./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/ps3-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps3-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8db0248129cbdf684d5c34c8cefe6849dfc0aface1aea6f02e53557e5a736fa9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:47:03,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:47:03,496 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:47:03,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:47:03,500 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:47:03,519 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:47:03,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:47:03,520 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:47:03,521 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:47:03,521 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:47:03,521 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:47:03,521 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:47:03,521 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:47:03,521 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:47:03,521 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:47:03,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:47:03,522 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:47:03,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:47:03,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:47:03,522 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:47:03,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:47:03,522 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:47:03,522 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:47:03,522 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:47:03,522 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:47:03,522 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:47:03,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:47:03,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:47:03,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:47:03,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:47:03,523 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:47:03,523 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:47:03,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:47:03,523 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8db0248129cbdf684d5c34c8cefe6849dfc0aface1aea6f02e53557e5a736fa9 [2024-12-05 22:47:03,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:47:03,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:47:03,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:47:03,780 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:47:03,780 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:47:03,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench/ps3-ll.c [2024-12-05 22:47:06,461 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/data/3a87cc646/41701c420b044c8ebeb5a3ebe4f14b40/FLAG702eadbfd [2024-12-05 22:47:06,653 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:47:06,653 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/sv-benchmarks/c/nla-digbench/ps3-ll.c [2024-12-05 22:47:06,660 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/data/3a87cc646/41701c420b044c8ebeb5a3ebe4f14b40/FLAG702eadbfd [2024-12-05 22:47:06,673 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/data/3a87cc646/41701c420b044c8ebeb5a3ebe4f14b40 [2024-12-05 22:47:06,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:47:06,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:47:06,678 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:47:06,678 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:47:06,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:47:06,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:47:06" (1/1) ... [2024-12-05 22:47:06,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52f9204a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:06, skipping insertion in model container [2024-12-05 22:47:06,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:47:06" (1/1) ... [2024-12-05 22:47:06,692 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:47:06,800 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/sv-benchmarks/c/nla-digbench/ps3-ll.c[458,471] [2024-12-05 22:47:06,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:47:06,819 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:47:06,827 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/sv-benchmarks/c/nla-digbench/ps3-ll.c[458,471] [2024-12-05 22:47:06,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:47:06,841 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:47:06,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:06 WrapperNode [2024-12-05 22:47:06,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:47:06,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:47:06,842 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:47:06,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:47:06,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:06" (1/1) ... [2024-12-05 22:47:06,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:06" (1/1) ... [2024-12-05 22:47:06,862 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2024-12-05 22:47:06,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:47:06,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:47:06,863 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:47:06,863 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:47:06,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:06" (1/1) ... [2024-12-05 22:47:06,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:06" (1/1) ... [2024-12-05 22:47:06,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:06" (1/1) ... [2024-12-05 22:47:06,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:06" (1/1) ... [2024-12-05 22:47:06,870 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:06" (1/1) ... [2024-12-05 22:47:06,871 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:06" (1/1) ... [2024-12-05 22:47:06,874 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:06" (1/1) ... [2024-12-05 22:47:06,875 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:06" (1/1) ... [2024-12-05 22:47:06,876 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:06" (1/1) ... [2024-12-05 22:47:06,877 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:47:06,878 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:47:06,878 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:47:06,878 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:47:06,879 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:06" (1/1) ... [2024-12-05 22:47:06,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:47:06,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:47:06,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:47:06,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:47:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:47:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:47:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:47:06,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:47:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 22:47:06,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 22:47:06,967 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:47:06,968 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:47:07,052 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-05 22:47:07,053 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:47:07,073 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:47:07,073 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:47:07,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:47:07 BoogieIcfgContainer [2024-12-05 22:47:07,073 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:47:07,074 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:47:07,074 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:47:07,083 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:47:07,083 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:47:07" (1/1) ... [2024-12-05 22:47:07,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:47:07,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:07,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-12-05 22:47:07,139 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-12-05 22:47:07,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:47:07,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:07,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:47:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:07,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 22:47:07,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:07,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:47:07,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:07,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-05 22:47:07,409 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-05 22:47:07,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:47:07,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:07,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:47:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:07,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:47:07,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:07,507 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:47:07,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:07,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-12-05 22:47:07,606 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-12-05 22:47:07,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:47:07,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:07,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:07,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:47:08,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:08,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-12-05 22:47:08,087 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-12-05 22:47:08,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:47:08,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:08,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:47:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:08,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:47:08,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:08,222 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:47:08,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:08,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2024-12-05 22:47:08,356 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2024-12-05 22:47:08,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 22:47:08,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:08,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:47:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:08,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 22:47:08,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:08,536 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 22:47:08,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:08,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-12-05 22:47:08,730 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-12-05 22:47:08,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 22:47:08,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:08,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:47:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:08,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-05 22:47:08,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:08,894 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 22:47:09,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:09,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2024-12-05 22:47:09,069 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2024-12-05 22:47:09,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 22:47:09,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:09,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:47:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:09,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 22:47:09,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:09,242 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 10 proven. 25 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-05 22:47:09,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:09,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2024-12-05 22:47:09,441 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2024-12-05 22:47:09,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-05 22:47:09,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:09,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:47:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:09,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-05 22:47:09,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:09,644 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 12 proven. 36 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-05 22:47:09,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:09,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2024-12-05 22:47:09,854 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2024-12-05 22:47:09,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 22:47:09,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:09,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:09,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:47:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:09,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-05 22:47:09,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:10,183 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 31 proven. 50 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-05 22:47:10,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:10,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2024-12-05 22:47:10,597 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2024-12-05 22:47:10,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-05 22:47:10,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:10,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:47:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:10,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-05 22:47:10,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:10,781 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 58 proven. 67 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-12-05 22:47:11,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:11,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2024-12-05 22:47:11,011 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-12-05 22:47:11,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-05 22:47:11,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:11,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:47:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:11,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-05 22:47:11,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:11,229 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 48 proven. 105 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-12-05 22:47:11,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:11,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2024-12-05 22:47:11,471 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2024-12-05 22:47:11,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-05 22:47:11,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:11,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:47:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:11,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-05 22:47:11,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:11,831 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 46 proven. 101 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-12-05 22:47:12,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:12,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-05 22:47:12,187 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-05 22:47:12,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-05 22:47:12,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:12,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:47:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:12,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-05 22:47:12,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:12,635 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 91 proven. 124 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-05 22:47:12,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:12,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2024-12-05 22:47:12,956 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2024-12-05 22:47:12,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-05 22:47:12,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:12,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:47:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:13,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-12-05 22:47:13,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:13,612 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 75 proven. 174 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-12-05 22:47:14,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:14,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2024-12-05 22:47:14,000 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2024-12-05 22:47:14,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-05 22:47:14,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:14,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:47:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:15,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 78 conjuncts are in the unsatisfiable core [2024-12-05 22:47:15,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:15,321 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 87 proven. 228 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-12-05 22:47:15,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:15,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 72 transitions. [2024-12-05 22:47:15,645 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2024-12-05 22:47:15,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-05 22:47:15,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:15,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:47:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:15,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-05 22:47:15,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:16,033 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 66 proven. 197 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-05 22:47:16,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:16,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 44 states and 76 transitions. [2024-12-05 22:47:16,505 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 76 transitions. [2024-12-05 22:47:16,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-05 22:47:16,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:16,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:47:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:16,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-05 22:47:16,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:16,809 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 71 proven. 226 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-12-05 22:47:17,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:17,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 46 states and 80 transitions. [2024-12-05 22:47:17,225 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2024-12-05 22:47:17,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-05 22:47:17,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:17,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:47:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:26,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-12-05 22:47:26,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:26,301 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 160 proven. 272 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-12-05 22:47:26,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:26,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 48 states and 84 transitions. [2024-12-05 22:47:26,760 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 84 transitions. [2024-12-05 22:47:26,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-05 22:47:26,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:26,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:47:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:27,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-12-05 22:47:27,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:27,514 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 122 proven. 291 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-12-05 22:47:28,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:28,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 88 transitions. [2024-12-05 22:47:28,007 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2024-12-05 22:47:28,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-05 22:47:28,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:28,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:47:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:28,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-05 22:47:28,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:28,690 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 86 proven. 325 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-05 22:47:29,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:29,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 52 states and 92 transitions. [2024-12-05 22:47:29,222 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2024-12-05 22:47:29,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-05 22:47:29,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:29,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:47:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:30,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-12-05 22:47:30,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:30,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 131 proven. 412 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-12-05 22:47:31,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:31,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 54 states and 96 transitions. [2024-12-05 22:47:31,129 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 96 transitions. [2024-12-05 22:47:31,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-05 22:47:31,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:31,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:47:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:31,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-12-05 22:47:31,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:31,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 96 proven. 401 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-05 22:47:32,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:32,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 56 states and 100 transitions. [2024-12-05 22:47:32,403 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 100 transitions. [2024-12-05 22:47:32,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-05 22:47:32,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:32,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:47:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:47:42,516 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:47:42,520 INFO L158 Benchmark]: Toolchain (without parser) took 35842.91ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 117.8MB in the beginning and 248.7MB in the end (delta: -130.8MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2024-12-05 22:47:42,520 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory was 82.8MB in the beginning and 82.8MB in the end (delta: 33.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:47:42,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.25ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 106.7MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:47:42,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.69ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 105.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:47:42,521 INFO L158 Benchmark]: Boogie Preprocessor took 14.51ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 105.0MB in the end (delta: 614.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:47:42,521 INFO L158 Benchmark]: RCFGBuilder took 195.96ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 94.3MB in the end (delta: 10.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:47:42,521 INFO L158 Benchmark]: CodeCheck took 35444.72ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 94.3MB in the beginning and 248.7MB in the end (delta: -154.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:47:42,523 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory was 82.8MB in the beginning and 82.8MB in the end (delta: 33.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 164.25ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 106.7MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.69ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 105.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.51ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 105.0MB in the end (delta: 614.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 195.96ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 94.3MB in the end (delta: 10.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 35444.72ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 94.3MB in the beginning and 248.7MB in the end (delta: -154.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:47:42,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps3-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8db0248129cbdf684d5c34c8cefe6849dfc0aface1aea6f02e53557e5a736fa9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:47:44,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:47:44,506 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 22:47:44,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:47:44,533 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:47:44,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:47:44,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:47:44,534 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:47:44,534 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:47:44,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:47:44,534 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:47:44,534 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:47:44,534 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:47:44,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:47:44,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:47:44,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:47:44,535 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:47:44,535 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:47:44,535 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:47:44,535 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:47:44,535 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:47:44,535 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:47:44,535 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:47:44,535 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:47:44,536 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:47:44,536 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:47:44,536 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:47:44,536 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:47:44,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:47:44,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:47:44,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:47:44,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:47:44,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:47:44,537 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:47:44,537 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:47:44,537 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:47:44,537 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_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8db0248129cbdf684d5c34c8cefe6849dfc0aface1aea6f02e53557e5a736fa9 [2024-12-05 22:47:44,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:47:44,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:47:44,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:47:44,796 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:47:44,797 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:47:44,798 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench/ps3-ll.c [2024-12-05 22:47:47,497 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/data/81805902d/317c1e1377244da0946e9c0ca168f2e5/FLAG664d27a57 [2024-12-05 22:47:47,693 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:47:47,693 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/sv-benchmarks/c/nla-digbench/ps3-ll.c [2024-12-05 22:47:47,699 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/data/81805902d/317c1e1377244da0946e9c0ca168f2e5/FLAG664d27a57 [2024-12-05 22:47:47,712 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/data/81805902d/317c1e1377244da0946e9c0ca168f2e5 [2024-12-05 22:47:47,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:47:47,715 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:47:47,716 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:47:47,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:47:47,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:47:47,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:47:47" (1/1) ... [2024-12-05 22:47:47,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b1a4766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:47, skipping insertion in model container [2024-12-05 22:47:47,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:47:47" (1/1) ... [2024-12-05 22:47:47,732 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:47:47,840 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/sv-benchmarks/c/nla-digbench/ps3-ll.c[458,471] [2024-12-05 22:47:47,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:47:47,864 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:47:47,873 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/sv-benchmarks/c/nla-digbench/ps3-ll.c[458,471] [2024-12-05 22:47:47,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:47:47,889 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:47:47,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:47 WrapperNode [2024-12-05 22:47:47,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:47:47,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:47:47,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:47:47,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:47:47,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:47" (1/1) ... [2024-12-05 22:47:47,900 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:47" (1/1) ... [2024-12-05 22:47:47,912 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2024-12-05 22:47:47,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:47:47,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:47:47,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:47:47,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:47:47,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:47" (1/1) ... [2024-12-05 22:47:47,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:47" (1/1) ... [2024-12-05 22:47:47,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:47" (1/1) ... [2024-12-05 22:47:47,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:47" (1/1) ... [2024-12-05 22:47:47,923 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:47" (1/1) ... [2024-12-05 22:47:47,924 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:47" (1/1) ... [2024-12-05 22:47:47,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:47" (1/1) ... [2024-12-05 22:47:47,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:47" (1/1) ... [2024-12-05 22:47:47,928 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:47" (1/1) ... [2024-12-05 22:47:47,930 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:47:47,931 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:47:47,931 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:47:47,931 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:47:47,932 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:47:47" (1/1) ... [2024-12-05 22:47:47,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:47:47,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:47:47,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:47:47,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:47:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:47:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:47:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:47:47,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:47:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 22:47:47,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 22:47:48,031 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:47:48,033 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:47:48,197 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-05 22:47:48,197 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:47:48,221 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:47:48,221 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:47:48,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:47:48 BoogieIcfgContainer [2024-12-05 22:47:48,222 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:47:48,223 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:47:48,223 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:47:48,233 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:47:48,233 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:47:48" (1/1) ... [2024-12-05 22:47:48,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:47:48,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:48,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-12-05 22:47:48,291 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-12-05 22:47:48,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:47:48,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:48,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:47:48,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:47:48,299 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:47:48,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:47:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:48,371 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:47:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:48,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:47:48,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:48,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:47:48,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:47:49,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:49,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-05 22:47:49,126 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-05 22:47:49,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:47:49,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:49,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:47:49,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:47:49,129 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:47:49,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:47:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:49,514 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:47:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:49,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 22:47:49,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:49,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:47:49,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 22:47:51,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:51,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-12-05 22:47:51,717 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-12-05 22:47:51,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:47:51,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:51,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:47:51,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:47:51,719 