./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash acf998c27a5d4b83a2feddb35e0896b9221e58140057280398a3180f484cbd82 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:11:51,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:11:51,307 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 21:11:51,312 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:11:51,312 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:11:51,352 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:11:51,353 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:11:51,353 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:11:51,353 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:11:51,353 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:11:51,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:11:51,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:11:51,354 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:11:51,354 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:11:51,354 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:11:51,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:11:51,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:11:51,354 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:11:51,354 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:11:51,357 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:11:51,357 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:11:51,357 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:11:51,357 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:11:51,357 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:11:51,357 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:11:51,358 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:11:51,358 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:11:51,358 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:11:51,358 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:11:51,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:11:51,358 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:11:51,358 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:11:51,358 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:11:51,358 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:11:51,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:11:51,358 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_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> acf998c27a5d4b83a2feddb35e0896b9221e58140057280398a3180f484cbd82 [2024-11-13 21:11:51,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:11:51,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:11:51,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:11:51,673 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:11:51,673 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:11:51,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c Unable to find full path for "g++" [2024-11-13 21:11:53,523 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:11:53,797 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:11:53,798 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c [2024-11-13 21:11:53,817 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/data/3f9363bac/e3d31da503014d07b0d6a7c55e1ae5a5/FLAG2bff3e87e [2024-11-13 21:11:53,832 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/data/3f9363bac/e3d31da503014d07b0d6a7c55e1ae5a5 [2024-11-13 21:11:53,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:11:53,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:11:53,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:11:53,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:11:53,843 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:11:53,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:11:53" (1/1) ... [2024-11-13 21:11:53,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69a907d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:53, skipping insertion in model container [2024-11-13 21:11:53,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:11:53" (1/1) ... [2024-11-13 21:11:53,864 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:11:54,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:11:54,071 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:11:54,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:11:54,120 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:11:54,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:54 WrapperNode [2024-11-13 21:11:54,120 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:11:54,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:11:54,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:11:54,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:11:54,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:54" (1/1) ... [2024-11-13 21:11:54,140 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:54" (1/1) ... [2024-11-13 21:11:54,177 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2024-11-13 21:11:54,178 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:11:54,178 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:11:54,182 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:11:54,182 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:11:54,190 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:54" (1/1) ... [2024-11-13 21:11:54,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:54" (1/1) ... [2024-11-13 21:11:54,195 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:54" (1/1) ... [2024-11-13 21:11:54,195 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:54" (1/1) ... [2024-11-13 21:11:54,204 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:54" (1/1) ... [2024-11-13 21:11:54,207 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:54" (1/1) ... [2024-11-13 21:11:54,208 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:54" (1/1) ... [2024-11-13 21:11:54,208 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:54" (1/1) ... [2024-11-13 21:11:54,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:11:54,218 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:11:54,218 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:11:54,218 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:11:54,219 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:54" (1/1) ... [2024-11-13 21:11:54,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:11:54,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:11:54,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:11:54,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:11:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:11:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:11:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:11:54,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:11:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:11:54,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:11:54,366 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:11:54,367 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:11:54,815 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-11-13 21:11:54,815 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:11:54,874 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:11:54,875 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:11:54,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:11:54 BoogieIcfgContainer [2024-11-13 21:11:54,875 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:11:54,876 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:11:54,876 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:11:54,893 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:11:54,893 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:11:54" (1/1) ... [2024-11-13 21:11:54,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:11:54,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:54,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2024-11-13 21:11:54,955 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2024-11-13 21:11:54,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:11:54,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:54,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:55,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:11:55,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:55,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2024-11-13 21:11:55,184 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2024-11-13 21:11:55,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:11:55,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:55,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:55,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:11:55,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:55,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 136 states and 142 transitions. [2024-11-13 21:11:55,271 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 142 transitions. [2024-11-13 21:11:55,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:11:55,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:55,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:55,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:11:55,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:55,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2024-11-13 21:11:55,309 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2024-11-13 21:11:55,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:11:55,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:55,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:11:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:55,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:11:55,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:11:55,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:11:55,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:55,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 137 states and 143 transitions. [2024-11-13 21:11:55,426 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 143 transitions. [2024-11-13 21:11:55,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:11:55,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:55,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:11:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:11:55,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:11:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:11:55,482 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-11-13 21:11:55,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:11:55 ImpRootNode [2024-11-13 21:11:55,509 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:11:55,510 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:11:55,510 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:11:55,510 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:11:55,511 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:11:54" (3/4) ... [2024-11-13 21:11:55,513 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:11:55,514 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:11:55,517 INFO L158 Benchmark]: Toolchain (without parser) took 1678.45ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 95.0MB in the beginning and 323.3MB in the end (delta: -228.3MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-11-13 21:11:55,518 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:11:55,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.70ms. Allocated memory is still 117.4MB. Free memory was 95.0MB in the beginning and 83.7MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:11:55,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.74ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 81.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:11:55,519 INFO L158 Benchmark]: Boogie Preprocessor took 39.12ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.9MB in the end (delta: 893.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:11:55,519 INFO L158 Benchmark]: RCFGBuilder took 657.31ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 57.1MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:11:55,522 INFO L158 Benchmark]: CodeCheck took 633.44ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 57.1MB in the beginning and 323.3MB in the end (delta: -266.