./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/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_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/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 32bit --witnessprinter.graph.data.programhash acf998c27a5d4b83a2feddb35e0896b9221e58140057280398a3180f484cbd82 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:04:31,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:04:31,174 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-05 23:04:31,179 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:04:31,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:04:31,200 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:04:31,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:04:31,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:04:31,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:04:31,202 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:04:31,202 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:04:31,202 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:04:31,202 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:04:31,202 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:04:31,202 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:04:31,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:04:31,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:04:31,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:04:31,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:04:31,203 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:04:31,203 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:04:31,203 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:04:31,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:04:31,203 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:04:31,203 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:04:31,203 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:04:31,204 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:04:31,204 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:04:31,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:04:31,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:04:31,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:04:31,204 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:04:31,204 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:04:31,204 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:04:31,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:04:31,204 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_88a4fba7-5e6c-4383-98c0-e13f38db1f05/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> acf998c27a5d4b83a2feddb35e0896b9221e58140057280398a3180f484cbd82 [2024-12-05 23:04:31,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:04:31,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:04:31,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:04:31,469 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:04:31,470 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:04:31,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c [2024-12-05 23:04:34,083 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/data/a198ade27/c658a2893ee944929226213720aa1e83/FLAG3a0ddf07f [2024-12-05 23:04:34,264 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:04:34,264 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c [2024-12-05 23:04:34,271 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/data/a198ade27/c658a2893ee944929226213720aa1e83/FLAG3a0ddf07f [2024-12-05 23:04:34,633 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/data/a198ade27/c658a2893ee944929226213720aa1e83 [2024-12-05 23:04:34,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:04:34,635 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:04:34,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:04:34,636 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:04:34,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:04:34,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:04:34" (1/1) ... [2024-12-05 23:04:34,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1551b463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:34, skipping insertion in model container [2024-12-05 23:04:34,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:04:34" (1/1) ... [2024-12-05 23:04:34,650 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:04:34,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:04:34,802 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:04:34,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:04:34,836 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:04:34,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:34 WrapperNode [2024-12-05 23:04:34,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:04:34,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:04:34,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:04:34,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:04:34,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:34" (1/1) ... [2024-12-05 23:04:34,850 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:34" (1/1) ... [2024-12-05 23:04:34,869 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2024-12-05 23:04:34,869 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:04:34,869 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:04:34,869 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:04:34,870 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:04:34,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:34" (1/1) ... [2024-12-05 23:04:34,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:34" (1/1) ... [2024-12-05 23:04:34,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:34" (1/1) ... [2024-12-05 23:04:34,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:34" (1/1) ... [2024-12-05 23:04:34,883 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:34" (1/1) ... [2024-12-05 23:04:34,884 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:34" (1/1) ... [2024-12-05 23:04:34,887 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:34" (1/1) ... [2024-12-05 23:04:34,888 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:34" (1/1) ... [2024-12-05 23:04:34,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:34" (1/1) ... [2024-12-05 23:04:34,891 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:04:34,892 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:04:34,892 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:04:34,892 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:04:34,893 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:34" (1/1) ... [2024-12-05 23:04:34,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:04:34,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:04:34,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:04:34,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:04:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:04:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:04:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:04:34,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:04:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:04:34,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:04:35,009 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:04:35,011 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:04:35,333 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-12-05 23:04:35,333 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:04:35,370 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:04:35,370 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:04:35,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:04:35 BoogieIcfgContainer [2024-12-05 23:04:35,371 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:04:35,371 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:04:35,372 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:04:35,381 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:04:35,381 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:04:35" (1/1) ... [2024-12-05 23:04:35,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:04:35,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:35,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 132 states and 138 transitions. [2024-12-05 23:04:35,436 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 138 transitions. [2024-12-05 23:04:35,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 23:04:35,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:35,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:04:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:35,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:04:35,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:35,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2024-12-05 23:04:35,594 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2024-12-05 23:04:35,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 23:04:35,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:35,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:04:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:35,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:04:35,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:35,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 134 states and 140 transitions. [2024-12-05 23:04:35,640 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 140 transitions. [2024-12-05 23:04:35,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:04:35,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:35,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:04:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:35,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:04:35,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:35,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2024-12-05 23:04:35,661 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2024-12-05 23:04:35,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:04:35,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:35,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:04:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:04:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:35,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:04:35,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:35,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:04:35,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:35,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2024-12-05 23:04:35,732 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2024-12-05 23:04:35,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:04:35,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:35,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:04:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:04:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:04:35,755 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:04:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:04:35,767 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-12-05 23:04:35,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:04:35 ImpRootNode [2024-12-05 23:04:35,784 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:04:35,785 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:04:35,785 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:04:35,785 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:04:35,785 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:04:35" (3/4) ... [2024-12-05 23:04:35,788 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:04:35,788 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:04:35,789 INFO L158 Benchmark]: Toolchain (without parser) took 1153.77ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 111.6MB in the end (delta: 7.2MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2024-12-05 23:04:35,790 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:04:35,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.89ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 107.3MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:04:35,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.39ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 105.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:04:35,791 INFO L158 Benchmark]: Boogie Preprocessor took 21.31ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.6MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:04:35,791 INFO L158 Benchmark]: RCFGBuilder took 479.31ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 80.4MB in the end (delta: 24.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:04:35,792 INFO L158 Benchmark]: CodeCheck took 412.50ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 112.1MB in the end (delta: -31.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:04:35,792 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 111.6MB in the end (delta: 535.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:04:35,794 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 132 locations, 60 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 2 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 28 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of to_int at line 34, overapproximation of someBinaryDOUBLEComparisonOperation at line 28. Possible FailurePath: [L25] int r; [L26] double a, x, s; [L27] a = __VERIFIER_nondet_double() [L28] CALL assume_abort_if_not(a>=0 && a<=50) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=50) [L29] x = a [L30] s = 3.25 [L31] r = 1 VAL [r=1] [L34] EXPR 12*r VAL [r=1] [L34] EXPR 12*r*r VAL [r=1] [L34] (int)(4*s) - 12*r*r * 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 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.89ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 107.3MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.39ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 105.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.31ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.6MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 479.31ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 80.4MB in the end (delta: 24.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 412.50ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 112.1MB in the end (delta: -31.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 111.6MB in the end (delta: 535.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:04:35,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/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_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/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_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/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 32bit --witnessprinter.graph.data.programhash acf998c27a5d4b83a2feddb35e0896b9221e58140057280398a3180f484cbd82 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:04:37,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:04:37,804 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-05 23:04:37,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:04:37,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:04:37,830 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:04:37,830 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:04:37,830 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:04:37,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:04:37,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:04:37,831 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:04:37,831 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:04:37,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:04:37,831 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:04:37,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:04:37,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:04:37,831 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:04:37,831 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:04:37,831 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:04:37,832 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:04:37,832 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:04:37,832 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:04:37,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:04:37,832 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:04:37,832 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:04:37,832 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:04:37,832 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:04:37,832 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:04:37,832 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:37,832 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:04:37,833 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:04:37,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:04:37,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:04:37,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:04:37,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:04:37,833 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:04:37,833 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:37,833 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:04:37,833 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_88a4fba7-5e6c-4383-98c0-e13f38db1f05/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> acf998c27a5d4b83a2feddb35e0896b9221e58140057280398a3180f484cbd82 [2024-12-05 23:04:38,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:04:38,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:04:38,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:04:38,075 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:04:38,075 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:04:38,077 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c [2024-12-05 23:04:40,844 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/data/0f889d4a6/973c86e85f214613baea20bf11dc3276/FLAGc8a77c4b0 [2024-12-05 23:04:41,023 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:04:41,023 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c [2024-12-05 23:04:41,031 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/data/0f889d4a6/973c86e85f214613baea20bf11dc3276/FLAGc8a77c4b0 [2024-12-05 23:04:41,395 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/data/0f889d4a6/973c86e85f214613baea20bf11dc3276 [2024-12-05 23:04:41,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:04:41,398 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:04:41,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:04:41,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:04:41,402 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:04:41,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:04:41" (1/1) ... [2024-12-05 23:04:41,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72a32551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:41, skipping insertion in model container [2024-12-05 23:04:41,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:04:41" (1/1) ... [2024-12-05 23:04:41,412 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:04:41,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:04:41,546 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:04:41,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:04:41,581 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:04:41,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:41 WrapperNode [2024-12-05 23:04:41,582 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:04:41,583 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:04:41,583 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:04:41,583 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:04:41,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:41" (1/1) ... [2024-12-05 23:04:41,597 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:41" (1/1) ... [2024-12-05 23:04:41,618 INFO L138 Inliner]: procedures = 15, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2024-12-05 23:04:41,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:04:41,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:04:41,618 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:04:41,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:04:41,625 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:41" (1/1) ... [2024-12-05 23:04:41,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:41" (1/1) ... [2024-12-05 23:04:41,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:41" (1/1) ... [2024-12-05 23:04:41,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:41" (1/1) ... [2024-12-05 23:04:41,638 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:41" (1/1) ... [2024-12-05 23:04:41,639 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:41" (1/1) ... [2024-12-05 23:04:41,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:41" (1/1) ... [2024-12-05 23:04:41,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:41" (1/1) ... [2024-12-05 23:04:41,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:41" (1/1) ... [2024-12-05 23:04:41,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:04:41,647 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:04:41,647 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:04:41,648 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:04:41,648 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:04:41" (1/1) ... [2024-12-05 23:04:41,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:04:41,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:04:41,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:04:41,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:04:41,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:04:41,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:04:41,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:04:41,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:04:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:04:41,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:04:41,761 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:04:41,763 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:05:24,470 INFO L? ?]: Removed 77 outVars from TransFormulas that were not future-live. [2024-12-05 23:05:24,470 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:05:24,519 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:05:24,520 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:05:24,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:05:24 BoogieIcfgContainer [2024-12-05 23:05:24,520 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:05:24,521 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:05:24,521 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:05:24,529 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:05:24,530 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:05:24" (1/1) ... [2024-12-05 23:05:24,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:05:24,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:24,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 132 states and 138 transitions. [2024-12-05 23:05:24,573 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 138 transitions. [2024-12-05 23:05:24,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 23:05:24,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:24,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:24,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:24,576 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:24,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:05:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:24,711 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:24,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:05:24,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:24,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:24,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:05:24,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:24,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2024-12-05 23:05:24,851 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2024-12-05 23:05:24,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 23:05:24,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:24,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:24,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:24,853 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:24,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:05:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:24,949 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:24,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:05:24,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:24,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:24,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 23:05:25,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:25,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 134 states and 140 transitions. [2024-12-05 23:05:25,020 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 140 transitions. [2024-12-05 23:05:25,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:05:25,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:25,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:25,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:25,022 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:25,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 23:05:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:25,159 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:25,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:05:25,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:25,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:25,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 23:05:25,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:25,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2024-12-05 23:05:25,307 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2024-12-05 23:05:25,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:05:25,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:25,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:25,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:25,309 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:25,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 23:05:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:25,447 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:25,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:05:25,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:25,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:25,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 23:05:25,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:25,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 136 states and 142 transitions. [2024-12-05 23:05:25,742 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 142 transitions. [2024-12-05 23:05:25,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:05:25,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:25,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:25,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:25,744 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:25,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 23:05:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:25,945 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:26,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:05:26,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:26,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:26,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 23:05:27,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:27,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 141 states and 148 transitions. [2024-12-05 23:05:27,342 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2024-12-05 23:05:27,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:05:27,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:27,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:27,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:27,344 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:27,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 23:05:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:27,533 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:27,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:05:27,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:27,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:27,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 23:05:28,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:28,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 142 states and 150 transitions. [2024-12-05 23:05:28,764 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 150 transitions. [2024-12-05 23:05:28,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:05:28,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:28,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:28,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:28,768 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:28,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 23:05:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:28,968 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:29,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:05:29,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:29,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:29,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 23:05:30,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:30,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 144 states and 153 transitions. [2024-12-05 23:05:30,221 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 153 transitions. [2024-12-05 23:05:30,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:05:30,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:30,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:30,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:30,223 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:30,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 23:05:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:30,434 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:30,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:05:30,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:30,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:30,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 23:05:30,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:30,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 145 states and 154 transitions. [2024-12-05 23:05:30,589 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 154 transitions. [2024-12-05 23:05:30,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:05:30,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:30,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:30,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:30,592 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:30,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 23:05:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:30,868 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:30,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:05:30,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:31,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:31,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 23:05:31,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:31,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 146 states and 155 transitions. [2024-12-05 23:05:31,113 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 155 transitions. [2024-12-05 23:05:31,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 23:05:31,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:31,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:31,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:31,115 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:31,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 23:05:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:31,442 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:31,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:05:31,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:31,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:31,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 23:05:31,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:31,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 147 states and 156 transitions. [2024-12-05 23:05:31,834 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 156 transitions. [2024-12-05 23:05:31,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 23:05:31,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:31,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:31,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:31,836 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:31,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 23:05:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:32,143 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:32,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:05:32,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:32,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:32,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 23:05:32,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:32,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 148 states and 157 transitions. [2024-12-05 23:05:32,569 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 157 transitions. [2024-12-05 23:05:32,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:05:32,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:32,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:32,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:32,572 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:32,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 23:05:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:32,892 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:32,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:05:32,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:33,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:33,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 23:05:33,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:33,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 149 states and 158 transitions. [2024-12-05 23:05:33,372 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 158 transitions. [2024-12-05 23:05:33,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:05:33,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:33,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:33,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:33,375 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:33,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 23:05:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:33,701 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:33,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:05:33,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:33,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:33,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 23:05:33,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:33,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 150 states and 159 transitions. [2024-12-05 23:05:33,978 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 159 transitions. [2024-12-05 23:05:33,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:05:33,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:33,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:33,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:33,980 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:33,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 23:05:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:34,312 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:34,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:05:34,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:34,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:34,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 23:05:34,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:34,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 151 states and 161 transitions. [2024-12-05 23:05:34,911 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 161 transitions. [2024-12-05 23:05:34,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 23:05:34,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:34,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:34,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:34,913 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:34,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 23:05:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:35,273 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:35,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:05:35,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:35,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:35,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-05 23:05:35,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:35,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 153 states and 163 transitions. [2024-12-05 23:05:35,749 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2024-12-05 23:05:35,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:05:35,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:35,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:35,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:35,751 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:35,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 23:05:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:36,112 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:36,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:05:36,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:36,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:36,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 23:05:36,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:36,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 154 states and 164 transitions. [2024-12-05 23:05:36,523 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 164 transitions. [2024-12-05 23:05:36,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:05:36,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:36,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:36,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:36,525 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:36,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 23:05:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:36,931 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:37,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:05:37,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:37,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:37,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-05 23:05:37,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:37,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 155 states and 165 transitions. [2024-12-05 23:05:37,286 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 165 transitions. [2024-12-05 23:05:37,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:05:37,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:37,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:37,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:37,288 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:37,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 23:05:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:37,683 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:37,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:05:37,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:37,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:37,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-05 23:05:38,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:38,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 156 states and 166 transitions. [2024-12-05 23:05:38,047 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 166 transitions. [2024-12-05 23:05:38,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:05:38,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:38,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:38,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:38,050 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:38,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-05 23:05:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:38,455 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:38,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:05:38,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:38,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:38,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-05 23:05:38,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:38,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 157 states and 167 transitions. [2024-12-05 23:05:38,788 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 167 transitions. [2024-12-05 23:05:38,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 23:05:38,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:38,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:38,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:38,790 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:38,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-05 23:05:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:39,181 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:39,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:05:39,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:39,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:39,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-05 23:05:39,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:39,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 158 states and 169 transitions. [2024-12-05 23:05:39,633 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 169 transitions. [2024-12-05 23:05:39,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:05:39,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:39,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:39,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:39,636 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:39,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-05 23:05:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:40,033 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:40,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:05:40,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:40,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:40,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-05 23:05:40,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:40,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 160 states and 171 transitions. [2024-12-05 23:05:40,521 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 171 transitions. [2024-12-05 23:05:40,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 23:05:40,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:40,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:40,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:40,523 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:40,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-05 23:05:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:40,918 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:41,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:05:41,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:41,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:41,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-05 23:05:41,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:41,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 161 states and 172 transitions. [2024-12-05 23:05:41,333 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 172 transitions. [2024-12-05 23:05:41,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:05:41,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:41,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:41,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:41,335 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:41,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-05 23:05:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:42,057 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:42,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:05:42,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:42,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:05:42,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-05 23:05:48,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.70s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:05:53,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:05:54,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:05:55,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:55,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 162 states and 173 transitions. [2024-12-05 23:05:55,009 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 173 transitions. [2024-12-05 23:05:55,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:05:55,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:55,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:55,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:55,012 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:55,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-05 23:05:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:56,143 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:01,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 23:06:01,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:03,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:06:03,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-05 23:06:11,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:06:22,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:06:32,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:06:36,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:06:46,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:06:56,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:07:03,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.85s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:07:13,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:07:23,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:07:28,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.26s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:07:38,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:07:48,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:07:52,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:08:01,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.28s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:08:05,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:08:07,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:08:10,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:08:10,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:10,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 189 states and 216 transitions. [2024-12-05 23:08:10,886 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 216 transitions. [2024-12-05 23:08:10,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-05 23:08:10,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:10,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:08:10,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:08:10,890 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:08:10,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-05 23:08:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:11,503 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:08:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:11,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:08:11,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:12,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:08:12,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-12-05 23:08:17,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:08:24,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:08:27,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:08:31,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:08:35,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.69s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:08:35,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:35,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 191 states and 222 transitions. [2024-12-05 23:08:35,976 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 222 transitions. [2024-12-05 23:08:35,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 23:08:35,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:35,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:08:35,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:08:35,978 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:08:35,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-05 23:08:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:36,529 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:08:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:36,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:08:36,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:37,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:08:37,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-05 23:08:42,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.91s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:08:43,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:08:49,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:08:53,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:08:53,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:53,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 194 states and 229 transitions. [2024-12-05 23:08:53,641 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 229 transitions. [2024-12-05 23:08:53,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 23:08:53,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:53,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:08:53,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:08:53,643 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:08:53,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-05 23:08:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:54,185 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:08:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:54,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:08:54,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:54,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:08:54,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-05 23:08:57,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:09:01,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:09:03,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:09:06,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:09:08,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:09:15,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.26s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:09:15,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:09:15,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 198 states and 237 transitions. [2024-12-05 23:09:15,648 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 237 transitions. [2024-12-05 23:09:15,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 23:09:15,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:09:15,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:09:15,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:09:15,650 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:09:15,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-05 23:09:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:16,184 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:09:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:16,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:09:16,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:09:16,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:09:16,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-05 23:09:16,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:09:16,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 199 states and 238 transitions. [2024-12-05 23:09:16,972 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 238 transitions. [2024-12-05 23:09:16,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-05 23:09:16,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:09:16,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:09:16,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:09:16,975 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:09:16,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-05 23:09:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:17,192 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:09:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:17,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:09:17,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:09:18,427 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:09:18,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-05 23:09:28,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:09:38,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:09:48,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:09:58,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:10:09,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:10:19,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:10:29,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:10:39,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:10:49,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:10:59,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:11:09,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:11:19,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:11:19,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:19,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 202 states and 245 transitions. [2024-12-05 23:11:19,475 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 245 transitions. [2024-12-05 23:11:19,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-05 23:11:19,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:19,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:11:19,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:11:19,477 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:11:19,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-05 23:11:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:19,690 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:11:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:20,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:11:20,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:11:21,036 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:11:21,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-12-05 23:11:31,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:11:41,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:11:51,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:12:01,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:12:12,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:12:22,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:12:32,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:12:42,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:12:52,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:13:02,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:13:12,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:13:22,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:13:22,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:22,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 205 states and 252 transitions. [2024-12-05 23:13:22,400 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 252 transitions. [2024-12-05 23:13:22,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-05 23:13:22,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:22,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:13:22,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:13:22,403 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:13:22,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-05 23:13:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:22,623 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:13:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:23,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:13:23,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:13:23,979 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:13:23,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-12-05 23:13:35,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:13:45,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:13:55,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:14:05,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:14:15,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:14:25,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:14:35,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:14:45,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:14:55,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:15:05,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:15:15,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:15:25,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:15:29,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:15:29,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:15:29,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 204 states and 251 transitions. [2024-12-05 23:15:29,284 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 251 transitions. [2024-12-05 23:15:29,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-05 23:15:29,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:15:29,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:15:29,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:15:29,286 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:15:29,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-05 23:15:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:29,508 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:15:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:30,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:15:30,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:15:30,970 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:15:30,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-12-05 23:15:42,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:15:52,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:16:02,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:16:12,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:16:22,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:16:32,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:16:42,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:16:52,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:17:03,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:17:13,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:17:23,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:17:33,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:17:33,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:17:33,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 203 states and 250 transitions. [2024-12-05 23:17:33,295 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 250 transitions. [2024-12-05 23:17:33,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-05 23:17:33,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:17:33,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:17:33,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:17:33,297 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:17:33,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-05 23:17:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:33,566 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:17:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:34,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-05 23:17:34,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:17:34,079 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:17:34,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-12-05 23:17:34,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:17:34,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 202 states and 249 transitions. [2024-12-05 23:17:34,089 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 249 transitions. [2024-12-05 23:17:34,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-05 23:17:34,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:17:34,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:17:34,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:17:34,092 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:17:34,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-05 23:17:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:34,309 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:17:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:34,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:17:34,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:18:14,645 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:18:14,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a4fba7-5e6c-4383-98c0-e13f38db1f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-05 23:18:55,682 WARN L286 SmtUtils]: Spent 10.35s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:19:05,689 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ sign_extend 31) |c_ULTIMATE.start_main_~r~0#1|))) (let ((.cse0 (bvmul (_ bv12 63) .cse1))) (and (bvsle .cse0 (_ bv2147483647 63)) (bvsle (_ bv9223372034707292160 63) .cse0) (not (bvsle (_ bv9223372034707292160 63) (bvmul .cse1 ((_ sign_extend 31) (bvmul (_ bv12 32) |c_ULTIMATE.start_main_~r~0#1|)))))))) is different from false [2024-12-05 23:19:37,646 WARN L286 SmtUtils]: Spent 10.60s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:19:47,789 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse1 ((_ sign_extend 31) |c_ULTIMATE.start_main_~r~0#1|))) (let ((.cse0 (bvmul (_ bv12 63) .cse1))) (and (bvsle .cse0 (_ bv2147483647 63)) (bvsle (_ bv9223372034707292160 63) .cse0) (not (bvsle (_ bv9223372034707292160 63) (bvmul .cse1 ((_ sign_extend 31) (bvmul (_ bv12 32) |c_ULTIMATE.start_main_~r~0#1|))))))))) is different from true [2024-12-05 23:19:58,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []