./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ff5daa36c47d3acf04ff127d3f9a6e17688f7f254f16d34cb2769aec1ca052fe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:39:03,927 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:39:04,037 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 04:39:04,045 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:39:04,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:39:04,095 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:39:04,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:39:04,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:39:04,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:39:04,099 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:39:04,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:39:04,101 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:39:04,101 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:39:04,101 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:39:04,101 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:39:04,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:39:04,102 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:39:04,102 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:39:04,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:39:04,102 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:39:04,102 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:39:04,103 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:39:04,103 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:39:04,104 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:39:04,104 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:39:04,104 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:39:04,104 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:39:04,104 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:39:04,104 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:39:04,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:39:04,105 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:39:04,105 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:39:04,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:39:04,106 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:39:04,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:39:04,106 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_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff5daa36c47d3acf04ff127d3f9a6e17688f7f254f16d34cb2769aec1ca052fe [2024-11-25 04:39:04,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:39:04,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:39:04,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:39:04,509 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:39:04,509 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:39:04,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c [2024-11-25 04:39:07,751 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/data/791f5a9c3/fc22991fdde44352b56555da85683a75/FLAG5d20f582d [2024-11-25 04:39:08,007 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:39:08,007 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c [2024-11-25 04:39:08,031 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/data/791f5a9c3/fc22991fdde44352b56555da85683a75/FLAG5d20f582d [2024-11-25 04:39:08,051 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/data/791f5a9c3/fc22991fdde44352b56555da85683a75 [2024-11-25 04:39:08,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:39:08,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:39:08,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:39:08,062 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:39:08,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:39:08,070 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:39:08" (1/1) ... [2024-11-25 04:39:08,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b70cbf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:08, skipping insertion in model container [2024-11-25 04:39:08,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:39:08" (1/1) ... [2024-11-25 04:39:08,091 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:39:08,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:39:08,329 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:39:08,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:39:08,383 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:39:08,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:08 WrapperNode [2024-11-25 04:39:08,385 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:39:08,386 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:39:08,386 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:39:08,387 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:39:08,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:08" (1/1) ... [2024-11-25 04:39:08,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:08" (1/1) ... [2024-11-25 04:39:08,452 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2024-11-25 04:39:08,456 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:39:08,457 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:39:08,461 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:39:08,461 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:39:08,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:08" (1/1) ... [2024-11-25 04:39:08,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:08" (1/1) ... [2024-11-25 04:39:08,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:08" (1/1) ... [2024-11-25 04:39:08,478 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:08" (1/1) ... [2024-11-25 04:39:08,483 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:08" (1/1) ... [2024-11-25 04:39:08,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:08" (1/1) ... [2024-11-25 04:39:08,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:08" (1/1) ... [2024-11-25 04:39:08,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:08" (1/1) ... [2024-11-25 04:39:08,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:08" (1/1) ... [2024-11-25 04:39:08,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:39:08,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:39:08,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:39:08,494 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:39:08,496 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:08" (1/1) ... [2024-11-25 04:39:08,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:39:08,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:39:08,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:39:08,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:39:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:39:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:39:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:39:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:39:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:39:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:39:08,638 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:39:08,640 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:39:09,102 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-11-25 04:39:09,103 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:39:09,152 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:39:09,152 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:39:09,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:39:09 BoogieIcfgContainer [2024-11-25 04:39:09,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:39:09,154 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:39:09,154 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:39:09,165 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:39:09,166 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:39:09" (1/1) ... [2024-11-25 04:39:09,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:39:09,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:39:09,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 132 states and 138 transitions. [2024-11-25 04:39:09,235 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 138 transitions. [2024-11-25 04:39:09,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 04:39:09,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:39:09,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:39:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:39:09,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:39:09,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:39:09,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2024-11-25 04:39:09,497 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2024-11-25 04:39:09,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 04:39:09,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:39:09,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:39:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:39:09,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:39:09,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:39:09,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 134 states and 140 transitions. [2024-11-25 04:39:09,585 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 140 transitions. [2024-11-25 04:39:09,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:39:09,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:39:09,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:39:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:39:09,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:39:09,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:39:09,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2024-11-25 04:39:09,606 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2024-11-25 04:39:09,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:39:09,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:39:09,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:39:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:39:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:39:09,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 04:39:09,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:39:09,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:39:09,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:39:09,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2024-11-25 04:39:09,732 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2024-11-25 04:39:09,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:39:09,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:39:09,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:39:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:39:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:39:09,778 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:39:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:39:09,803 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-11-25 04:39:09,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:39:09 ImpRootNode [2024-11-25 04:39:09,842 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:39:09,842 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:39:09,842 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:39:09,843 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:39:09,843 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:39:09" (3/4) ... [2024-11-25 04:39:09,847 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:39:09,848 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:39:09,852 INFO L158 Benchmark]: Toolchain (without parser) took 1789.61ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 86.6MB in the end (delta: 7.0MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-11-25 04:39:09,852 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 167.8MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:39:09,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.65ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 82.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:39:09,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.33ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 80.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:39:09,853 INFO L158 Benchmark]: Boogie Preprocessor took 36.37ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.6MB in the end (delta: 764.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:39:09,857 INFO L158 Benchmark]: RCFGBuilder took 659.11ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 55.1MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:39:09,858 INFO L158 Benchmark]: CodeCheck took 688.25ms. Allocated memory is still 117.4MB. Free memory was 55.1MB in the beginning and 86.7MB in the end (delta: -31.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:39:09,858 INFO L158 Benchmark]: Witness Printer took 6.27ms. Allocated memory is still 117.4MB. Free memory was 86.7MB in the beginning and 86.6MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:39:09,860 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 132 locations, 60 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 2 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 28 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of to_int at line 34, overapproximation of someBinaryDOUBLEComparisonOperation at line 28. Possible FailurePath: [L25] int r; [L26] double a, x, s; [L27] a = __VERIFIER_nondet_double() [L28] CALL assume_abort_if_not(a>=0 && a<=1) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=1) [L29] x = a [L30] s = 3.25 [L31] r = 1 VAL [r=1] [L34] EXPR 12*r VAL [r=1] [L34] EXPR 12*r*r VAL [r=1] [L34] (int)(4*s) - 12*r*r * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 167.8MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.65ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 82.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.33ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 80.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.37ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.6MB in the end (delta: 764.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 659.11ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 55.1MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 688.25ms. Allocated memory is still 117.4MB. Free memory was 55.1MB in the beginning and 86.7MB in the end (delta: -31.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.27ms. Allocated memory is still 117.4MB. Free memory was 86.7MB in the beginning and 86.6MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:39:09,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ff5daa36c47d3acf04ff127d3f9a6e17688f7f254f16d34cb2769aec1ca052fe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:39:12,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:39:12,898 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-25 04:39:12,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:39:12,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:39:12,950 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:39:12,950 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:39:12,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:39:12,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:39:12,951 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:39:12,951 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:39:12,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:39:12,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:39:12,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:39:12,951 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:39:12,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:39:12,952 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:39:12,952 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:39:12,952 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:39:12,952 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:39:12,952 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:39:12,952 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:39:12,952 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:39:12,952 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:39:12,953 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:39:12,953 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:39:12,953 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:39:12,953 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:39:12,953 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:39:12,953 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:39:12,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:39:12,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:39:12,954 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:39:12,954 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:39:12,954 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:39:12,954 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:39:12,954 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:39:12,954 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:39:12,954 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_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff5daa36c47d3acf04ff127d3f9a6e17688f7f254f16d34cb2769aec1ca052fe [2024-11-25 04:39:13,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:39:13,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:39:13,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:39:13,317 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:39:13,318 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:39:13,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c [2024-11-25 04:39:16,550 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/data/baa67ae0d/e896bc63036341109f835948d290452f/FLAGe0ec817c1 [2024-11-25 04:39:16,777 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:39:16,778 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c [2024-11-25 04:39:16,787 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/data/baa67ae0d/e896bc63036341109f835948d290452f/FLAGe0ec817c1 [2024-11-25 04:39:17,126 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/data/baa67ae0d/e896bc63036341109f835948d290452f [2024-11-25 04:39:17,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:39:17,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:39:17,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:39:17,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:39:17,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:39:17,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:39:17" (1/1) ... [2024-11-25 04:39:17,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@539675da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:17, skipping insertion in model container [2024-11-25 04:39:17,144 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:39:17" (1/1) ... [2024-11-25 04:39:17,159 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:39:17,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:39:17,375 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:39:17,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:39:17,441 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:39:17,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:17 WrapperNode [2024-11-25 04:39:17,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:39:17,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:39:17,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:39:17,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:39:17,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:17" (1/1) ... [2024-11-25 04:39:17,464 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:17" (1/1) ... [2024-11-25 04:39:17,493 INFO L138 Inliner]: procedures = 15, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2024-11-25 04:39:17,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:39:17,494 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:39:17,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:39:17,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:39:17,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:17" (1/1) ... [2024-11-25 04:39:17,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:17" (1/1) ... [2024-11-25 04:39:17,506 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:17" (1/1) ... [2024-11-25 04:39:17,506 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:17" (1/1) ... [2024-11-25 04:39:17,516 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:17" (1/1) ... [2024-11-25 04:39:17,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:17" (1/1) ... [2024-11-25 04:39:17,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:17" (1/1) ... [2024-11-25 04:39:17,522 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:17" (1/1) ... [2024-11-25 04:39:17,523 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:17" (1/1) ... [2024-11-25 04:39:17,526 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:39:17,527 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:39:17,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:39:17,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:39:17,529 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:17" (1/1) ... [2024-11-25 04:39:17,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:39:17,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:39:17,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:39:17,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:39:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:39:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:39:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:39:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:39:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:39:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:39:17,682 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:39:17,685 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:40:10,752 INFO L? ?]: Removed 77 outVars from TransFormulas that were not future-live. [2024-11-25 04:40:10,752 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:40:10,812 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:40:10,812 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:40:10,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:40:10 BoogieIcfgContainer [2024-11-25 04:40:10,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:40:10,813 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:40:10,814 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:40:10,824 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:40:10,825 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:40:10" (1/1) ... [2024-11-25 04:40:10,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:40:10,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:10,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 132 states and 138 transitions. [2024-11-25 04:40:10,894 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 138 transitions. [2024-11-25 04:40:10,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 04:40:10,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:10,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:10,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:10,900 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:10,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:40:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:11,040 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:11,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:40:11,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:11,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:11,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:40:11,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:11,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2024-11-25 04:40:11,194 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2024-11-25 04:40:11,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 04:40:11,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:11,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:11,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:11,197 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:11,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:40:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:11,303 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:11,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:40:11,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:11,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:11,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 04:40:11,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:11,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 134 states and 140 transitions. [2024-11-25 04:40:11,389 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 140 transitions. [2024-11-25 