./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/gcd_3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/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_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 17434adceb46f4d2d18d3a85d6d4ed55515fdf3dbd1a573601edbae0be0a7746 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:05:31,747 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:05:31,815 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:05:31,821 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:05:31,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:05:31,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:05:31,845 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:05:31,845 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:05:31,846 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:05:31,846 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:05:31,846 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:05:31,846 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:05:31,846 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:05:31,847 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:05:31,847 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:05:31,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:05:31,847 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:05:31,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:05:31,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:05:31,847 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:05:31,847 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:05:31,847 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:05:31,847 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:05:31,848 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:05:31,848 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:05:31,848 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:05:31,848 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:05:31,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:05:31,848 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:05:31,848 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:05:31,848 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:05:31,848 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:05:31,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:05:31,849 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_06997c7e-683e-4ed1-9302-80c882e11600/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 ! call(reach_error())) ) 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 -> 17434adceb46f4d2d18d3a85d6d4ed55515fdf3dbd1a573601edbae0be0a7746 [2024-12-06 05:05:32,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:05:32,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:05:32,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:05:32,149 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:05:32,149 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:05:32,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/bitvector/gcd_3.c [2024-12-06 05:05:34,945 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/data/dc46f1a67/1a3df075559e476a81f3035d0c79feff/FLAGd8a0f837e [2024-12-06 05:05:35,161 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:05:35,162 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/sv-benchmarks/c/bitvector/gcd_3.c [2024-12-06 05:05:35,168 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/data/dc46f1a67/1a3df075559e476a81f3035d0c79feff/FLAGd8a0f837e [2024-12-06 05:05:35,183 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/data/dc46f1a67/1a3df075559e476a81f3035d0c79feff [2024-12-06 05:05:35,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:05:35,187 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:05:35,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:05:35,188 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:05:35,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:05:35,193 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:05:35" (1/1) ... [2024-12-06 05:05:35,194 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b02c337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:35, skipping insertion in model container [2024-12-06 05:05:35,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:05:35" (1/1) ... [2024-12-06 05:05:35,207 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:05:35,334 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/sv-benchmarks/c/bitvector/gcd_3.c[664,677] [2024-12-06 05:05:35,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:05:35,361 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:05:35,371 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/sv-benchmarks/c/bitvector/gcd_3.c[664,677] [2024-12-06 05:05:35,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:05:35,389 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:05:35,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:35 WrapperNode [2024-12-06 05:05:35,390 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:05:35,391 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:05:35,391 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:05:35,391 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:05:35,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:35" (1/1) ... [2024-12-06 05:05:35,402 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:35" (1/1) ... [2024-12-06 05:05:35,418 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-12-06 05:05:35,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:05:35,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:05:35,419 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:05:35,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:05:35,426 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:35" (1/1) ... [2024-12-06 05:05:35,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:35" (1/1) ... [2024-12-06 05:05:35,428 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:35" (1/1) ... [2024-12-06 05:05:35,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:35" (1/1) ... [2024-12-06 05:05:35,432 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:35" (1/1) ... [2024-12-06 05:05:35,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:35" (1/1) ... [2024-12-06 05:05:35,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:35" (1/1) ... [2024-12-06 05:05:35,438 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:35" (1/1) ... [2024-12-06 05:05:35,439 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:35" (1/1) ... [2024-12-06 05:05:35,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:05:35,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:05:35,442 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:05:35,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:05:35,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:05:35" (1/1) ... [2024-12-06 05:05:35,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:05:35,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:05:35,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:05:35,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:05:35,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:05:35,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:05:35,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:05:35,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:05:35,560 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:05:35,563 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:05:35,701 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-12-06 05:05:35,701 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:05:35,769 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:05:35,770 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:05:35,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:05:35 BoogieIcfgContainer [2024-12-06 05:05:35,770 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:05:35,771 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:05:35,771 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:05:35,783 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:05:35,783 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:05:35" (1/1) ... [2024-12-06 05:05:35,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:05:35,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:05:35,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 05:05:35,848 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 05:05:35,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:05:35,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:05:35,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:05:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:05:36,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:05:36,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:05:36,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2024-12-06 05:05:36,336 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2024-12-06 05:05:36,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:05:36,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:05:36,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:05:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:05:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:05:36,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 05:05:36,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:05:41,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:05:45,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:05:45,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 15 states and 28 transitions. [2024-12-06 05:05:45,861 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 28 transitions. [2024-12-06 05:05:45,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:05:45,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:05:45,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:05:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:05:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:05:45,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 05:05:45,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:06:04,646 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse15 (mod (* |c_ULTIMATE.start_main_~x~0#1| 255) 256))) (let ((.cse29 (mod |c_ULTIMATE.start_gcd_test_~a#1| 256)) (.cse28 (= |c_ULTIMATE.start_gcd_test_~b#1| 0)) (.cse4 (+ |c_ULTIMATE.start_gcd_test_~a#1| 256)) (.cse18 (+ (- 256) .cse15)) (.cse5 (<= (+ |c_ULTIMATE.start_gcd_test_~a#1| 1) 0)) (.cse20 (<= 128 .cse15)) (.cse21 (<= (+ |c_ULTIMATE.start_main_~x~0#1| 1) 0)) (.cse3 (* |c_ULTIMATE.start_gcd_test_~a#1| 255)) (.cse8 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256)) (.cse16 (<= .cse15 127)) (.cse0 (<= 0 |c_ULTIMATE.start_main_~x~0#1|)) (.cse9 (<= 0 |c_ULTIMATE.start_gcd_test_~a#1|))) (or (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse1 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse2 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) 256))) (and (= (mod .cse1 256) |c_ULTIMATE.start_gcd_test_~b#1|) (<= 128 .cse2) (not (= |v_ULTIMATE.start_gcd_test_~a#1_33| 0)) (<= (mod (+ .cse3 .cse1) 256) 127) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|) (= .cse4 .cse2)))) .cse5) (and (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse7 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse6 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) 256))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (<= 128 .cse6) (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse7) 256) .cse8) (<= 128 (mod (+ .cse3 .cse7) 256)) (not (= .cse7 0)) (= .cse4 .cse6)))) .cse5) (and .cse9 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse11 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse10 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) 256))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| .cse10) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse11) 256)) (= (mod (+ .cse3 .cse11) 256) .cse8) (<= .cse10 127))))) (and .cse5 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse13 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse12 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) 256))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (<= 128 .cse12) (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse13) 256) .cse8) (<= (mod (+ .cse3 .cse13) 256) 127) (not (= .cse13 0)) (= .cse4 .cse12)))))) .cse0) (and (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse14 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse14) 256)) (= (mod (+ .cse3 .cse14) 256) .cse8) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse15 |v_ULTIMATE.start_gcd_test_~a#1_33|) 256))))) .cse9 .cse16) (and (or (and .cse5 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse17 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse17) 256) .cse8) (<= 128 (mod (+ .cse3 .cse17) 256)) (not (= .cse17 0)) (= .cse4 (mod (+ (mod .cse18 |v_ULTIMATE.start_gcd_test_~a#1_33|) |v_ULTIMATE.start_gcd_test_~a#1_33|) 256)))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse19 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse19) 256) .cse8) (<= (mod (+ .cse3 .cse19) 256) 127) (not (= .cse19 0)) (= .cse4 (mod (+ (mod .cse18 |v_ULTIMATE.start_gcd_test_~a#1_33|) |v_ULTIMATE.start_gcd_test_~a#1_33|) 256))))) .cse5)) .cse20)) .cse21) (and .cse0 (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse22 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse23 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) 256))) (and (= (mod .cse22 256) |c_ULTIMATE.start_gcd_test_~b#1|) (<= 128 .cse23) (not (= |v_ULTIMATE.start_gcd_test_~a#1_33| 0)) (<= 128 (mod (+ .cse3 .cse22) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|) (= .cse4 .cse23)))) .cse5) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse25 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse24 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) 256))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| .cse24) (= (mod .cse25 256) |c_ULTIMATE.start_gcd_test_~b#1|) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse25) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|) (<= .cse24 127)))) .cse9))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse26 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) 256)) (.cse27 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| .cse26) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (= (mod (+ .cse3 .cse27) 256) .cse8) (<= .cse26 127) (not (= .cse27 0)) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse27) 256) 127)))) .cse0 .cse9) (and .cse28 (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse15 |v_ULTIMATE.start_gcd_test_~a#1_33|) 256)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_33| 0)) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_33| |c_ULTIMATE.start_gcd_test_~a#1|) 0))) .cse21 .cse16) (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) 256)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_33| 0)) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_33| |c_ULTIMATE.start_gcd_test_~a#1|) 0))))) (<= .cse29 127)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse30 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse31 (mod .cse18 |v_ULTIMATE.start_gcd_test_~a#1_33|))) (and (= (mod .cse30 256) |c_ULTIMATE.start_gcd_test_~b#1|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_33| 0)) (not (= .cse31 0)) (<= (mod (+ .cse3 .cse30) 256) 127) (= .cse4 (mod (+ .cse31 (* 255 |v_ULTIMATE.start_gcd_test_~a#1_33|)) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|)))) .cse5 .cse21 .cse20) (and (<= 128 .cse29) .cse28 (or (and .cse21 .cse20 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse32 (mod .cse18 |v_ULTIMATE.start_gcd_test_~a#1_33|))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (not (= .cse32 0)) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_33| |c_ULTIMATE.start_gcd_test_~a#1|) 0) (= .cse4 (mod (+ .cse32 |v_ULTIMATE.start_gcd_test_~a#1_33|) 256))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse33 (mod .cse18 |v_ULTIMATE.start_gcd_test_~a#1_33|))) (and (not (= |v_ULTIMATE.start_gcd_test_~a#1_33| 0)) (not (= .cse33 0)) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_33| |c_ULTIMATE.start_gcd_test_~a#1|) 0) (= .cse4 (mod (+ .cse33 (* 255 |v_ULTIMATE.start_gcd_test_~a#1_33|)) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|)))))) (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~a#1_33| 0)) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_33| |c_ULTIMATE.start_gcd_test_~a#1|) 0) (= .cse4 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) 256))))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse34 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod .cse34 256) |c_ULTIMATE.start_gcd_test_~b#1|) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse15 |v_ULTIMATE.start_gcd_test_~a#1_33|) 256)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_33| 0)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse34) 256) 127)))) .cse9 .cse21 .cse16) (and (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse35 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse36 (mod .cse18 |v_ULTIMATE.start_gcd_test_~a#1_33|))) (and (= (mod .cse35 256) |c_ULTIMATE.start_gcd_test_~b#1|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_33| 0)) (not (= .cse36 0)) (<= 128 (mod (+ .cse3 .cse35) 256)) (= .cse4 (mod (+ .cse36 (* 255 |v_ULTIMATE.start_gcd_test_~a#1_33|)) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|)))) .cse5 .cse20) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse37 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod .cse37 256) |c_ULTIMATE.start_gcd_test_~b#1|) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse37) 256)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse15 |v_ULTIMATE.start_gcd_test_~a#1_33|) 256)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_33| 0)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|)))) .cse9 .cse16)) .cse21) (and .cse9 .cse21 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse38 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (= (mod (+ .cse3 .cse38) 256) .cse8) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse15 |v_ULTIMATE.start_gcd_test_~a#1_33|) 256)) (not (= .cse38 0)) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse38) 256) 127)))) .cse16) (and .cse0 .cse9 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse39 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) 256)) (.cse40 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| .cse39) (= (mod .cse40 256) |c_ULTIMATE.start_gcd_test_~b#1|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_33| 0)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|) (<= .cse39 127) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse40) 256) 127)))))))) (not (= |c_ULTIMATE.start_gcd_test_~a#1| 0))) is different from false [2024-12-06 05:06:14,620 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-12-06 05:06:14,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-12-06 05:06:14,622 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:467) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:06:14,627 INFO L158 Benchmark]: Toolchain (without parser) took 39439.02ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 117.2MB in the beginning and 260.3MB in the end (delta: -143.1MB). Peak memory consumption was 113.8MB. Max. memory is 16.1GB. [2024-12-06 05:06:14,627 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory was 81.9MB in the beginning and 81.9MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:06:14,628 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.15ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 106.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:06:14,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.11ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 104.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:06:14,629 INFO L158 Benchmark]: Boogie Preprocessor took 21.95ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 104.0MB in the end (delta: 770.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:06:14,629 INFO L158 Benchmark]: RCFGBuilder took 328.20ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 89.0MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:06:14,630 INFO L158 Benchmark]: CodeCheck took 38854.16ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 89.0MB in the beginning and 260.3MB in the end (delta: -171.3MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. [2024-12-06 05:06:14,633 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory was 81.9MB in the beginning and 81.9MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 202.15ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 106.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.11ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 104.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.95ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 104.0MB in the end (delta: 770.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 328.20ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 89.0MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 38854.16ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 89.0MB in the beginning and 260.3MB in the end (delta: -171.3MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. 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_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/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_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 17434adceb46f4d2d18d3a85d6d4ed55515fdf3dbd1a573601edbae0be0a7746 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:06:16,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:06:16,682 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:06:16,711 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:06:16,712 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:06:16,712 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:06:16,713 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:06:16,713 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:06:16,713 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:06:16,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:06:16,713 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:06:16,713 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:06:16,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:06:16,714 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:06:16,714 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:06:16,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:06:16,714 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:06:16,714 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:06:16,714 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:06:16,714 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:06:16,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:06:16,714 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:06:16,714 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:06:16,715 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:06:16,715 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:06:16,715 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:06:16,715 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:06:16,715 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:06:16,715 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:06:16,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:06:16,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:06:16,715 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:06:16,715 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:06:16,716 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:06:16,716 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:06:16,716 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:06:16,716 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_06997c7e-683e-4ed1-9302-80c882e11600/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 ! call(reach_error())) ) 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 -> 17434adceb46f4d2d18d3a85d6d4ed55515fdf3dbd1a573601edbae0be0a7746 [2024-12-06 05:06:16,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:06:17,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:06:17,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:06:17,008 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:06:17,008 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:06:17,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/bitvector/gcd_3.c [2024-12-06 05:06:20,078 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/data/50f4f3722/cf1435ea011048d6bf57efb685c8f02e/FLAG8b9e67246 [2024-12-06 05:06:20,299 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:06:20,300 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/sv-benchmarks/c/bitvector/gcd_3.c [2024-12-06 05:06:20,308 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/data/50f4f3722/cf1435ea011048d6bf57efb685c8f02e/FLAG8b9e67246 [2024-12-06 05:06:20,322 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/data/50f4f3722/cf1435ea011048d6bf57efb685c8f02e [2024-12-06 05:06:20,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:06:20,325 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:06:20,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:06:20,327 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:06:20,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:06:20,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:06:20" (1/1) ... [2024-12-06 05:06:20,332 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50a2a0bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:06:20, skipping insertion in model container [2024-12-06 05:06:20,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:06:20" (1/1) ... [2024-12-06 05:06:20,344 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:06:20,463 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/sv-benchmarks/c/bitvector/gcd_3.c[664,677] [2024-12-06 05:06:20,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:06:20,489 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:06:20,500 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/sv-benchmarks/c/bitvector/gcd_3.c[664,677] [2024-12-06 05:06:20,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:06:20,519 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:06:20,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:06:20 WrapperNode [2024-12-06 05:06:20,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:06:20,520 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:06:20,520 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:06:20,520 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:06:20,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:06:20" (1/1) ... [2024-12-06 05:06:20,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:06:20" (1/1) ... [2024-12-06 05:06:20,550 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-12-06 05:06:20,550 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:06:20,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:06:20,551 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:06:20,551 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:06:20,557 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:06:20" (1/1) ... [2024-12-06 05:06:20,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:06:20" (1/1) ... [2024-12-06 05:06:20,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:06:20" (1/1) ... [2024-12-06 05:06:20,560 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:06:20" (1/1) ... [2024-12-06 05:06:20,564 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:06:20" (1/1) ... [2024-12-06 05:06:20,565 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:06:20" (1/1) ... [2024-12-06 05:06:20,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:06:20" (1/1) ... [2024-12-06 05:06:20,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:06:20" (1/1) ... [2024-12-06 05:06:20,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:06:20" (1/1) ... [2024-12-06 05:06:20,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:06:20,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:06:20,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:06:20,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:06:20,574 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:06:20" (1/1) ... [2024-12-06 05:06:20,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:06:20,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:06:20,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:06:20,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:06:20,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:06:20,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:06:20,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:06:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:06:20,691 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:06:20,693 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:06:20,842 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-12-06 05:06:20,843 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:06:20,906 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:06:20,906 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:06:20,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:06:20 BoogieIcfgContainer [2024-12-06 05:06:20,907 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:06:20,907 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:06:20,907 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:06:20,915 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:06:20,915 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:06:20" (1/1) ... [2024-12-06 05:06:20,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:06:20,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:06:20,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 05:06:20,972 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 05:06:20,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:06:20,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:06:20,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:06:20,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:06:20,978 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:06:20,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:06:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:06:21,060 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:06:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:06:21,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 05:06:21,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:06:21,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:06:21,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:06:21,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:06:21,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-12-06 05:06:21,569 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-12-06 05:06:21,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:06:21,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:06:21,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:06:21,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:06:21,572 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:06:21,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:06:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:06:21,771 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:06:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:06:21,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:06:21,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:06:26,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:06:26,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:06:41,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.81s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:06:50,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.92s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:06:54,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.92s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:06:54,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:06:54,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 14 states and 25 transitions. [2024-12-06 05:06:54,277 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 25 transitions. [2024-12-06 05:06:54,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:06:54,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:06:54,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:06:54,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:06:54,281 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:06:54,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:06:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:06:54,642 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:06:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:06:55,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:06:55,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:07:19,811 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:07:19,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 05:07:52,702 WARN L286 SmtUtils]: Spent 14.19s on a formula simplification. DAG size of input: 50 DAG size of output: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:08:08,105 WARN L286 SmtUtils]: Spent 6.21s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:08:20,897 WARN L286 SmtUtils]: Spent 6.17s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:08:39,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:08:49,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:08:57,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.32s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:09:06,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.91s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:09:09,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:09:19,337 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 24) |c_ULTIMATE.start_main_~x~0#1|)) (.cse2 ((_ sign_extend 24) |c_ULTIMATE.start_main_~g~0#1|))) (and (let ((.cse3 (bvslt .cse0 (_ bv0 32)))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| (_ BitVec 8))) (let ((.cse1 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_34|))) (and (= |c_ULTIMATE.start_main_~g~0#1| ((_ extract 7 0) (bvsrem .cse0 .cse1))) (not (= (_ bv0 32) .cse1)) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse1 .cse2))))))) (not .cse3)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| (_ BitVec 8))) (let ((.cse4 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_34|))) (and (= |c_ULTIMATE.start_main_~g~0#1| ((_ extract 7 0) (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse0))) .cse4))) (not (= (_ bv0 32) .cse4)) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse4 .cse2))))))) .cse3))) (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse2))))))) is different from false [2024-12-06 05:10:06,106 WARN L286 SmtUtils]: Spent 20.44s on a formula simplification. DAG size of input: 38 DAG size of output: 10 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:10:16,160 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse0 ((_ sign_extend 24) |c_ULTIMATE.start_main_~x~0#1|)) (.cse2 ((_ sign_extend 24) |c_ULTIMATE.start_main_~g~0#1|))) (and (let ((.cse3 (bvslt .cse0 (_ bv0 32)))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| (_ BitVec 8))) (let ((.cse1 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_34|))) (and (= |c_ULTIMATE.start_main_~g~0#1| ((_ extract 7 0) (bvsrem .cse0 .cse1))) (not (= (_ bv0 32) .cse1)) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse1 .cse2))))))) (not .cse3)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| (_ BitVec 8))) (let ((.cse4 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_34|))) (and (= |c_ULTIMATE.start_main_~g~0#1| ((_ extract 7 0) (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse0))) .cse4))) (not (= (_ bv0 32) .cse4)) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse4 .cse2))))))) .cse3))) (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse2)))))))) is different from true [2024-12-06 05:10:16,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:10:16,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 16 states and 36 transitions. [2024-12-06 05:10:16,288 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 36 transitions. [2024-12-06 05:10:16,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:10:16,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:10:16,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:10:16,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:10:16,295 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:10:16,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:10:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:16,658 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:17,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:10:17,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:10:23,122 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:10:23,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-06 05:10:23,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:10:23,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 17 states and 41 transitions. [2024-12-06 05:10:23,147 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 41 transitions. [2024-12-06 05:10:23,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:10:23,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:10:23,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:10:23,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:10:23,149 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:10:23,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 05:10:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:23,557 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:24,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:10:24,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:10:30,951 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:10:30,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 05:10:30,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:10:30,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 18 states and 46 transitions. [2024-12-06 05:10:30,974 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 46 transitions. [2024-12-06 05:10:30,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:10:30,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:10:30,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:10:30,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:10:30,977 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:10:30,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 05:10:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:31,346 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:31,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:10:31,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:10:40,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:10:40,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 05:10:40,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:10:40,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 18 states and 46 transitions. [2024-12-06 05:10:40,249 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 46 transitions. [2024-12-06 05:10:40,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:10:40,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:10:40,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:10:40,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:10:40,252 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:10:40,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 05:10:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:40,627 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:41,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:10:41,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:10:48,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:10:48,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 05:10:48,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:10:48,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 19 states and 51 transitions. [2024-12-06 05:10:48,392 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 51 transitions. [2024-12-06 05:10:48,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:10:48,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:10:48,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:10:48,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:10:48,394 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:10:48,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 05:10:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:48,755 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:50,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:10:50,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:10:56,306 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:10:56,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 05:10:56,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:10:56,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 19 states and 51 transitions. [2024-12-06 05:10:56,323 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 51 transitions. [2024-12-06 05:10:56,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:10:56,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:10:56,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:10:56,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:10:56,326 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:10:56,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 05:10:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:56,698 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:57,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:10:57,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:04,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:04,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 05:11:04,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:04,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 19 states and 51 transitions. [2024-12-06 05:11:04,389 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 51 transitions. [2024-12-06 05:11:04,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:11:04,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:04,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:04,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:04,391 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:04,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 05:11:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:04,750 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:05,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 05:11:05,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:36,045 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:36,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 05:11:47,432 WARN L286 SmtUtils]: Spent 7.28s on a formula simplification. DAG size of input: 72 DAG size of output: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:12:18,662 WARN L286 SmtUtils]: Spent 15.43s on a formula simplification. DAG size of input: 73 DAG size of output: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:12:42,727 WARN L286 SmtUtils]: Spent 6.84s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:12:51,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.65s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:13:01,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:13:11,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.60s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:13:24,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:13:24,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:24,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 19 states and 51 transitions. [2024-12-06 05:13:24,645 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 51 transitions. [2024-12-06 05:13:24,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:13:24,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:24,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:24,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:13:24,647 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:13:24,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 05:13:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:24,981 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:13:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:25,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:13:25,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:32,342 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:13:32,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-12-06 05:13:32,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:32,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 19 states and 51 transitions. [2024-12-06 05:13:32,586 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 51 transitions. [2024-12-06 05:13:32,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:13:32,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:32,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:32,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:13:32,588 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:13:32,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 05:13:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:32,893 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:13:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:33,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:13:33,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:40,683 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:13:40,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 05:13:40,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:40,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 19 states and 51 transitions. [2024-12-06 05:13:40,976 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 51 transitions. [2024-12-06 05:13:40,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:13:40,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:40,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:40,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:13:40,978 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:13:40,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 05:13:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:41,300 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:13:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:41,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:13:41,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:49,130 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:13:49,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 05:13:49,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:49,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 19 states and 51 transitions. [2024-12-06 05:13:49,146 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 51 transitions. [2024-12-06 05:13:49,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:13:49,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:49,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:49,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:13:49,149 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:13:49,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 05:13:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:49,455 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:13:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:50,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 05:13:50,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:18,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:18,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 05:14:18,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:18,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 19 states and 51 transitions. [2024-12-06 05:14:18,550 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 51 transitions. [2024-12-06 05:14:18,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:14:18,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:18,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:18,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:18,552 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:18,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 05:14:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:18,833 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:19,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:14:19,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:24,783 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:24,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 05:14:24,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:24,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 19 states and 51 transitions. [2024-12-06 05:14:24,798 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 51 transitions. [2024-12-06 05:14:24,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:14:24,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:24,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:24,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:24,800 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:24,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 05:14:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:25,076 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:25,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:14:25,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:31,412 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:31,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 05:14:31,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:31,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 19 states and 51 transitions. [2024-12-06 05:14:31,428 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 51 transitions. [2024-12-06 05:14:31,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:14:31,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:31,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:31,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:31,430 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:31,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 05:14:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:31,714 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:32,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:14:32,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:38,295 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:38,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 05:14:38,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:38,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 20 states and 56 transitions. [2024-12-06 05:14:38,310 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 56 transitions. [2024-12-06 05:14:38,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:14:38,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:38,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:38,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:38,312 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:38,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 05:14:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:38,601 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:39,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:14:39,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:44,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:44,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 05:14:44,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:44,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 20 states and 56 transitions. [2024-12-06 05:14:44,261 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 56 transitions. [2024-12-06 05:14:44,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:14:44,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:44,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:44,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:44,263 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:44,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 05:14:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:44,550 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:45,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:14:45,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:51,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:51,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 05:14:51,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:51,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 20 states and 56 transitions. [2024-12-06 05:14:51,081 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 56 transitions. [2024-12-06 05:14:51,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:14:51,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:51,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:51,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:51,083 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:51,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 05:14:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:51,368 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:51,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:14:51,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:57,155 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:57,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 05:14:57,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:57,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 20 states and 56 transitions. [2024-12-06 05:14:57,170 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 56 transitions. [2024-12-06 05:14:57,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:14:57,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:57,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:57,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:57,172 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:57,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 05:14:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:57,454 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:58,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:14:58,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:03,842 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:15:03,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 05:15:03,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:03,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 20 states and 56 transitions. [2024-12-06 05:15:03,860 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 56 transitions. [2024-12-06 05:15:03,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:15:03,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:03,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:03,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:03,862 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:03,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 05:15:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:04,142 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:04,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:15:04,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:10,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:15:10,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-12-06 05:15:10,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:10,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 20 states and 56 transitions. [2024-12-06 05:15:10,448 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 56 transitions. [2024-12-06 05:15:10,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:15:10,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:10,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:10,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:10,450 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:10,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 05:15:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:10,741 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:11,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:15:11,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:17,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:15:17,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 05:15:17,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:17,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 20 states and 56 transitions. [2024-12-06 05:15:17,630 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 56 transitions. [2024-12-06 05:15:17,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:15:17,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:17,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:17,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:17,632 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:17,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 05:15:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:17,926 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:18,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:15:18,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:23,861 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:15:23,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-12-06 05:15:23,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:23,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 20 states and 56 transitions. [2024-12-06 05:15:23,875 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 56 transitions. [2024-12-06 05:15:23,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:15:23,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:23,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:23,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:23,877 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:23,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 05:15:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:24,174 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:24,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:15:24,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:31,194 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:15:31,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 05:15:31,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:31,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 20 states and 56 transitions. [2024-12-06 05:15:31,212 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 56 transitions. [2024-12-06 05:15:31,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:15:31,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:31,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:31,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:31,214 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:31,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 05:15:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:31,501 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:32,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:15:32,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:39,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:15:39,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 05:15:39,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:39,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 20 states and 56 transitions. [2024-12-06 05:15:39,372 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 56 transitions. [2024-12-06 05:15:39,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:15:39,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:39,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:39,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:39,374 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:39,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 05:15:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:39,663 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:40,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:15:40,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:45,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:15:45,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 05:15:45,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:45,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 20 states and 56 transitions. [2024-12-06 05:15:45,889 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 56 transitions. [2024-12-06 05:15:45,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:15:45,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:45,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:45,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:45,891 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:45,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 05:15:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:46,183 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:46,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:15:46,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:53,394 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:15:53,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 05:15:53,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:53,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 20 states and 56 transitions. [2024-12-06 05:15:53,410 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 56 transitions. [2024-12-06 05:15:53,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:15:53,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:53,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:53,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:53,412 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:53,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 05:15:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:53,703 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:54,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:15:54,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:00,903 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:16:00,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 05:16:00,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:00,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 20 states and 56 transitions. [2024-12-06 05:16:00,918 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 56 transitions. [2024-12-06 05:16:00,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:16:00,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:00,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:00,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:00,920 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:00,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 05:16:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:01,209 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:02,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:16:02,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:08,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:16:08,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 05:16:08,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:08,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 20 states and 56 transitions. [2024-12-06 05:16:08,622 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 56 transitions. [2024-12-06 05:16:08,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:16:08,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:08,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:08,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:08,624 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:08,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 05:16:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:08,932 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:09,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:16:09,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:16,203 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:16:16,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 05:16:16,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:16,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 20 states and 56 transitions. [2024-12-06 05:16:16,218 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 56 transitions. [2024-12-06 05:16:16,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:16:16,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:16,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:16,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:16,220 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:16,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 05:16:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:16,515 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:17,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:16:17,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:24,116 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:16:24,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-12-06 05:16:24,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:24,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 20 states and 56 transitions. [2024-12-06 05:16:24,133 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 56 transitions. [2024-12-06 05:16:24,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:16:24,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:24,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:24,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:24,136 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:24,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 05:16:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:24,484 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:25,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:16:25,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:32,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:16:32,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 05:16:32,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:32,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 20 states and 56 transitions. [2024-12-06 05:16:32,436 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 56 transitions. [2024-12-06 05:16:32,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:16:32,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:32,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:32,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:32,438 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:32,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 05:16:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:32,810 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:33,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 05:16:33,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:06,654 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:06,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 05:17:06,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:06,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 20 states and 56 transitions. [2024-12-06 05:17:06,914 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 56 transitions. [2024-12-06 05:17:06,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:06,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:06,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:06,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:06,917 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:06,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 05:17:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:07,324 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:07,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:17:07,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:14,541 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:14,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 05:17:14,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:14,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 20 states and 56 transitions. [2024-12-06 05:17:14,555 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 56 transitions. [2024-12-06 05:17:14,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:14,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:14,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:14,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:14,558 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:14,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 05:17:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:14,889 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:15,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:17:15,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:22,207 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:22,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 05:17:22,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:22,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 20 states and 56 transitions. [2024-12-06 05:17:22,222 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 56 transitions. [2024-12-06 05:17:22,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:22,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:22,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:22,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:22,224 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:22,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 05:17:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:22,569 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:23,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:17:23,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:29,919 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:29,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 05:17:29,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:29,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 20 states and 56 transitions. [2024-12-06 05:17:29,937 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 56 transitions. [2024-12-06 05:17:29,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:29,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:29,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:29,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:29,939 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:29,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 05:17:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:30,216 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:30,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:17:30,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:37,268 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:37,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 05:17:37,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:37,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 21 states and 61 transitions. [2024-12-06 05:17:37,282 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 61 transitions. [2024-12-06 05:17:37,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:37,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:37,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:37,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:37,284 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:37,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 05:17:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:37,573 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:37,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:17:37,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:44,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:44,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-06 05:17:44,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:44,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 21 states and 61 transitions. [2024-12-06 05:17:44,166 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 61 transitions. [2024-12-06 05:17:44,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:44,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:44,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:44,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:44,168 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:44,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 05:17:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:44,460 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:45,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:17:45,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:51,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:51,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 05:17:51,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:51,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 21 states and 61 transitions. [2024-12-06 05:17:51,180 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 61 transitions. [2024-12-06 05:17:51,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:51,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:51,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:51,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:51,182 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:51,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 05:17:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:51,465 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:51,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:17:51,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:58,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:58,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 05:17:58,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:58,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 21 states and 61 transitions. [2024-12-06 05:17:58,349 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 61 transitions. [2024-12-06 05:17:58,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:58,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:58,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:58,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:58,351 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:58,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 05:17:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:58,654 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:59,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:17:59,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:04,425 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:18:04,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-06 05:18:04,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:04,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 21 states and 61 transitions. [2024-12-06 05:18:04,651 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 61 transitions. [2024-12-06 05:18:04,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:18:04,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:04,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:04,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:04,653 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:04,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 05:18:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:04,937 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:05,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:18:05,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:11,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:18:11,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-06 05:18:11,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:11,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 21 states and 61 transitions. [2024-12-06 05:18:11,977 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 61 transitions. [2024-12-06 05:18:11,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:18:11,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:11,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:11,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:11,979 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:11,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 05:18:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:12,268 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:12,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:18:12,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:18,353 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:18:18,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-06 05:18:18,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:18,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 21 states and 61 transitions. [2024-12-06 05:18:18,600 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 61 transitions. [2024-12-06 05:18:18,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:18:18,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:18,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:18,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:18,602 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:18,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 05:18:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:18,900 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:19,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:18:19,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:25,703 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:18:25,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-06 05:18:25,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:25,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 21 states and 61 transitions. [2024-12-06 05:18:25,935 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 61 transitions. [2024-12-06 05:18:25,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:18:25,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:25,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:25,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:25,937 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:25,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 05:18:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:26,227 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:26,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:18:26,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:32,796 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:18:32,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-06 05:18:33,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:33,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 21 states and 61 transitions. [2024-12-06 05:18:33,042 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 61 transitions. [2024-12-06 05:18:33,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:18:33,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:33,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:33,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:33,044 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:33,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 05:18:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:33,341 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:33,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:18:33,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:38,550 