./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b2d3240eb68fa1b9c7110ab5a4d2b15ab10d80ad2f92d88b4fa8dd13db15a180 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:56:45,772 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:56:45,829 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 00:56:45,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:56:45,834 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:56:45,853 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:56:45,854 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:56:45,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:56:45,854 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:56:45,854 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:56:45,855 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:56:45,855 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:56:45,855 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:56:45,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:56:45,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:56:45,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:56:45,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:56:45,855 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:56:45,855 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:56:45,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:56:45,855 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:56:45,856 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:56:45,857 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:56:45,857 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:56:45,857 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:56:45,857 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:56:45,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:56:45,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:56:45,858 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:56:45,858 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:56:45,858 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:56:45,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:56:45,858 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_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2d3240eb68fa1b9c7110ab5a4d2b15ab10d80ad2f92d88b4fa8dd13db15a180 [2024-12-06 00:56:46,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:56:46,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:56:46,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:56:46,071 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:56:46,072 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:56:46,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-1.i [2024-12-06 00:56:48,699 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/data/4e699070f/c38fc3ce2231473bb682095f67349e02/FLAG60289e48a [2024-12-06 00:56:49,010 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:56:49,011 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-1.i [2024-12-06 00:56:49,029 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/data/4e699070f/c38fc3ce2231473bb682095f67349e02/FLAG60289e48a [2024-12-06 00:56:49,042 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/data/4e699070f/c38fc3ce2231473bb682095f67349e02 [2024-12-06 00:56:49,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:56:49,045 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:56:49,046 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:56:49,046 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:56:49,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:56:49,050 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:56:49" (1/1) ... [2024-12-06 00:56:49,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76ae3e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:49, skipping insertion in model container [2024-12-06 00:56:49,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:56:49" (1/1) ... [2024-12-06 00:56:49,087 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:56:49,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:56:49,995 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:56:50,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:56:50,244 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2024-12-06 00:56:50,250 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:56:50,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:50 WrapperNode [2024-12-06 00:56:50,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:56:50,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:56:50,252 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:56:50,252 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:56:50,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:50" (1/1) ... [2024-12-06 00:56:50,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:50" (1/1) ... [2024-12-06 00:56:50,332 INFO L138 Inliner]: procedures = 613, calls = 509, calls flagged for inlining = 19, calls inlined = 17, statements flattened = 827 [2024-12-06 00:56:50,332 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:56:50,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:56:50,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:56:50,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:56:50,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:50" (1/1) ... [2024-12-06 00:56:50,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:50" (1/1) ... [2024-12-06 00:56:50,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:50" (1/1) ... [2024-12-06 00:56:50,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:50" (1/1) ... [2024-12-06 00:56:50,379 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:50" (1/1) ... [2024-12-06 00:56:50,382 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:50" (1/1) ... [2024-12-06 00:56:50,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:50" (1/1) ... [2024-12-06 00:56:50,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:50" (1/1) ... [2024-12-06 00:56:50,396 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:50" (1/1) ... [2024-12-06 00:56:50,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:56:50,405 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:56:50,405 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:56:50,406 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:56:50,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:50" (1/1) ... [2024-12-06 00:56:50,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:56:50,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:56:50,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:56:50,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:56:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:56:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-12-06 00:56:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-12-06 00:56:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 00:56:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 00:56:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:56:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 00:56:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:56:50,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:56:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-12-06 00:56:50,465 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-12-06 00:56:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-12-06 00:56:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-12-06 00:56:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:56:50,466 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:56:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 00:56:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 00:56:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_all [2024-12-06 00:56:50,466 INFO L138 BoogieDeclarations]: Found implementation of procedure fflush_all [2024-12-06 00:56:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 00:56:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 00:56:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:56:50,757 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:56:50,759 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:56:51,471 INFO L? ?]: Removed 249 outVars from TransFormulas that were not future-live. [2024-12-06 00:56:51,471 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:56:51,670 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:56:51,670 INFO L312 CfgBuilder]: Removed 9 assume(true) statements. [2024-12-06 00:56:51,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:56:51 BoogieIcfgContainer [2024-12-06 00:56:51,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:56:51,671 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:56:51,671 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:56:51,682 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:56:51,682 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:56:51" (1/1) ... [2024-12-06 00:56:51,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:56:51,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:51,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 128 states and 152 transitions. [2024-12-06 00:56:51,741 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 152 transitions. [2024-12-06 00:56:51,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 00:56:51,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:51,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:52,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:56:52,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:52,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 130 states and 155 transitions. [2024-12-06 00:56:52,373 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 155 transitions. [2024-12-06 00:56:52,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:56:52,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:52,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:52,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:56:52,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:52,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 131 states and 156 transitions. [2024-12-06 00:56:52,690 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 156 transitions. [2024-12-06 00:56:52,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:56:52,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:52,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:52,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:56:52,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:52,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 133 states and 159 transitions. [2024-12-06 00:56:52,995 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 159 transitions. [2024-12-06 00:56:52,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:56:52,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:52,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:53,191 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:56:53,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:53,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 132 states and 158 transitions. [2024-12-06 00:56:53,265 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 158 transitions. [2024-12-06 00:56:53,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:56:53,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:53,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:53,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:56:53,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:53,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 133 states and 159 transitions. [2024-12-06 00:56:53,603 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 159 transitions. [2024-12-06 00:56:53,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:56:53,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:53,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:53,832 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 00:56:53,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:53,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 132 states and 158 transitions. [2024-12-06 00:56:53,954 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 158 transitions. [2024-12-06 00:56:53,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:56:53,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:53,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:54,110 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:56:54,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:54,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 131 states and 157 transitions. [2024-12-06 00:56:54,145 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 157 transitions. [2024-12-06 00:56:54,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:56:54,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:54,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:54,411 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:56:54,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:54,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 134 states and 160 transitions. [2024-12-06 00:56:54,605 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 160 transitions. [2024-12-06 00:56:54,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:56:54,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:54,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:54,896 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:56:55,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:55,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 137 states and 163 transitions. [2024-12-06 00:56:55,048 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 163 transitions. [2024-12-06 00:56:55,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:56:55,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:55,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:55,342 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:56:55,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:55,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 140 states and 166 transitions. [2024-12-06 00:56:55,500 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 166 transitions. [2024-12-06 00:56:55,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:56:55,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:55,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:55,794 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:56:55,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:55,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 143 states and 169 transitions. [2024-12-06 00:56:55,967 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 169 transitions. [2024-12-06 00:56:55,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:56:55,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:55,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:56,279 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:56:56,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:56,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 146 states and 172 transitions. [2024-12-06 00:56:56,467 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2024-12-06 00:56:56,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 00:56:56,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:56,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:56,808 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:56:57,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:57,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 149 states and 175 transitions. [2024-12-06 00:56:57,002 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 175 transitions. [2024-12-06 00:56:57,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 00:56:57,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:57,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:57,335 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:56:57,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:57,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 152 states and 178 transitions. [2024-12-06 00:56:57,535 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 178 transitions. [2024-12-06 00:56:57,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 00:56:57,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:57,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:57,825 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:56:57,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:57,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 155 states and 180 transitions. [2024-12-06 00:56:57,960 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 180 transitions. [2024-12-06 00:56:57,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 00:56:57,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:57,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:58,362 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:56:58,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:58,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 154 states and 179 transitions. [2024-12-06 00:56:58,537 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 179 transitions. [2024-12-06 00:56:58,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 00:56:58,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:58,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:58,727 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:56:58,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:58,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 153 states and 178 transitions. [2024-12-06 00:56:58,746 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 178 transitions. [2024-12-06 00:56:58,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 00:56:58,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:58,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:58,942 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:56:59,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:59,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 152 states and 177 transitions. [2024-12-06 00:56:59,057 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 177 transitions. [2024-12-06 00:56:59,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 00:56:59,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:59,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:59,286 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:56:59,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:59,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 154 states and 180 transitions. [2024-12-06 00:56:59,379 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 180 transitions. [2024-12-06 00:56:59,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:56:59,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:59,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:59,579 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:56:59,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:59,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 155 states and 181 transitions. [2024-12-06 00:56:59,595 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 181 transitions. [2024-12-06 00:56:59,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:56:59,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:59,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:00,110 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:57:00,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:00,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 81 transitions. [2024-12-06 00:57:00,377 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2024-12-06 00:57:00,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 00:57:00,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:00,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:00,649 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:57:00,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:00,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 75 states and 84 transitions. [2024-12-06 00:57:00,772 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2024-12-06 00:57:00,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 00:57:00,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:00,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:00,993 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-12-06 00:57:01,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:01,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 80 states and 93 transitions. [2024-12-06 00:57:01,330 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2024-12-06 00:57:01,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 00:57:01,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:01,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:01,533 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-12-06 00:57:01,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:01,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 79 states and 92 transitions. [2024-12-06 00:57:01,733 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2024-12-06 00:57:01,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 00:57:01,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:01,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:01,968 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-12-06 00:57:01,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:01,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 80 states and 93 transitions. [2024-12-06 00:57:01,995 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2024-12-06 00:57:01,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 00:57:01,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:01,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:02,222 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-12-06 00:57:02,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:02,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 82 states and 96 transitions. [2024-12-06 00:57:02,576 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 96 transitions. [2024-12-06 00:57:02,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 00:57:02,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:02,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:02,857 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-12-06 00:57:03,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:03,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 84 states and 100 transitions. [2024-12-06 00:57:03,238 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 100 transitions. [2024-12-06 00:57:03,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 00:57:03,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:03,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:03,513 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:57:03,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:03,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 85 states and 101 transitions. [2024-12-06 00:57:03,742 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 101 transitions. [2024-12-06 00:57:03,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 00:57:03,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:03,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:03,925 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-12-06 00:57:04,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:04,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 87 states and 102 transitions. [2024-12-06 00:57:04,082 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 102 transitions. [2024-12-06 00:57:04,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 00:57:04,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:04,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:04,308 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:57:04,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:04,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 90 states and 105 transitions. [2024-12-06 00:57:04,755 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2024-12-06 00:57:04,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-06 00:57:04,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:04,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:04,971 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:57:05,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:05,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 93 states and 108 transitions. [2024-12-06 00:57:05,301 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 108 transitions. [2024-12-06 00:57:05,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-06 00:57:05,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:05,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:05,588 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:57:05,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:05,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 96 states and 111 transitions. [2024-12-06 00:57:05,956 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2024-12-06 00:57:05,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-06 00:57:05,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:05,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:06,295 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:57:06,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:06,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 99 states and 114 transitions. [2024-12-06 00:57:06,692 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2024-12-06 00:57:06,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:57:06,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:06,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:07,053 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 1 proven. 51 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:57:07,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:07,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 102 states and 117 transitions. [2024-12-06 00:57:07,460 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 117 transitions. [2024-12-06 00:57:07,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-12-06 00:57:07,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:07,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:07,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:07,790 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 1 proven. 70 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:57:08,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:08,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 105 states and 120 transitions. [2024-12-06 00:57:08,218 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 120 transitions. [2024-12-06 00:57:08,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-06 00:57:08,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:08,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:08,557 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 1 proven. 92 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:57:08,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:08,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 108 states and 123 transitions. [2024-12-06 00:57:08,995 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 123 transitions. [2024-12-06 00:57:08,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-06 00:57:08,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:08,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:09,287 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 1 proven. 117 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:57:09,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:09,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 111 states and 125 transitions. [2024-12-06 00:57:09,564 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 125 transitions. [2024-12-06 00:57:09,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-06 00:57:09,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:09,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:57:10,025 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:57:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:57:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:57:21,091 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) [2024-12-06 00:57:21,095 INFO L158 Benchmark]: Toolchain (without parser) took 32049.33ms. Allocated memory was 142.6MB in the beginning and 687.9MB in the end (delta: 545.3MB). Free memory was 113.9MB in the beginning and 278.5MB in the end (delta: -164.7MB). Peak memory consumption was 383.9MB. Max. memory is 16.1GB. [2024-12-06 00:57:21,095 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:57:21,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1205.00ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 84.1MB in the end (delta: 29.4MB). Peak memory consumption was 71.4MB. Max. memory is 16.1GB. [2024-12-06 00:57:21,095 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.38ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 76.4MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:57:21,096 INFO L158 Benchmark]: Boogie Preprocessor took 71.65ms. Allocated memory is still 142.6MB. Free memory was 76.4MB in the beginning and 69.2MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:57:21,096 INFO L158 Benchmark]: RCFGBuilder took 1265.52ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 69.2MB in the beginning and 238.5MB in the end (delta: -169.3MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-12-06 00:57:21,096 INFO L158 Benchmark]: CodeCheck took 29422.67ms. Allocated memory was 318.8MB in the beginning and 687.9MB in the end (delta: 369.1MB). Free memory was 238.5MB in the beginning and 278.5MB in the end (delta: -40.1MB). Peak memory consumption was 325.9MB. Max. memory is 16.1GB. [2024-12-06 00:57:21,098 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 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1205.00ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 84.1MB in the end (delta: 29.4MB). Peak memory consumption was 71.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.38ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 76.4MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.65ms. Allocated memory is still 142.6MB. Free memory was 76.4MB in the beginning and 69.2MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1265.52ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 69.2MB in the beginning and 238.5MB in the end (delta: -169.3MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * CodeCheck took 29422.67ms. Allocated memory was 318.8MB in the beginning and 687.9MB in the end (delta: 369.1MB). Free memory was 238.5MB in the beginning and 278.5MB in the end (delta: -40.1MB). Peak memory consumption was 325.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:57:21,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b2d3240eb68fa1b9c7110ab5a4d2b15ab10d80ad2f92d88b4fa8dd13db15a180 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:57:23,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:57:23,114 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 00:57:23,139 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:57:23,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:57:23,140 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:57:23,140 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:57:23,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:57:23,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:57:23,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:57:23,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:57:23,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:57:23,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:57:23,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:57:23,141 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:57:23,141 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:57:23,141 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:57:23,141 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:57:23,141 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:57:23,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:57:23,142 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:57:23,142 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:57:23,142 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:57:23,142 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:57:23,142 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:57:23,143 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:23,143 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:57:23,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:57:23,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:57:23,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:57:23,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:57:23,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:57:23,143 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:57:23,143 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:23,144 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:57:23,144 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_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2d3240eb68fa1b9c7110ab5a4d2b15ab10d80ad2f92d88b4fa8dd13db15a180 [2024-12-06 00:57:23,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:57:23,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:57:23,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:57:23,386 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:57:23,387 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:57:23,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-1.i [2024-12-06 00:57:26,101 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/data/284c17ffc/92bf63c729e34441953265f5e86a26a3/FLAG55299c0fa [2024-12-06 00:57:26,395 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:57:26,395 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-1.i [2024-12-06 00:57:26,414 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/data/284c17ffc/92bf63c729e34441953265f5e86a26a3/FLAG55299c0fa [2024-12-06 00:57:26,429 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/data/284c17ffc/92bf63c729e34441953265f5e86a26a3 [2024-12-06 00:57:26,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:57:26,433 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:57:26,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:57:26,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:57:26,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:57:26,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:57:26" (1/1) ... [2024-12-06 00:57:26,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5694c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:26, skipping insertion in model container [2024-12-06 00:57:26,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:57:26" (1/1) ... [2024-12-06 00:57:26,481 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:57:27,332 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:57:27,335 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:57:27,338 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:57:27,339 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:57:27,342 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:57:27,342 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:57:27,343 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:57:27,343 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:57:27,345 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:57:27,347 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:57:27,349 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:57:27,355 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:57:27,355 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:57:27,362 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:57:27,364 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:57:27,373 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:57:27,384 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:57:27,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:57:27,428 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:57:27,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:57:27,669 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2024-12-06 00:57:27,677 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:57:27,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:27 WrapperNode [2024-12-06 00:57:27,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:57:27,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:57:27,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:57:27,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:57:27,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:27" (1/1) ... [2024-12-06 00:57:27,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:27" (1/1) ... [2024-12-06 00:57:27,765 INFO L138 Inliner]: procedures = 624, calls = 509, calls flagged for inlining = 19, calls inlined = 17, statements flattened = 807 [2024-12-06 00:57:27,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:57:27,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:57:27,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:57:27,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:57:27,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:27" (1/1) ... [2024-12-06 00:57:27,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:27" (1/1) ... [2024-12-06 00:57:27,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:27" (1/1) ... [2024-12-06 00:57:27,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:27" (1/1) ... [2024-12-06 00:57:27,818 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:27" (1/1) ... [2024-12-06 00:57:27,821 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:27" (1/1) ... [2024-12-06 00:57:27,826 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:27" (1/1) ... [2024-12-06 00:57:27,850 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:27" (1/1) ... [2024-12-06 00:57:27,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:27" (1/1) ... [2024-12-06 00:57:27,877 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:57:27,880 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:57:27,881 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:57:27,881 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:57:27,884 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:57:27" (1/1) ... [2024-12-06 00:57:27,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:57:27,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:57:27,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:57:27,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:57:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:57:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-12-06 00:57:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:57:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-06 00:57:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 00:57:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:57:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 00:57:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2024-12-06 00:57:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2024-12-06 00:57:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2024-12-06 00:57:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:57:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:57:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-12-06 00:57:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-12-06 00:57:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-12-06 00:57:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 00:57:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-12-06 00:57:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-12-06 00:57:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:57:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:57:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 00:57:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 00:57:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_all [2024-12-06 00:57:27,962 INFO L138 BoogieDeclarations]: Found implementation of procedure fflush_all [2024-12-06 00:57:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-12-06 00:57:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 00:57:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 00:57:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-12-06 00:57:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2024-12-06 00:57:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-12-06 00:57:28,292 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:57:28,294 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:57:30,111 INFO L? ?]: Removed 237 outVars from TransFormulas that were not future-live. [2024-12-06 00:57:30,112 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:57:30,288 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:57:30,288 INFO L312 CfgBuilder]: Removed 9 assume(true) statements. [2024-12-06 00:57:30,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:57:30 BoogieIcfgContainer [2024-12-06 00:57:30,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:57:30,290 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:57:30,290 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:57:30,299 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:57:30,299 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:57:30" (1/1) ... [2024-12-06 00:57:30,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:57:30,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:30,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 128 states and 152 transitions. [2024-12-06 00:57:30,353 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 152 transitions. [2024-12-06 00:57:30,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 00:57:30,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:30,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:30,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:57:30,360 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:57:30,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:57:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:30,736 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:57:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:31,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 00:57:31,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:31,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:57:31,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:57:32,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:32,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 127 states and 151 transitions. [2024-12-06 00:57:32,310 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 151 transitions. [2024-12-06 00:57:32,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:57:32,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:32,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:32,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:57:32,313 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:57:32,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:57:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:33,350 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:57:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:33,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:57:33,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:33,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:57:33,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:57:34,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:34,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 130 states and 155 transitions. [2024-12-06 00:57:34,912 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 155 transitions. [2024-12-06 00:57:34,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:57:34,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:34,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:34,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:57:34,915 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:57:34,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:57:35,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:35,835 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:57:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:36,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:57:36,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:36,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:57:36,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 00:57:36,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:36,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 133 states and 158 transitions. [2024-12-06 00:57:36,531 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 158 transitions. [2024-12-06 00:57:36,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:57:36,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:36,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:36,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:57:36,534 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:57:36,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 00:57:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:37,427 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:57:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:37,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:57:37,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:37,960 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:57:37,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 00:57:38,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:38,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 136 states and 161 transitions. [2024-12-06 00:57:38,209 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 161 transitions. [2024-12-06 00:57:38,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:57:38,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:38,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:38,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:57:38,211 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:57:38,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 00:57:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:39,043 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:57:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:39,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:57:39,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:39,694 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:57:39,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 00:57:39,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:39,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 139 states and 164 transitions. [2024-12-06 00:57:39,989 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2024-12-06 00:57:39,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:57:39,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:39,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:39,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:57:39,991 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:57:39,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 00:57:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:40,861 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:57:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:41,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 00:57:41,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:41,488 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:57:41,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 00:57:41,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:41,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 142 states and 167 transitions. [2024-12-06 00:57:41,838 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2024-12-06 00:57:41,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:57:41,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:41,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:41,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:57:41,840 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:57:41,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 00:57:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:42,707 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:57:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:43,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 00:57:43,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:43,476 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:57:43,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 00:57:43,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:43,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 145 states and 170 transitions. [2024-12-06 00:57:43,891 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2024-12-06 00:57:43,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:57:43,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:43,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:43,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:57:43,894 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:57:43,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 00:57:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:44,790 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:57:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:45,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 00:57:45,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:45,492 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:57:45,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 00:57:45,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:45,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 148 states and 173 transitions. [2024-12-06 00:57:45,936 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 173 transitions. [2024-12-06 00:57:45,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:57:45,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:45,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:45,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:57:45,939 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:57:45,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 00:57:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:46,854 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:57:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:47,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 00:57:47,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:47,683 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:57:47,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 00:57:48,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:48,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 151 states and 176 transitions. [2024-12-06 00:57:48,189 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 176 transitions. [2024-12-06 00:57:48,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 00:57:48,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:48,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:48,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:57:48,191 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:57:48,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 00:57:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:49,148 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:57:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:49,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:57:49,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:49,940 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:57:49,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 00:57:50,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:50,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 154 states and 179 transitions. [2024-12-06 00:57:50,527 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 179 transitions. [2024-12-06 00:57:50,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 00:57:50,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:50,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:50,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:57:50,530 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:57:50,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 00:57:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:51,490 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:57:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:52,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:57:52,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:52,428 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:57:52,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 00:57:53,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:53,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 157 states and 182 transitions. [2024-12-06 00:57:53,059 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 182 transitions. [2024-12-06 00:57:53,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 00:57:53,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:53,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:53,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:57:53,061 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:57:53,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 00:57:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:54,058 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:57:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:54,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:57:54,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:54,994 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:57:55,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 00:57:55,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:55,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 154 states and 177 transitions. [2024-12-06 00:57:55,724 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 177 transitions. [2024-12-06 00:57:55,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 00:57:55,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:55,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:55,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:57:55,727 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:57:55,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 00:57:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:56,088 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:57:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:56,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 00:57:56,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:56,547 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:57:56,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 00:57:56,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:56,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 153 states and 176 transitions. [2024-12-06 00:57:56,560 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 176 transitions. [2024-12-06 00:57:56,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 00:57:56,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:56,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:56,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:57:56,562 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:57:56,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 00:57:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:57,755 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:57:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:58,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:57:58,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:58,660 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:57:58,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 00:57:59,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:59,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 152 states and 175 transitions. [2024-12-06 00:57:59,145 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 175 transitions. [2024-12-06 00:57:59,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 00:57:59,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:59,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:59,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:57:59,147 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:57:59,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 00:57:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:59,604 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:00,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 00:58:00,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:00,101 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:58:00,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 00:58:00,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:00,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 151 states and 174 transitions. [2024-12-06 00:58:00,111 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 174 transitions. [2024-12-06 00:58:00,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 00:58:00,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:00,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:00,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:00,113 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:00,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 00:58:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:00,571 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:01,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:58:01,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:01,244 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:58:01,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 00:58:01,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:01,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 150 states and 173 transitions. [2024-12-06 00:58:01,547 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 173 transitions. [2024-12-06 00:58:01,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 00:58:01,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:01,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:01,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:01,549 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:01,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 00:58:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:02,046 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:02,566 INFO L256 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 00:58:02,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:02,569 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:58:02,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 00:58:03,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:03,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 149 states and 172 transitions. [2024-12-06 00:58:03,262 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 172 transitions. [2024-12-06 00:58:03,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 00:58:03,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:03,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:03,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:03,265 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:03,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 00:58:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:03,745 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:04,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 00:58:04,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:04,296 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:58:04,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 00:58:04,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:04,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 148 states and 171 transitions. [2024-12-06 00:58:04,308 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 171 transitions. [2024-12-06 00:58:04,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:58:04,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:04,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:04,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:04,311 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:04,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 00:58:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:05,863 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:06,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:58:06,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:06,782 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:58:06,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 00:58:08,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:08,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 66 states and 71 transitions. [2024-12-06 00:58:08,365 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2024-12-06 00:58:08,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:58:08,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:08,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:08,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:08,367 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:08,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 00:58:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:09,529 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:10,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:58:10,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:10,344 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:58:10,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 00:58:10,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:10,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 75 transitions. [2024-12-06 00:58:10,808 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 75 transitions. [2024-12-06 00:58:10,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 00:58:10,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:10,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:10,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:10,810 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:10,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 00:58:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:12,063 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:12,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:58:12,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:13,003 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:58:13,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 00:58:13,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:13,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 72 states and 78 transitions. [2024-12-06 00:58:13,769 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 78 transitions. [2024-12-06 00:58:13,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 00:58:13,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:13,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:13,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:13,772 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:13,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 00:58:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:15,043 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:15,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:58:15,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:15,949 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:58:15,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 00:58:16,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:16,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 75 states and 81 transitions. [2024-12-06 00:58:16,866 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 81 transitions. [2024-12-06 00:58:16,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 00:58:16,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:16,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:16,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:16,868 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:16,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 00:58:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:18,135 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:18,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:58:18,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:19,087 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:58:19,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 00:58:20,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:20,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 78 states and 84 transitions. [2024-12-06 00:58:20,000 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 84 transitions. [2024-12-06 00:58:20,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 00:58:20,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:20,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:20,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:20,002 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:20,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 00:58:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:21,361 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:21,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 00:58:21,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:22,245 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:58:22,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 00:58:23,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:23,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 81 states and 87 transitions. [2024-12-06 00:58:23,249 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2024-12-06 00:58:23,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-06 00:58:23,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:23,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:23,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:23,252 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:23,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 00:58:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:24,663 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:25,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 00:58:25,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:25,643 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:58:25,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 00:58:26,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:26,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 84 states and 90 transitions. [2024-12-06 00:58:26,699 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 90 transitions. [2024-12-06 00:58:26,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 00:58:26,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:26,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:26,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:26,702 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:26,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 00:58:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:28,050 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:28,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 00:58:28,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:28,965 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:58:28,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 00:58:30,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:30,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 87 states and 93 transitions. [2024-12-06 00:58:30,097 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 93 transitions. [2024-12-06 00:58:30,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-06 00:58:30,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:30,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:30,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:30,099 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:30,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 00:58:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:31,474 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:32,047 INFO L256 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 00:58:32,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:32,646 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:58:32,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 00:58:33,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:33,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 90 states and 96 transitions. [2024-12-06 00:58:33,907 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2024-12-06 00:58:33,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-06 00:58:33,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:33,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:33,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:33,909 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:33,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 00:58:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:35,270 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:35,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 803 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:58:35,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:36,316 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:58:36,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 00:58:37,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:37,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 93 states and 99 transitions. [2024-12-06 00:58:37,585 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 99 transitions. [2024-12-06 00:58:37,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-12-06 00:58:37,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:37,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:37,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:37,588 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:37,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 00:58:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:39,087 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:39,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:58:39,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:40,376 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:58:40,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 00:58:41,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:41,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 96 states and 102 transitions. [2024-12-06 00:58:41,734 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 102 transitions. [2024-12-06 00:58:41,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-06 00:58:41,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:41,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:41,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:41,737 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:41,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 00:58:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:43,350 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:43,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:58:43,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:44,549 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 00:58:44,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 00:58:45,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:45,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 93 states and 97 transitions. [2024-12-06 00:58:45,987 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 97 transitions. [2024-12-06 00:58:45,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-06 00:58:45,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:45,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:45,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:45,989 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:45,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 00:58:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:47,477 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:47,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:58:47,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:48,624 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-12-06 00:58:48,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 00:59:04,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:59:04,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 126 states and 131 transitions. [2024-12-06 00:59:04,650 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 131 transitions. [2024-12-06 00:59:04,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-06 00:59:04,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:59:04,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:59:04,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:59:04,652 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:59:04,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367f9522-a200-49c1-bfdc-928c96af95d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process