [2024-11-25 03:21:01,689 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:21:01,689 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:21:01,690 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:21:01,701 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:21:01,702 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:21:01" (1/1) ... [2024-11-25 03:21:01,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:21:01,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:01,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2024-11-25 03:21:01,770 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-25 03:21:01,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 03:21:01,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:01,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:01,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:01,775 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:01,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:21:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:01,911 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:01,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:21:01,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:02,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2024-11-25 03:21:02,188 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:21:02,191 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-25 03:21:02,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:21:02,353 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 03:21:02,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 03:21:02,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:02,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2024-11-25 03:21:02,485 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-11-25 03:21:02,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:21:02,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:02,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:02,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:02,489 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:02,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:21:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:02,601 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:02,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:21:02,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:02,726 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:21:02,727 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-25 03:21:02,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:21:02,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 03:21:03,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:03,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2024-11-25 03:21:03,342 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-11-25 03:21:03,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:21:03,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:03,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:03,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:03,347 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:03,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 03:21:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:03,452 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:03,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 03:21:03,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:03,522 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:21:03,523 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-25 03:21:03,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-25 03:21:03,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-25 03:21:03,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:21:03,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 03:21:04,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:04,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2024-11-25 03:21:04,715 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-25 03:21:04,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:21:04,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:04,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:04,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:04,718 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:04,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 03:21:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:04,824 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:04,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:04,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 03:21:04,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:05,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:21:05,174 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 03:21:05,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 03:21:06,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:06,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2024-11-25 03:21:06,471 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-11-25 03:21:06,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:21:06,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:06,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:06,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:06,474 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:06,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 03:21:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:06,574 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:06,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 03:21:06,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:06,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:21:06,768 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 03:21:06,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 03:21:07,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:07,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2024-11-25 03:21:07,247 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-25 03:21:07,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:21:07,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:07,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:07,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:07,252 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:07,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 03:21:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:07,383 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:07,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:21:07,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:07,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:21:07,533 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 03:21:07,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 03:21:08,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:08,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2024-11-25 03:21:08,033 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-11-25 03:21:08,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 03:21:08,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:08,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:08,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:08,037 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:08,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 03:21:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:08,184 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:08,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:21:08,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:08,353 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:21:08,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 03:21:08,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:08,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2024-11-25 03:21:08,868 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2024-11-25 03:21:08,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:21:08,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:08,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:08,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:08,871 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:08,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 03:21:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:09,025 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:09,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 03:21:09,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:09,219 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:21:09,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-25 03:21:09,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:09,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2024-11-25 03:21:09,845 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2024-11-25 03:21:09,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 03:21:09,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:09,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:09,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:09,849 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:09,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 03:21:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:10,010 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:10,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 03:21:10,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:10,216 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:21:10,220 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 03:21:10,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 03:21:10,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:10,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2024-11-25 03:21:10,829 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2024-11-25 03:21:10,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:21:10,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:10,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:10,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:10,832 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:10,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 03:21:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:10,994 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:11,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:21:11,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:11,186 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:21:11,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 03:21:11,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:11,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2024-11-25 03:21:11,801 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2024-11-25 03:21:11,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 03:21:11,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:11,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:11,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:11,805 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:11,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 03:21:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:11,997 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:12,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:21:12,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:12,200 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:21:12,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-25 03:21:12,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:12,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2024-11-25 03:21:12,899 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2024-11-25 03:21:12,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 03:21:12,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:12,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:12,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:12,901 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:12,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 03:21:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:13,109 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:13,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 03:21:13,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:13,351 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:21:13,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 03:21:14,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:14,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 31 states and 34 transitions. [2024-11-25 03:21:14,099 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2024-11-25 03:21:14,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 03:21:14,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:14,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:14,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:14,102 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:14,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 03:21:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:14,296 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:14,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:21:14,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:14,545 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:21:14,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 03:21:15,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:15,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 32 states and 35 transitions. [2024-11-25 03:21:15,254 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2024-11-25 03:21:15,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:21:15,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:15,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:15,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:15,257 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:15,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 03:21:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:15,491 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:15,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 03:21:15,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:15,864 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:21:15,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-25 03:21:16,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:16,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 33 states and 36 transitions. [2024-11-25 03:21:16,672 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2024-11-25 03:21:16,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 03:21:16,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:16,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:16,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:16,676 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:16,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 