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:18:38,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-06 05:18:38,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:38,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 21 states and 61 transitions. [2024-12-06 05:18:38,768 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 61 transitions. [2024-12-06 05:18:38,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:18:38,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:38,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:38,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:38,770 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:38,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-06 05:18:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:39,062 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:39,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:18:39,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:45,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:18:45,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-06 05:18:45,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:45,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 21 states and 61 transitions. [2024-12-06 05:18:45,891 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 61 transitions. [2024-12-06 05:18:45,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:18:45,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:45,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:45,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:45,893 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:45,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-06 05:18:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:46,186 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:46,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:18:46,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:54,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:18:54,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-12-06 05:18:54,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:54,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 21 states and 61 transitions. [2024-12-06 05:18:54,275 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 61 transitions. [2024-12-06 05:18:54,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:18:54,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:54,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:54,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:54,277 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:54,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-06 05:18:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:54,577 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:55,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:18:55,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:19:00,851 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:19:00,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-06 05:19:01,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:19:01,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 21 states and 61 transitions. [2024-12-06 05:19:01,079 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 61 transitions. [2024-12-06 05:19:01,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:19:01,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:19:01,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:19:01,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:19:01,081 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:19:01,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-06 05:19:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:01,368 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:19:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:01,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:19:01,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:19:08,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:19:08,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-06 05:19:08,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:19:08,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 21 states and 61 transitions. [2024-12-06 05:19:08,397 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 61 transitions. [2024-12-06 05:19:08,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:19:08,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:19:08,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:19:08,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:19:08,399 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:19:08,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-06 05:19:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:08,685 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:19:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:09,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 05:19:09,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:19:38,094 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:19:38,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-06 05:19:38,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:19:38,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 21 states and 61 transitions. [2024-12-06 05:19:38,107 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 61 transitions. [2024-12-06 05:19:38,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:19:38,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:19:38,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:19:38,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:19:38,109 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:19:38,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-06 05:19:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:38,403 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:19:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:38,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:19:38,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:19:45,454 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:19:45,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-06 05:19:45,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:19:45,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 21 states and 61 transitions. [2024-12-06 05:19:45,704 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 61 transitions. [2024-12-06 05:19:45,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:19:45,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:19:45,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:19:45,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:19:45,706 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:19:45,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-06 05:19:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:46,031 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:19:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:46,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:19:46,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:19:52,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:19:52,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-06 05:19:52,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:19:52,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 21 states and 61 transitions. [2024-12-06 05:19:52,755 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 61 transitions. [2024-12-06 05:19:52,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:19:52,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:19:52,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:19:52,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:19:52,757 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:19:52,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-06 05:19:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:53,047 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:19:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:53,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:19:53,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:19:59,671 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:19:59,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-12-06 05:19:59,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:19:59,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 21 states and 61 transitions. [2024-12-06 05:19:59,685 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 61 transitions. [2024-12-06 05:19:59,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:19:59,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:19:59,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:19:59,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:19:59,687 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:19:59,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-06 05:19:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:59,986 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:20:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:20:00,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:20:00,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:20:08,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:20:08,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-06 05:20:08,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:20:08,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 21 states and 61 transitions. [2024-12-06 05:20:08,407 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 61 transitions. [2024-12-06 05:20:08,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:20:08,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:20:08,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:20:08,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:20:08,409 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:20:08,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-06 05:20:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:20:08,707 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:20:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:20:09,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 05:20:09,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:20:35,992 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:20:35,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-06 05:20:36,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:20:36,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 21 states and 61 transitions. [2024-12-06 05:20:36,251 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 61 transitions. [2024-12-06 05:20:36,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:20:36,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:20:36,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:20:36,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:20:36,253 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:20:36,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06997c7e-683e-4ed1-9302-80c882e11600/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-06 05:20:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:20:36,574 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:20:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:20:36,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:20:36,927 INFO L279 TraceCheckSpWp]: Computing forward predicates...