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:11:55,522 INFO L158 Benchmark]: Witness Printer took 4.32ms. Allocated memory is still 352.3MB. Free memory was 323.3MB in the beginning and 323.3MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:11:55,524 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, 133 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, 34 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 10 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 109 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, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 29 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 - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of to_int at line 34, overapproximation of someBinaryDOUBLEComparisonOperation at line 28. Possible FailurePath: [L25] int r; [L26] double a, x, s; [L27] a = __VERIFIER_nondet_double() [L28] CALL assume_abort_if_not(a>=0 && a<=50) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=50) [L29] x = a [L30] s = 3.25 [L31] r = 1 VAL [r=1] [L33] COND TRUE 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 0.27ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.70ms. Allocated memory is still 117.4MB. Free memory was 95.0MB in the beginning and 83.7MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.74ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 81.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.12ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.9MB in the end (delta: 893.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 657.31ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 57.1MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 633.44ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 57.1MB in the beginning and 323.3MB in the end (delta: -266.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.32ms. Allocated memory is still 352.3MB. Free memory was 323.3MB in the beginning and 323.3MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:11:55,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash acf998c27a5d4b83a2feddb35e0896b9221e58140057280398a3180f484cbd82 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:11:58,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:11:58,314 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-13 21:11:58,342 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:11:58,343 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:11:58,343 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:11:58,344 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:11:58,344 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:11:58,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:11:58,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:11:58,344 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:11:58,344 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:11:58,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:11:58,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:11:58,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:11:58,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:11:58,345 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:11:58,345 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:11:58,345 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:11:58,346 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:11:58,346 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:11:58,346 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:11:58,346 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:11:58,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:11:58,346 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:11:58,346 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:11:58,347 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:11:58,347 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:11:58,347 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:11:58,347 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:11:58,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:11:58,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:11:58,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:11:58,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:11:58,348 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:11:58,348 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:11:58,348 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:11:58,348 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:11:58,349 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_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> acf998c27a5d4b83a2feddb35e0896b9221e58140057280398a3180f484cbd82 [2024-11-13 21:11:58,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:11:58,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:11:58,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:11:58,658 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:11:58,659 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:11:58,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c Unable to find full path for "g++" [2024-11-13 21:12:00,576 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:12:00,819 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:12:00,820 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c [2024-11-13 21:12:00,834 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/data/dcd34b413/b3a2c22143c345d593df8f1f806269c9/FLAGafccf703d [2024-11-13 21:12:00,852 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/data/dcd34b413/b3a2c22143c345d593df8f1f806269c9 [2024-11-13 21:12:00,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:12:00,856 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:12:00,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:12:00,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:12:00,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:12:00,864 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:12:00" (1/1) ... [2024-11-13 21:12:00,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1982a4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:00, skipping insertion in model container [2024-11-13 21:12:00,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:12:00" (1/1) ... [2024-11-13 21:12:00,881 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:12:01,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:12:01,102 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:12:01,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:12:01,167 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:12:01,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:01 WrapperNode [2024-11-13 21:12:01,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:12:01,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:12:01,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:12:01,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:12:01,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:01" (1/1) ... [2024-11-13 21:12:01,186 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:01" (1/1) ... [2024-11-13 21:12:01,218 INFO L138 Inliner]: procedures = 15, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2024-11-13 21:12:01,222 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:12:01,223 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:12:01,223 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:12:01,223 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:12:01,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:01" (1/1) ... [2024-11-13 21:12:01,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:01" (1/1) ... [2024-11-13 21:12:01,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:01" (1/1) ... [2024-11-13 21:12:01,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:01" (1/1) ... [2024-11-13 21:12:01,262 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:01" (1/1) ... [2024-11-13 21:12:01,265 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:01" (1/1) ... [2024-11-13 21:12:01,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:01" (1/1) ... [2024-11-13 21:12:01,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:01" (1/1) ... [2024-11-13 21:12:01,277 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:12:01,282 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:12:01,282 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:12:01,282 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:12:01,283 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:01" (1/1) ... [2024-11-13 21:12:01,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:12:01,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:12:01,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:12:01,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:12:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:12:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:12:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:12:01,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:12:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:12:01,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:12:01,422 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:12:01,424 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:12:36,690 INFO L? ?]: Removed 77 outVars from TransFormulas that were not future-live. [2024-11-13 21:12:36,691 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:12:36,761 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:12:36,761 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:12:36,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:12:36 BoogieIcfgContainer [2024-11-13 21:12:36,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:12:36,763 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:12:36,763 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:12:36,774 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:12:36,774 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:12:36" (1/1) ... [2024-11-13 21:12:36,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:12:36,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:36,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2024-11-13 21:12:36,831 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2024-11-13 21:12:36,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:12:36,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:36,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:36,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:36,838 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:36,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:12:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:37,003 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:37,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:12:37,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:37,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:12:37,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:12:37,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:37,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2024-11-13 21:12:37,191 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2024-11-13 21:12:37,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:12:37,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:37,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:37,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:37,194 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:37,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:12:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:37,333 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:37,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:12:37,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:37,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:12:37,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 21:12:37,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:37,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 136 states and 142 transitions. [2024-11-13 21:12:37,422 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 142 transitions. [2024-11-13 21:12:37,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:12:37,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:37,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:37,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:37,425 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:37,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:12:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:37,628 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:37,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:12:37,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:37,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:12:37,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:12:37,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:37,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 137 states and 143 transitions. [2024-11-13 21:12:37,888 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 143 transitions. [2024-11-13 21:12:37,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:12:37,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:37,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:37,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:37,894 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:37,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:12:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:38,081 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:38,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:12:38,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:38,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:12:38,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 21:12:38,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:38,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 138 states and 144 transitions. [2024-11-13 21:12:38,580 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 144 transitions. [2024-11-13 21:12:38,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:12:38,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:38,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:38,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:38,585 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:38,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:12:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:38,848 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:39,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:12:39,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:39,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:12:39,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 21:12:40,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:40,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 144 states and 151 transitions. [2024-11-13 21:12:40,608 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 151 transitions. [2024-11-13 21:12:40,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:12:40,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:40,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:40,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:40,610 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:40,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:12:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:40,851 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:40,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:12:40,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:41,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:12:41,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 21:12:42,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:42,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 145 states and 153 transitions. [2024-11-13 21:12:42,590 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 153 transitions. [2024-11-13 21:12:42,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:12:42,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:42,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:42,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:42,595 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:42,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:12:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:42,835 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:42,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:12:42,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:43,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:12:43,011 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:12:43,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 21:12:44,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:44,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 147 states and 156 transitions. [2024-11-13 21:12:44,415 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 156 transitions. [2024-11-13 21:12:44,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:12:44,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:44,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:44,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:44,417 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:44,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 21:12:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:44,660 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:44,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:12:44,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:44,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:12:44,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 21:12:44,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:44,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 148 states and 157 transitions. [2024-11-13 21:12:44,911 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 157 transitions. [2024-11-13 21:12:44,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:12:44,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:44,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:44,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:44,915 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:44,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 21:12:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:45,354 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:45,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:12:45,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:45,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:12:45,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 21:12:45,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:45,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 149 states and 158 transitions. [2024-11-13 21:12:45,697 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 158 transitions. [2024-11-13 21:12:45,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:12:45,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:45,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:45,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:45,700 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:45,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 21:12:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:45,995 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:46,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:12:46,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:46,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:12:46,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-13 21:12:46,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:46,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 150 states and 159 transitions. [2024-11-13 21:12:46,562 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 159 transitions. [2024-11-13 21:12:46,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:12:46,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:46,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:46,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:46,565 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:46,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 21:12:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:46,957 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:47,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:12:47,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:47,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:12:47,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 21:12:47,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:47,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 151 states and 160 transitions. [2024-11-13 21:12:47,575 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 160 transitions. [2024-11-13 21:12:47,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:12:47,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:47,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:47,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:47,578 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:47,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 21:12:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:47,955 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:48,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:12:48,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:48,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:12:48,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 21:12:48,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:48,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 152 states and 161 transitions. [2024-11-13 21:12:48,589 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 161 transitions. [2024-11-13 21:12:48,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:12:48,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:48,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:48,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:48,592 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:48,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 21:12:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:48,998 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:49,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:12:49,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:49,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:12:49,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 21:12:49,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:49,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 153 states and 162 transitions. [2024-11-13 21:12:49,389 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 162 transitions. [2024-11-13 21:12:49,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:12:49,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:49,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:49,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:49,393 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:49,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 21:12:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:49,871 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:49,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:12:49,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:50,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:12:50,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 21:12:50,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:50,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 154 states and 164 transitions. [2024-11-13 21:12:50,318 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 164 transitions. [2024-11-13 21:12:50,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:12:50,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:50,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:50,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:50,321 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:50,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 21:12:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:50,736 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:50,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:12:50,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:51,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:12:51,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 21:12:51,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:51,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 156 states and 166 transitions. [2024-11-13 21:12:51,306 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 166 transitions. [2024-11-13 21:12:51,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:12:51,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:51,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:51,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:51,309 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:51,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 21:12:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:51,734 