03:21:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:16,932 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:16,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-25 03:21:16,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:17,203 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:21:17,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-25 03:21:18,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:18,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 34 states and 37 transitions. [2024-11-25 03:21:18,015 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2024-11-25 03:21:18,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:21:18,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:18,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:18,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:18,022 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:18,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 03:21:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:18,284 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:18,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 03:21:18,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:18,547 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:21:18,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-25 03:21:19,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:19,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 35 states and 38 transitions. [2024-11-25 03:21:19,461 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2024-11-25 03:21:19,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 03:21:19,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:19,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:19,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:19,464 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:19,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 03:21:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:19,730 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:19,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 03:21:19,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:20,010 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:21:20,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-25 03:21:21,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:21,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 36 states and 39 transitions. [2024-11-25 03:21:21,055 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2024-11-25 03:21:21,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 03:21:21,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:21,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:21,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:21,057 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:21,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 03:21:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:21,337 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:21,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 03:21:21,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:21,718 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:21:21,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-25 03:21:22,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:22,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 37 states and 40 transitions. [2024-11-25 03:21:22,850 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2024-11-25 03:21:22,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 03:21:22,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:22,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:22,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:22,854 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:22,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 03:21:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:23,162 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:23,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 03:21:23,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:23,526 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:21:23,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-25 03:21:24,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:24,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 38 states and 41 transitions. [2024-11-25 03:21:24,659 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2024-11-25 03:21:24,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:21:24,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:24,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:24,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:24,666 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:24,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 03:21:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:24,990 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:25,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:21:25,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:25,345 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:21:25,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-25 03:21:26,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:26,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 39 states and 42 transitions. [2024-11-25 03:21:26,631 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2024-11-25 03:21:26,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 03:21:26,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:26,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:26,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:26,635 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:26,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 03:21:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:27,063 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:27,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 03:21:27,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:29,217 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-25 03:21:29,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-25 03:21:58,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:58,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 38 states and 41 transitions. [2024-11-25 03:21:58,811 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2024-11-25 03:21:58,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:21:58,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:58,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:58,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:58,814 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:58,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 03:21:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:59,184 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:59,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:21:59,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:22:00,156 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-25 03:22:00,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-25 03:22:25,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:22:25,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 38 states and 40 transitions. [2024-11-25 03:22:25,962 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2024-11-25 03:22:25,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:22:25,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:22:25,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:22:25,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:22:25,969 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:22:25,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-25 03:22:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:26,379 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:22:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:26,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 03:22:26,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:22:27,100 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-25 03:22:27,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-25 03:22:30,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:22:30,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 37 states and 39 transitions. [2024-11-25 03:22:30,492 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2024-11-25 03:22:30,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:22:30,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:22:30,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:22:30,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:22:30,497 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:22:30,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-25 03:22:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:30,994 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:22:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:31,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-25 03:22:31,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:22:37,956 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 03:22:37,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-25 03:22:51,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:22:51,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 36 states and 38 transitions. [2024-11-25 03:22:51,538 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2024-11-25 03:22:51,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 03:22:51,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:22:51,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:22:51,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:22:51,543 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:22:51,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-25 03:22:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:51,933 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:22:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:52,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:22:52,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:22:52,050 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-25 03:22:52,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-25 03:22:52,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:22:52,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 35 states and 37 transitions. [2024-11-25 03:22:52,085 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2024-11-25 03:22:52,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 03:22:52,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:22:52,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:22:52,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:22:52,087 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:22:52,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-25 03:22:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:52,639 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:22:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:52,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 03:22:52,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:22:52,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-25 03:22:52,764 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:22:52,765 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-25 03:22:52,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-25 03:22:55,621 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-25 03:22:55,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-25 03:23:44,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:23:44,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 34 states and 35 transitions. [2024-11-25 03:23:44,969 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2024-11-25 03:23:44,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 03:23:44,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:23:44,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:23:44,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:23:44,971 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:23:44,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-25 03:23:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:23:48,764 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:23:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:24:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:24:02,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-25 03:24:02,449 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) 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) [2024-11-25 03:24:02,453 INFO L158 Benchmark]: Toolchain (without parser) took 182357.60ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 91.8MB in the beginning and 107.0MB in the end (delta: -15.1MB). Peak memory consumption was 111.7MB. Max. memory is 16.1GB. [2024-11-25 03:24:02,453 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:24:02,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 830.60ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 63.5MB in the end (delta: 28.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 03:24:02,455 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.06ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 61.5MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:24:02,456 INFO L158 Benchmark]: Boogie Preprocessor took 32.05ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 60.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:24:02,457 INFO L158 Benchmark]: RCFGBuilder took 662.29ms. Allocated memory is still 117.4MB. Free memory was 60.0MB in the beginning and 83.9MB in the end (delta: -23.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-25 03:24:02,457 INFO L158 Benchmark]: CodeCheck took 180762.93ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 83.9MB in the beginning and 107.0MB in the end (delta: -23.1MB). Peak memory consumption was 107.5MB. Max. memory is 16.1GB. [2024-11-25 03:24:02,460 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 830.60ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 63.5MB in the end (delta: 28.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.06ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 61.5MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.05ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 60.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 662.29ms. Allocated memory is still 117.4MB. Free memory was 60.0MB in the beginning and 83.9MB in the end (delta: -23.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 180762.93ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 83.9MB in the beginning and 107.0MB in the end (delta: -23.1MB). Peak memory consumption was 107.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:24:02,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761b190f-7995-4322-8ac6-8ccf71465bb9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown