./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound20.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_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/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_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/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_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/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 53908028cfc42f68f62c10378662b57f64149241c563947e258b97b254c402b4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:49:07,343 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:49:07,463 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 03:49:07,470 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:49:07,472 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:49:07,514 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:49:07,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:49:07,517 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:49:07,517 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:49:07,518 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:49:07,518 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:49:07,519 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:49:07,519 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:49:07,519 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:49:07,520 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:49:07,520 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:49:07,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:49:07,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:49:07,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:49:07,522 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:49:07,522 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:49:07,522 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:49:07,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:49:07,522 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:49:07,522 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:49:07,523 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:49:07,523 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:49:07,523 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:49:07,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:49:07,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:49:07,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:49:07,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:49:07,523 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:49:07,523 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:49:07,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:49:07,523 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_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/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 -> 53908028cfc42f68f62c10378662b57f64149241c563947e258b97b254c402b4 [2024-11-25 03:49:07,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:49:07,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:49:07,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:49:07,889 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:49:07,890 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:49:07,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound20.c [2024-11-25 03:49:11,000 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/data/3283b2ed1/f2c62c8edb2e49859480a520e8061234/FLAG2e426c71c [2024-11-25 03:49:11,279 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:49:11,284 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound20.c [2024-11-25 03:49:11,294 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/data/3283b2ed1/f2c62c8edb2e49859480a520e8061234/FLAG2e426c71c [2024-11-25 03:49:11,614 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/data/3283b2ed1/f2c62c8edb2e49859480a520e8061234 [2024-11-25 03:49:11,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:49:11,618 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:49:11,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:49:11,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:49:11,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:49:11,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:49:11" (1/1) ... [2024-11-25 03:49:11,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55c69f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:11, skipping insertion in model container [2024-11-25 03:49:11,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:49:11" (1/1) ... [2024-11-25 03:49:11,641 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:49:11,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:49:11,813 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:49:11,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:49:11,847 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:49:11,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:11 WrapperNode [2024-11-25 03:49:11,848 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:49:11,849 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:49:11,849 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:49:11,849 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:49:11,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:11" (1/1) ... [2024-11-25 03:49:11,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:11" (1/1) ... [2024-11-25 03:49:11,906 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2024-11-25 03:49:11,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:49:11,910 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:49:11,910 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:49:11,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:49:11,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:11" (1/1) ... [2024-11-25 03:49:11,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:11" (1/1) ... [2024-11-25 03:49:11,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:11" (1/1) ... [2024-11-25 03:49:11,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:11" (1/1) ... [2024-11-25 03:49:11,930 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:11" (1/1) ... [2024-11-25 03:49:11,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:11" (1/1) ... [2024-11-25 03:49:11,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:11" (1/1) ... [2024-11-25 03:49:11,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:11" (1/1) ... [2024-11-25 03:49:11,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:11" (1/1) ... [2024-11-25 03:49:11,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:49:11,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:49:11,955 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:49:11,955 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:49:11,956 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:11" (1/1) ... [2024-11-25 03:49:11,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:49:11,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:49:12,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:49:12,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:49:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:49:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:49:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:49:12,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:49:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:49:12,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:49:12,091 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:49:12,093 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:49:12,623 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-11-25 03:49:12,624 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:49:12,677 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:49:12,677 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:49:12,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:49:12 BoogieIcfgContainer [2024-11-25 03:49:12,678 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:49:12,678 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:49:12,679 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:49:12,690 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:49:12,690 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:49:12" (1/1) ... [2024-11-25 03:49:12,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:49:12,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:49:12,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 132 states and 138 transitions. [2024-11-25 03:49:12,751 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 138 transitions. [2024-11-25 03:49:12,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 03:49:12,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:49:12,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:49:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:49:12,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:49:12,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:49:12,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2024-11-25 03:49:12,953 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2024-11-25 03:49:12,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 03:49:12,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:49:12,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:49:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:49:12,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:49:13,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:49:13,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 134 states and 140 transitions. [2024-11-25 03:49:13,022 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 140 transitions. [2024-11-25 03:49:13,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:49:13,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:49:13,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:49:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:49:13,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:49:13,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:49:13,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2024-11-25 03:49:13,063 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2024-11-25 03:49:13,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:49:13,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:49:13,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:49:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:49:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:49:13,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 03:49:13,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:49:13,160 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 03:49:13,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:49:13,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2024-11-25 