04:40:11,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:40:11,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:11,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:11,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:11,393 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:11,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 04:40:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:11,597 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:11,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:40:11,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:11,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:11,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-25 04:40:11,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:11,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2024-11-25 04:40:11,769 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2024-11-25 04:40:11,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:40:11,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:11,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:11,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:11,772 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:11,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 04:40:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:12,007 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:12,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:40:12,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:12,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:12,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 04:40:12,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:12,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 136 states and 142 transitions. [2024-11-25 04:40:12,288 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 142 transitions. [2024-11-25 04:40:12,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:40:12,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:12,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:12,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:12,291 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:12,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 04:40:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:12,549 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:12,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:40:12,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:13,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:13,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 04:40:14,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:14,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 141 states and 148 transitions. [2024-11-25 04:40:14,190 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2024-11-25 04:40:14,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:40:14,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:14,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:14,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:14,192 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:14,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 04:40:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:14,426 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:14,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:40:14,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:14,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:14,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 04:40:16,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:16,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 142 states and 150 transitions. [2024-11-25 04:40:16,424 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 150 transitions. [2024-11-25 04:40:16,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 04:40:16,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:16,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:16,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:16,429 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:16,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 04:40:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:16,681 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:16,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:40:16,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:16,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:16,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 04:40:19,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:40:20,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:20,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 144 states and 153 transitions. [2024-11-25 04:40:20,352 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 153 transitions. [2024-11-25 04:40:20,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:40:20,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:20,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:20,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:20,354 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:20,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 04:40:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:20,599 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:20,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:40:20,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:20,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:20,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-25 04:40:20,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:20,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 145 states and 154 transitions. [2024-11-25 04:40:20,816 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 154 transitions. [2024-11-25 04:40:20,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:40:20,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:20,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:20,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:20,818 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:20,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 04:40:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:21,141 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:21,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:40:21,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:21,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:21,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-25 04:40:21,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:21,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 146 states and 155 transitions. [2024-11-25 04:40:21,455 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 155 transitions. [2024-11-25 04:40:21,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 04:40:21,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:21,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:21,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:21,457 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:21,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 04:40:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:21,777 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:21,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:40:21,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:21,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:21,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-25 04:40:22,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:22,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 147 states and 156 transitions. [2024-11-25 04:40:22,200 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 156 transitions. [2024-11-25 04:40:22,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 04:40:22,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:22,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:22,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:22,202 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:22,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 04:40:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:22,564 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:22,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:40:22,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:22,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:22,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 04:40:23,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:23,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 148 states and 157 transitions. [2024-11-25 04:40:23,033 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 157 transitions. [2024-11-25 04:40:23,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 04:40:23,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:23,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:23,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:23,035 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:23,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 04:40:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:23,443 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:23,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:40:23,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:23,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:23,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 04:40:23,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:23,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 149 states and 158 transitions. [2024-11-25 04:40:23,899 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 158 transitions. [2024-11-25 04:40:23,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 04:40:23,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:23,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:23,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:23,901 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:23,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 04:40:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:24,283 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:24,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:40:24,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:24,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:24,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 04:40:24,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:24,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 150 states and 159 transitions. [2024-11-25 04:40:24,701 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 159 transitions. [2024-11-25 04:40:24,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 04:40:24,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:24,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:24,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:24,705 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:24,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 04:40:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:25,141 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:25,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:40:25,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:25,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:25,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-25 04:40:25,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:25,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 151 states and 161 transitions. [2024-11-25 04:40:25,553 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 161 transitions. [2024-11-25 04:40:25,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:40:25,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:25,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:25,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:25,556 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:25,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 04:40:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:25,988 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:26,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:40:26,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:26,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:26,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-25 04:40:26,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:26,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 153 states and 163 transitions. [2024-11-25 04:40:26,523 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2024-11-25 04:40:26,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 04:40:26,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:26,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:26,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:26,525 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:26,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 04:40:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:26,935 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:27,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:40:27,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:27,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:27,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-25 04:40:27,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:27,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 154 states and 164 transitions. [2024-11-25 04:40:27,453 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 164 transitions. [2024-11-25 04:40:27,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 04:40:27,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:27,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:27,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:27,458 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:27,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 04:40:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:27,914 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:28,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:40:28,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:28,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:28,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-25 04:40:28,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:28,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 155 states and 165 transitions. [2024-11-25 04:40:28,302 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 165 transitions. [2024-11-25 04:40:28,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 04:40:28,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:28,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:28,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:28,305 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:28,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 04:40:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:28,820 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:28,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:40:28,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:29,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:29,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-25 04:40:29,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:29,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 156 states and 166 transitions. [2024-11-25 04:40:29,270 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 166 transitions. [2024-11-25 04:40:29,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 04:40:29,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:29,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:29,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:29,275 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:29,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 04:40:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:29,732 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:29,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:40:29,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:30,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:30,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-25 04:40:30,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:30,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 157 states and 167 transitions. [2024-11-25 04:40:30,101 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 167 transitions. [2024-11-25 04:40:30,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 04:40:30,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:30,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:30,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:30,107 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:30,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 04:40:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:30,584 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:30,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:40:30,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:30,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:30,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-25 04:40:30,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:30,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 158 states and 169 transitions. [2024-11-25 04:40:30,987 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 169 transitions. [2024-11-25 04:40:30,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 04:40:30,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:30,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:30,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:30,991 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:30,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 04:40:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:31,453 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:31,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:40:31,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:31,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:31,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-25 04:40:31,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:31,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 160 states and 171 transitions. [2024-11-25 04:40:31,844 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 171 transitions. [2024-11-25 04:40:31,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 04:40:31,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:31,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:31,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:31,848 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:31,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 04:40:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:32,304 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:32,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:40:32,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:32,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:32,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-25 04:40:32,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:32,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 161 states and 172 transitions. [2024-11-25 04:40:32,775 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 172 transitions. [2024-11-25 04:40:32,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 04:40:32,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:32,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:32,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:32,778 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:32,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-25 04:40:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:33,590 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:33,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:40:33,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:34,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:34,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-25 04:40:42,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:40:44,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:40:44,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:44,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 162 states and 173 transitions. [2024-11-25 04:40:44,768 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 173 transitions. [2024-11-25 04:40:44,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 04:40:44,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:44,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:44,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:44,772 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:44,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-25 04:40:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:45,873 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:53,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:40:53,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:55,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:55,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-25 04:40:58,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:41:06,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:41:17,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:41:27,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:41:32,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:41:42,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:41:52,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:42:00,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.04s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:42:01,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:42:11,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:42:21,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:42:26,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.32s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:42:36,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:42:46,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:42:50,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:42:55,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:43:04,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.78s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:43:10,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:43:13,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:43:13,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:43:13,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 189 states and 216 transitions. [2024-11-25 04:43:13,122 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 216 transitions. [2024-11-25 04:43:13,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 04:43:13,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:43:13,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:43:13,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:43:13,132 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:43:13,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-25 04:43:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:43:13,885 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:43:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:43:14,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 04:43:14,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:43:15,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:43:15,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-25 04:43:20,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:43:25,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:43:33,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.70s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:43:34,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:43:34,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 191 states and 222 transitions. [2024-11-25 04:43:34,194 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 222 transitions. [2024-11-25 04:43:34,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-25 04:43:34,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:43:34,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:43:34,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:43:34,201 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:43:34,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-25 04:43:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:43:34,893 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:43:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:43:35,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:43:35,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:43:36,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:43:36,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-25 