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:51,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:12:51,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:52,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:12:52,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 21:12:52,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:52,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 157 states and 167 transitions. [2024-11-13 21:12:52,249 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 167 transitions. [2024-11-13 21:12:52,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:12:52,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:52,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:52,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:52,254 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:52,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 21:12:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:52,709 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:52,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:12:52,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:53,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:12:53,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 21:12:53,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:53,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 158 states and 168 transitions. [2024-11-13 21:12:53,190 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 168 transitions. [2024-11-13 21:12:53,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:12:53,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:53,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:53,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:53,195 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:53,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 21:12:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:53,648 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:53,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:12:53,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:53,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:12:53,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 21:12:54,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:54,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 159 states and 169 transitions. [2024-11-13 21:12:54,164 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 169 transitions. [2024-11-13 21:12:54,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 21:12:54,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:54,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:54,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:54,169 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:54,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 21:12:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:54,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:54,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:12:54,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:54,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:12:54,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 21:12:54,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:54,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 160 states and 170 transitions. [2024-11-13 21:12:54,996 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 170 transitions. [2024-11-13 21:12:54,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:12:54,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:54,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:54,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:54,998 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:55,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 21:12:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:55,422 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:55,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:12:55,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:55,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:12:55,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 21:12:55,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:55,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 161 states and 172 transitions. [2024-11-13 21:12:55,792 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 172 transitions. [2024-11-13 21:12:55,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:12:55,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:55,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:55,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:55,797 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:55,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 21:12:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:56,295 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:56,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:12:56,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:56,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:12:56,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 21:12:56,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:56,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 163 states and 174 transitions. [2024-11-13 21:12:56,779 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 174 transitions. [2024-11-13 21:12:56,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:12:56,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:56,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:56,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:56,784 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:56,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 21:12:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:57,273 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:57,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:12:57,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:57,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:12:57,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-13 21:12:57,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:57,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 164 states and 175 transitions. [2024-11-13 21:12:57,736 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 175 transitions. [2024-11-13 21:12:57,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 21:12:57,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:57,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:57,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:57,740 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:57,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 21:12:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:58,690 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:58,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:12:58,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:59,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:12:59,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 21:13:04,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:13:11,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:13:12,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:12,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 165 states and 176 transitions. [2024-11-13 21:13:12,013 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 176 transitions. [2024-11-13 21:13:12,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 21:13:12,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:12,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:12,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:13:12,017 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:13:12,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 21:13:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:13,139 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:13:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:18,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:13:18,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:20,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:20,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 21:13:26,110 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 [] [2024-11-13 21:13:36,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:13:46,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:13:52,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:14:02,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:14:12,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:14:17,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:14:27,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:14:37,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:14:40,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:14:51,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:15:01,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:15:05,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:15:07,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:15:12,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.64s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:15:16,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:15:17,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:15:17,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:17,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 193 states and 220 transitions. [2024-11-13 21:15:17,549 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 220 transitions. [2024-11-13 21:15:17,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 21:15:17,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:17,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:15:17,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:15:17,554 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:15:17,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 21:15:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:18,154 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:15:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:18,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:15:18,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:15:19,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:15:19,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 21:15:23,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.74s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:15:27,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:15:32,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:15:32,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:32,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 195 states and 226 transitions. [2024-11-13 21:15:32,582 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 226 transitions. [2024-11-13 21:15:32,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 21:15:32,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:32,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:15:32,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:15:32,588 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:15:32,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 21:15:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:33,220 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:15:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:33,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:15:33,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:15:34,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:15:34,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-13 21:15:40,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:15:42,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:15:45,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:15:48,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:15:54,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.57s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:15:55,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:15:56,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:56,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 198 states and 233 transitions. [2024-11-13 21:15:56,176 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 233 transitions. [2024-11-13 21:15:56,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 21:15:56,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:56,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:15:56,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:15:56,178 