03:49:13,194 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2024-11-25 03:49:13,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:49:13,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:49:13,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:49:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:49:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:49:13,240 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:49:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:49:13,259 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-11-25 03:49:13,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:49:13 ImpRootNode [2024-11-25 03:49:13,285 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:49:13,285 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:49:13,285 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:49:13,286 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:49:13,286 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:49:12" (3/4) ... [2024-11-25 03:49:13,291 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:49:13,291 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:49:13,292 INFO L158 Benchmark]: Toolchain (without parser) took 1674.16ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 85.7MB in the end (delta: 6.4MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-11-25 03:49:13,292 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:49:13,293 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.07ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 80.6MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:49:13,293 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.07ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 78.6MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:49:13,293 INFO L158 Benchmark]: Boogie Preprocessor took 40.67ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 77.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:49:13,294 INFO L158 Benchmark]: RCFGBuilder took 722.87ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 54.1MB in the end (delta: 23.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:49:13,294 INFO L158 Benchmark]: CodeCheck took 606.34ms. Allocated memory is still 117.4MB. Free memory was 54.1MB in the beginning and 85.8MB in the end (delta: -31.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:49:13,294 INFO L158 Benchmark]: Witness Printer took 5.94ms. Allocated memory is still 117.4MB. Free memory was 85.8MB in the beginning and 85.7MB in the end (delta: 14.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:49:13,301 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<=20) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=20) [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 0.36ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.07ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 80.6MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.07ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 78.6MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.67ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 77.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 722.87ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 54.1MB in the end (delta: 23.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 606.34ms. Allocated memory is still 117.4MB. Free memory was 54.1MB in the beginning and 85.8MB in the end (delta: -31.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.94ms. Allocated memory is still 117.4MB. Free memory was 85.8MB in the beginning and 85.7MB in the end (delta: 14.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:49:13,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/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_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/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_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/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_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/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 53908028cfc42f68f62c10378662b57f64149241c563947e258b97b254c402b4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:49:15,933 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:49:16,075 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-25 03:49:16,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:49:16,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:49:16,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:49:16,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:49:16,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:49:16,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:49:16,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:49:16,132 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:49:16,132 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:49:16,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:49:16,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:49:16,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:49:16,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:49:16,133 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:49:16,133 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:49:16,133 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:49:16,134 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:49:16,134 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:49:16,134 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:49:16,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:49:16,134 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:49:16,134 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:49:16,135 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:49:16,135 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:49:16,135 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:49:16,135 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:49:16,135 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:49:16,135 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:49:16,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:49:16,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:49:16,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:49:16,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:49:16,135 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:49:16,136 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:49:16,136 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:49:16,136 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_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/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 -> 53908028cfc42f68f62c10378662b57f64149241c563947e258b97b254c402b4 [2024-11-25 03:49:16,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:49:16,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:49:16,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:49:16,509 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:49:16,510 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:49:16,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound20.c [2024-11-25 03:49:19,667 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/data/f4a958379/ae37c3aa8b30464a8bf0427cc0b6781f/FLAG5596a4e25 [2024-11-25 03:49:19,945 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:49:19,946 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound20.c [2024-11-25 03:49:19,970 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/data/f4a958379/ae37c3aa8b30464a8bf0427cc0b6781f/FLAG5596a4e25 [2024-11-25 03:49:20,005 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/data/f4a958379/ae37c3aa8b30464a8bf0427cc0b6781f [2024-11-25 03:49:20,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:49:20,013 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:49:20,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:49:20,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:49:20,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:49:20,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:49:20" (1/1) ... [2024-11-25 03:49:20,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb152a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:20, skipping insertion in model container [2024-11-25 03:49:20,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:49:20" (1/1) ... [2024-11-25 03:49:20,044 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:49:20,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:49:20,302 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:49:20,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:49:20,390 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:49:20,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:20 WrapperNode [2024-11-25 03:49:20,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:49:20,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:49:20,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:49:20,394 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:49:20,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:20" (1/1) ... [2024-11-25 03:49:20,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:20" (1/1) ... [2024-11-25 03:49:20,443 INFO L138 Inliner]: procedures = 15, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2024-11-25 03:49:20,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:49:20,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:49:20,444 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:49:20,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:49:20,458 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:20" (1/1) ... [2024-11-25 03:49:20,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:20" (1/1) ... [2024-11-25 03:49:20,462 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:20" (1/1) ... [2024-11-25 03:49:20,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:20" (1/1) ... [2024-11-25 03:49:20,475 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:20" (1/1) ... [2024-11-25 03:49:20,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:20" (1/1) ... [2024-11-25 03:49:20,480 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:20" (1/1) ... [2024-11-25 03:49:20,483 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:20" (1/1) ... [2024-11-25 03:49:20,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:20" (1/1) ... [2024-11-25 03:49:20,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:49:20,489 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:49:20,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:49:20,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:49:20,491 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:20" (1/1) ... [2024-11-25 03:49:20,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:49:20,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:49:20,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:49:20,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:49:20,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:49:20,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:49:20,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:49:20,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:49:20,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:49:20,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:49:20,664 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:49:20,667 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:50:21,760 INFO L? ?]: Removed 77 outVars from TransFormulas that were not future-live. [2024-11-25 03:50:21,761 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:50:21,835 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:50:21,836 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:50:21,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:50:21 BoogieIcfgContainer [2024-11-25 03:50:21,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:50:21,838 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:50:21,838 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:50:21,849 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:50:21,850 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:50:21" (1/1) ... [2024-11-25 03:50:21,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:50:21,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:21,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 132 states and 138 transitions. [2024-11-25 03:50:21,930 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 138 transitions. [2024-11-25 03:50:21,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 03:50:21,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:21,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:50:21,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:50:21,940 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:50:21,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:50:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:22,086 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:50:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:22,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:50:22,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:50:22,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:22,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 03:50:22,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:22,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2024-11-25 03:50:22,290 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2024-11-25 03:50:22,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 03:50:22,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:22,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:50:22,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:50:22,293 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:50:22,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:50:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:22,426 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:50:22,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:22,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:50:22,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:50:22,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:22,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 03:50:22,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:22,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 134 states and 140 transitions. [2024-11-25 03:50:22,510 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 140 transitions. [2024-11-25 03:50:22,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:50:22,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:22,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:50:22,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:50:22,513 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:50:22,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 03:50:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:22,704 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:50:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:22,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:50:22,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:50:22,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:22,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-25 03:50:23,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:23,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2024-11-25 03:50:23,038 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2024-11-25 03:50:23,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:50:23,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:23,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:50:23,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:50:23,041 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:50:23,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 03:50:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:23,227 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:50:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:23,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:50:23,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:50:23,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:23,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 03:50:23,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:23,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 136 states and 142 transitions. [2024-11-25 03:50:23,586 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 142 transitions. [2024-11-25 03:50:23,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:50:23,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:23,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:50:23,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:50:23,592 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:50:23,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 03:50:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:23,832 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:50:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:23,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:50:23,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:50:24,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:24,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 03:50:26,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:26,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 141 states and 148 transitions. [2024-11-25 03:50:26,324 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2024-11-25 03:50:26,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:50:26,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:26,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:50:26,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:50:26,326 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:50:26,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 03:50:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:26,553 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:50:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:26,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:50:26,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:50:26,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:26,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 03:50:29,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:29,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 142 states and 150 transitions. [2024-11-25 03:50:29,180 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 150 transitions. [2024-11-25 03:50:29,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:50:29,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:29,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:50:29,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:50:29,186 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:50:29,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 03:50:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:29,465 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:50:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:29,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:50:29,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:50:29,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:29,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 03:50:30,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:50:31,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:31,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 144 states and 153 transitions. [2024-11-25 03:50:31,574 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 153 transitions. [2024-11-25 03:50:31,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 03:50:31,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:31,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:50:31,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:50:31,577 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:50:31,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 03:50:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:31,867 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:50:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:31,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:50:31,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:50:32,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:32,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 03:50:32,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:32,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 145 states and 154 transitions. [2024-11-25 03:50:32,095 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 154 transitions. [2024-11-25 03:50:32,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:50:32,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:32,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:50:32,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:50:32,101 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:50:32,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 03:50:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:32,417 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:50:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:32,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:50:32,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:50:32,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:32,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 