04:43:42,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:43:45,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:43:52,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:44:01,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.80s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:44:02,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:44:02,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 194 states and 229 transitions. [2024-11-25 04:44:02,028 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 229 transitions. [2024-11-25 04:44:02,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 04:44:02,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:44:02,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:44:02,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:44:02,031 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:44:02,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-25 04:44:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:44:02,806 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:44:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:44:03,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:44:03,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:44:03,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:44:03,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-25 04:44:08,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:44:15,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:44:17,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:44:20,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:44:25,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:44:27,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:44:28,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:44:28,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 198 states and 237 transitions. [2024-11-25 04:44:28,416 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 237 transitions. [2024-11-25 04:44:28,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 04:44:28,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:44:28,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:44:28,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:44:28,418 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:44:28,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-25 04:44:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:44:29,126 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:44:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:44:29,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:44:29,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:44:29,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:44:29,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-25 04:44:30,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:44:30,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 199 states and 238 transitions. [2024-11-25 04:44:30,005 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 238 transitions. [2024-11-25 04:44:30,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-25 04:44:30,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:44:30,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:44:30,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:44:30,010 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:44:30,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-25 04:44:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:44:30,391 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:44:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:44:31,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:44:31,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:44:32,043 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:44:32,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-25 04:44:42,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:44:52,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:45:02,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:45:12,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:45:23,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:45:33,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:45:43,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:45:53,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:46:03,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:46:13,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:46:23,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:46:33,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:46:33,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:46:33,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 202 states and 245 transitions. [2024-11-25 04:46:33,386 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 245 transitions. [2024-11-25 04:46:33,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-25 04:46:33,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:46:33,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:46:33,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:46:33,389 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:46:33,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-25 04:46:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:46:33,700 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:46:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:46:34,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:46:34,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:46:35,381 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:46:35,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-25 04:46:46,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:46:56,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:47:06,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:47:16,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:47:26,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:47:36,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:47:46,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:47:56,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:48:06,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:48:17,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:48:27,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:48:37,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:48:37,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:37,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 205 states and 252 transitions. [2024-11-25 04:48:37,207 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 252 transitions. [2024-11-25 04:48:37,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 04:48:37,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:37,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:48:37,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:48:37,212 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:48:37,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-25 04:48:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:37,486 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:48:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:38,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:48:38,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:48:39,000 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:48:39,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-25 04:48:50,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:49:00,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:49:10,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:49:20,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:49:30,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:49:40,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:49:50,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:50:00,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:50:10,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:50:20,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:50:30,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:50:40,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:50:43,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:50:43,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:43,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 204 states and 251 transitions. [2024-11-25 04:50:43,673 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 251 transitions. [2024-11-25 04:50:43,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 04:50:43,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:43,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:43,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:43,676 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:43,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-25 04:50:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:43,917 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:44,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:50:44,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:45,516 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:50:45,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-25 04:50:56,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:51:06,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:51:16,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:51:26,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:51:37,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:51:47,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:51:57,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:52:07,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:52:17,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:52:28,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:52:38,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:52:48,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:52:48,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:48,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 203 states and 250 transitions. [2024-11-25 04:52:48,261 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 250 transitions. [2024-11-25 04:52:48,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 04:52:48,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:48,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:48,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:48,265 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:48,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-25 04:52:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:48,567 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:49,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 04:52:49,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:49,100 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:52:49,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-25 04:52:49,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:49,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 202 states and 249 transitions. [2024-11-25 04:52:49,114 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 249 transitions. [2024-11-25 04:52:49,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 04:52:49,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:49,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:49,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:49,119 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:49,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-25 04:52:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:49,398 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:49,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:52:49,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:35,533 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:53:35,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93f2b85-e53b-4138-bac7-6cd78417a8e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-25 04:54:16,574 WARN L286 SmtUtils]: Spent 10.70s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:54:26,585 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ sign_extend 31) |c_ULTIMATE.start_main_~r~0#1|))) (let ((.cse0 (bvmul (_ bv12 63) .cse1))) (and (bvsle .cse0 (_ bv2147483647 63)) (bvsle (_ bv9223372034707292160 63) .cse0) (not (bvsle (_ bv9223372034707292160 63) (bvmul .cse1 ((_ sign_extend 31) (bvmul (_ bv12 32) |c_ULTIMATE.start_main_~r~0#1|)))))))) is different from false