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:15:56,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 21:15:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:56,737 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:15:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:56,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:15:56,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:15:57,488 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:15:57,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 21:16:02,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:16:05,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:16:08,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:16:09,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:16:15,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.12s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:16:18,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:16:20,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:16:20,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:20,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 202 states and 241 transitions. [2024-11-13 21:16:20,392 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 241 transitions. [2024-11-13 21:16:20,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 21:16:20,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:20,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:16:20,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:16:20,395 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:16:20,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 21:16:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:21,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:16:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:21,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:16:21,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:22,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:16:22,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 21:16:22,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:22,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 203 states and 242 transitions. [2024-11-13 21:16:22,141 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 242 transitions. [2024-11-13 21:16:22,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 21:16:22,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:22,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:16:22,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:16:22,146 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:16:22,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 21:16:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:22,552 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:16:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:23,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:16:23,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:24,215 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:16:24,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-13 21:16:35,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:16:45,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:16:55,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:17:05,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:17:15,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:17:25,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:17:35,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:17:45,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:17:55,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:18:05,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:18:15,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:18:25,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:18:25,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:25,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 206 states and 249 transitions. [2024-11-13 21:18:25,680 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 249 transitions. [2024-11-13 21:18:25,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 21:18:25,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:25,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:18:25,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:18:25,683 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:18:25,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 21:18:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:25,914 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:18:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:26,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:18:26,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:18:27,477 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:18:27,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 21:18:38,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:18:48,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:18:58,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:19:08,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:19:18,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:19:28,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:19:38,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:19:48,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:19:58,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:20:08,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:20:18,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:20:28,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:20:29,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:29,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 209 states and 256 transitions. [2024-11-13 21:20:29,022 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 256 transitions. [2024-11-13 21:20:29,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 21:20:29,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:29,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:20:29,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:20:29,026 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:20:29,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 21:20:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:29,263 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:20:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:29,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:20:29,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:20:30,765 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:20:30,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 21:20:42,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:20:52,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:21:02,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:21:12,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:21:22,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:21:32,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:21:42,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:21:52,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:22:02,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:22:12,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:22:22,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:22:32,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:22:35,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:22:35,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:35,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 208 states and 255 transitions. [2024-11-13 21:22:35,881 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 255 transitions. [2024-11-13 21:22:35,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 21:22:35,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:35,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:22:35,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:22:35,885 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:22:35,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 21:22:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:36,130 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:22:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:36,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:22:36,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:22:37,704 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:22:37,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 21:22:49,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:22:59,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:23:09,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:23:19,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:23:29,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:23:39,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:23:49,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:23:59,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:24:10,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:24:20,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:24:30,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:24:40,196 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 [] [2024-11-13 21:24:40,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:40,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 207 states and 254 transitions. [2024-11-13 21:24:40,436 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 254 transitions. [2024-11-13 21:24:40,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:24:40,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:40,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:24:40,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:24:40,441 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:24:40,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 21:24:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:40,861 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:24:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:41,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:24:41,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:24:41,395 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:24:41,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-13 21:24:41,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:41,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 206 states and 253 transitions. [2024-11-13 21:24:41,407 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 253 transitions. [2024-11-13 21:24:41,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:24:41,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:41,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:24:41,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:24:41,411 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:24:41,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 21:24:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:41,654 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:24:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:42,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:24:42,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:25:23,175 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:25:23,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aacf0e-7ece-4b68-8ff2-a7344f86da33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-13 21:26:00,030 WARN L286 SmtUtils]: Spent 10.46s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:26:10,038 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ sign_extend 31) |c_ULTIMATE.start_main_~r~0#1|))) (let ((.cse0 (bvmul (_ bv12 63) .cse1))) (and (bvsle .cse0 (_ bv2147483647 63)) (bvsle (_ bv9223372034707292160 63) .cse0) (not (bvsle (_ bv9223372034707292160 63) (bvmul .cse1 ((_ sign_extend 31) (bvmul (_ bv12 32) |c_ULTIMATE.start_main_~r~0#1|)))))))) is different from false [2024-11-13 21:26:42,426 WARN L286 SmtUtils]: Spent 10.56s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:26:52,653 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse1 ((_ sign_extend 31) |c_ULTIMATE.start_main_~r~0#1|))) (let ((.cse0 (bvmul (_ bv12 63) .cse1))) (and (bvsle .cse0 (_ bv2147483647 63)) (bvsle (_ bv9223372034707292160 63) .cse0) (not (bvsle (_ bv9223372034707292160 63) (bvmul .cse1 ((_ sign_extend 31) (bvmul (_ bv12 32) |c_ULTIMATE.start_main_~r~0#1|))))))))) is different from true [2024-11-13 21:27:02,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:27:13,010 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 []