03:50:32,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:32,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 146 states and 155 transitions. [2024-11-25 03:50:32,735 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 155 transitions. [2024-11-25 03:50:32,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 03:50:32,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:32,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:50:32,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:50:32,738 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:50:32,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 03:50:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:33,010 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:50:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:33,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:50:33,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:50:33,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:33,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 03:50:33,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:33,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 147 states and 156 transitions. [2024-11-25 03:50:33,986 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 156 transitions. [2024-11-25 03:50:33,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 03:50:33,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:33,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:50:33,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:50:33,991 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:50:33,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 03:50:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:34,425 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:50:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:34,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:50:34,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:50:34,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:34,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-25 03:50:34,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:34,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 148 states and 157 transitions. [2024-11-25 03:50:34,933 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 157 transitions. [2024-11-25 03:50:34,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 03:50:34,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:34,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:50:34,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:50:34,936 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:50:34,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 03:50:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:35,385 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:50:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:35,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:50:35,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:50:35,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:35,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 03:50:36,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:36,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 149 states and 158 transitions. [2024-11-25 03:50:36,011 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 158 transitions. [2024-11-25 03:50:36,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:50:36,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:36,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:50:36,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:50:36,015 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:50:36,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 03:50:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:36,560 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:50:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:36,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:50:36,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:50:36,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:36,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 03:50:36,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:36,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 150 states and 159 transitions. [2024-11-25 03:50:36,915 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 159 transitions. [2024-11-25 03:50:36,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 03:50:36,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:36,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:50:36,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:50:36,919 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:50:36,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 03:50:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:37,531 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:50:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:37,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 03:50:37,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:50:38,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:38,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-25 03:50:38,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:38,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 151 states and 161 transitions. [2024-11-25 03:50:38,373 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 161 transitions. [2024-11-25 03:50:38,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:50:38,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:38,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:50:38,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:50:38,380 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:50:38,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 03:50:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:38,766 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:50:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:38,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:50:38,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:50:39,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:39,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-25 03:50:39,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:39,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 153 states and 163 transitions. [2024-11-25 03:50:39,408 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2024-11-25 03:50:39,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 03:50:39,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:39,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:50:39,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:50:39,411 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:50:39,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 03:50:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:39,904 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:50:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:40,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:50:40,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:50:40,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:40,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-25 03:50:40,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:40,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 154 states and 164 transitions. [2024-11-25 03:50:40,528 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 164 transitions. [2024-11-25 03:50:40,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 03:50:40,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:40,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:50:40,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:50:40,533 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:50:40,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 03:50:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:41,057 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:50:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:41,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:50:41,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:50:41,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:41,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-25 03:50:41,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:41,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 155 states and 165 transitions. [2024-11-25 03:50:41,501 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 165 transitions. [2024-11-25 03:50:41,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 03:50:41,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:41,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:50:41,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:50:41,503 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:50:41,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 03:50:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:41,905 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:50:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:42,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:50:42,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:50:42,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:42,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-25 03:50:42,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:42,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 156 states and 166 transitions. [2024-11-25 03:50:42,366 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 166 transitions. [2024-11-25 03:50:42,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:50:42,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:42,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:50:42,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:50:42,371 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:50:42,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 03:50:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:42,962 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:50:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:43,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:50:43,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:50:43,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:43,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-25 03:50:43,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:43,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 157 states and 167 transitions. [2024-11-25 03:50:43,396 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 167 transitions. [2024-11-25 03:50:43,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 03:50:43,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:43,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:50:43,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:50:43,400 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:50:43,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 03:50:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:43,903 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:50:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:44,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:50:44,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:50:44,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:44,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-25 03:50:44,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:44,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 158 states and 169 transitions. [2024-11-25 03:50:44,524 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 169 transitions. [2024-11-25 03:50:44,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:50:44,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:44,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:50:44,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:50:44,527 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:50:44,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 03:50:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:44,997 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:50:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:45,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:50:45,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:50:45,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:45,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-25 03:50:45,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:45,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 160 states and 171 transitions. [2024-11-25 03:50:45,592 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 171 transitions. [2024-11-25 03:50:45,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 03:50:45,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:45,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:50:45,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:50:45,595 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:50:45,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 03:50:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:46,100 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:50:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:46,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:50:46,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:50:46,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:46,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-25 03:50:46,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:46,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 161 states and 172 transitions. [2024-11-25 03:50:46,580 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 172 transitions. [2024-11-25 03:50:46,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 03:50:46,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:46,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:50:46,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:50:46,583 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:50:46,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-25 03:50:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:47,544 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:50:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:47,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:50:47,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:50:48,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:48,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-25 03:50:55,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:51:01,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:51:01,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:51:01,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 162 states and 173 transitions. [2024-11-25 03:51:01,759 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 173 transitions. [2024-11-25 03:51:01,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:51:01,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:51:01,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:51:01,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:51:01,762 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:51:01,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-25 03:51:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:51:02,966 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:51:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:51:10,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:51:10,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:51:13,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:51:13,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-25 03:51:22,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:51:32,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:51:42,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:51:47,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.76s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:51:49,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:52:00,062 WARN L539 Checker$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 03:52:10,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:52:12,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:52:17,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.33s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:52:28,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:52:38,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:52:44,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.15s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:52:54,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:53:04,885 WARN L539 Checker$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 03:53:09,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:53:19,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.44s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:53:22,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:53:25,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:53:28,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:53:28,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:28,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 189 states and 216 transitions. [2024-11-25 03:53:28,715 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 216 transitions. [2024-11-25 03:53:28,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 03:53:28,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:28,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:28,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:28,721 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:28,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-25 03:53:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:29,468 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:29,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 03:53:29,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:30,499 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 03:53:30,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-25 03:53:37,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:53:43,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:53:48,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.24s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:53:51,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:53:54,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.65s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:53:55,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:55,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 191 states and 222 transitions. [2024-11-25 03:53:55,084 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 222 transitions. [2024-11-25 03:53:55,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-25 03:53:55,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:55,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:55,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:55,088 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:55,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-25 03:53:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:55,915 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:56,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:53:56,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:57,406 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 03:53:57,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-25 03:54:01,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:54:04,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:54:05,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:54:10,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:54:17,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.89s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:54:21,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.84s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:54:26,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.52s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:54:26,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:26,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 194 states and 229 transitions. [2024-11-25 03:54:26,973 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 229 transitions. [2024-11-25 03:54:26,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 03:54:26,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:26,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:26,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:26,975 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:26,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-25 03:54:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:27,535 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:27,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:54:27,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:28,214 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 03:54:28,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-25 03:54:34,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:54:36,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:54:42,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:54:45,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:54:49,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.56s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:54:53,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:54:56,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:54:56,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:56,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 198 states and 237 transitions. [2024-11-25 03:54:56,926 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 237 transitions. [2024-11-25 03:54:56,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 03:54:56,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:56,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:56,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:56,931 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:56,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-25 03:54:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:57,591 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:57,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:54:57,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:58,610 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 03:54:58,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-25 03:54:58,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:58,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 199 states and 238 transitions. [2024-11-25 03:54:58,723 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 238 transitions. [2024-11-25 03:54:58,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-25 03:54:58,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:58,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:58,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:58,730 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:58,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-25 03:54:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:59,137 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:00,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:55:00,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:01,284 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 03:55:01,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-25 03:55:12,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:55:22,056 WARN L539 Checker$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 03:55:32,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:55:42,074 WARN L539 Checker$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 03:55:52,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:56:02,404 WARN L539 Checker$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 03:56:12,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:56:22,417 WARN L539 Checker$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 03:56:32,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:56:42,432 WARN L539 Checker$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 03:56:52,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:57:02,453 WARN L539 Checker$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 03:57:02,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:02,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 202 states and 245 transitions. [2024-11-25 03:57:02,596 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 245 transitions. [2024-11-25 03:57:02,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-25 03:57:02,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:02,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:02,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:02,599 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:02,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-25 03:57:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:02,832 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:03,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:57:03,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:04,317 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 03:57:04,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-25 03:57:15,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:57:25,336 WARN L539 Checker$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 03:57:35,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:57:45,355 WARN L539 Checker$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 03:57:55,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:58:05,722 WARN L539 Checker$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 03:58:15,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:58:25,745 WARN L539 Checker$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 03:58:35,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:58:45,792 WARN L539 Checker$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 03:58:55,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:59:05,822 WARN L539 Checker$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 03:59:05,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:05,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 205 states and 252 transitions. [2024-11-25 03:59:05,962 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 252 transitions. [2024-11-25 03:59:05,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 03:59:05,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:05,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:59:05,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:59:05,965 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:59:05,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-25 03:59:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:06,280 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:59:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:06,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:59:06,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:07,720 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 03:59:07,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-25 03:59:19,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:59:29,116 WARN L539 Checker$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 03:59:39,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:59:49,128 WARN L539 Checker$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 03:59:59,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:00:09,455 WARN L539 Checker$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 04:00:19,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:00:29,470 WARN L539 Checker$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 04:00:39,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:00:49,498 WARN L539 Checker$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 04:00:59,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:01:09,524 WARN L539 Checker$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 04:01:12,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:01:13,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:13,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 204 states and 251 transitions. [2024-11-25 04:01:13,047 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 251 transitions. [2024-11-25 04:01:13,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 04:01:13,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:13,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:01:13,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:01:13,049 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:01:13,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-25 04:01:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:13,274 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:01:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:13,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:01:13,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:01:14,928 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 04:01:14,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-25 04:01:26,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:01:36,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:01:46,281 WARN L539 Checker$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 04:01:56,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:02:06,628 WARN L539 Checker$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 04:02:16,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:02:26,641 WARN L539 Checker$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 04:02:36,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:02:47,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:02:57,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:03:07,156 WARN L539 Checker$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 04:03:17,191 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 04:03:17,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:17,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 203 states and 250 transitions. [2024-11-25 04:03:17,418 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 250 transitions. [2024-11-25 04:03:17,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 04:03:17,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:17,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:17,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:17,422 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:17,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-25 04:03:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:17,718 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:18,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 04:03:18,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:18,286 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 04:03:18,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-25 04:03:18,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:18,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 202 states and 249 transitions. [2024-11-25 04:03:18,300 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 249 transitions. [2024-11-25 04:03:18,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 04:03:18,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:18,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:18,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:18,306 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:18,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-25 04:03:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:18,545 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:19,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:03:19,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:00,797 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 04:04:00,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3f65b-84d8-4c00-99c7-07ec1af2a19e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0