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:47:51,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 22:47:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:51,752 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:47:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:51,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:47:51,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:57,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:47:57,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 22:48:01,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:01,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-12-05 22:48:01,921 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-12-05 22:48:01,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:48:01,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:01,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:01,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:48:01,923 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:48:01,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 22:48:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:02,478 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:48:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:02,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:48:02,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:48:03,048 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:48:03,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 22:48:05,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:05,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2024-12-05 22:48:05,999 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2024-12-05 22:48:06,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 22:48:06,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:06,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:06,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:48:06,002 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:48:06,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 22:48:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:06,713 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:48:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:06,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 22:48:06,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:48:07,583 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 22:48:07,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 22:48:10,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:10,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2024-12-05 22:48:10,760 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-05 22:48:10,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 22:48:10,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:10,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:10,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:48:10,763 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:48:10,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 22:48:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:10,808 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:48:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:11,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 22:48:11,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:48:11,871 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 22:48:11,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 22:48:15,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:15,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2024-12-05 22:48:15,441 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2024-12-05 22:48:15,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 22:48:15,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:15,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:15,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:48:15,444 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:48:15,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 22:48:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:15,493 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:48:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:15,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-05 22:48:15,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:48:16,996 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 11 proven. 42 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 22:48:16,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 22:48:21,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:21,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 28 states and 45 transitions. [2024-12-05 22:48:21,123 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2024-12-05 22:48:21,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-05 22:48:21,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:21,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:21,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:48:21,126 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:48:21,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 22:48:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:21,177 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:48:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:21,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 22:48:21,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:48:22,704 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 13 proven. 59 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-05 22:48:22,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 22:48:26,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:26,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2024-12-05 22:48:26,921 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2024-12-05 22:48:26,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 22:48:26,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:26,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:26,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:48:26,924 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:48:26,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 22:48:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:26,974 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:48:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:27,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-05 22:48:27,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:48:28,710 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 27 proven. 66 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-12-05 22:48:28,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 22:48:33,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:33,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 22:48:33,875 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 22:48:33,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-05 22:48:33,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:33,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:33,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:48:33,878 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:48:33,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 22:48:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:33,939 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:48:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:34,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 22:48:34,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:48:36,028 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 32 proven. 84 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-12-05 22:48:36,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 22:48:42,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:42,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 34 states and 57 transitions. [2024-12-05 22:48:42,096 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2024-12-05 22:48:42,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-05 22:48:42,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:42,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:42,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:48:42,100 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:48:42,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 22:48:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:42,148 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:48:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:42,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-05 22:48:42,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:48:44,698 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 51 proven. 102 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-12-05 22:48:44,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 22:48:50,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:50,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 36 states and 61 transitions. [2024-12-05 22:48:50,389 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2024-12-05 22:48:50,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-05 22:48:50,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:50,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:50,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:48:50,391 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:48:50,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 22:48:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:50,452 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:48:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:51,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 22:48:51,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:48:53,383 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 53 proven. 130 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-12-05 22:48:53,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 22:48:59,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:59,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 38 states and 65 transitions. [2024-12-05 22:48:59,935 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 65 transitions. [2024-12-05 22:48:59,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-05 22:48:59,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:59,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:59,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:48:59,938 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:48:59,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 22:49:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:00,002 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:49:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:00,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-05 22:49:00,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:49:03,196 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 47 proven. 150 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-12-05 22:49:03,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 22:49:10,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:49:10,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2024-12-05 22:49:10,852 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2024-12-05 22:49:10,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-05 22:49:10,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:49:10,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:49:10,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:49:10,855 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:49:10,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 22:49:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:10,919 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:49:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:11,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-05 22:49:11,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:49:14,598 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 52 proven. 176 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-12-05 22:49:14,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 22:49:22,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:49:22,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2024-12-05 22:49:22,415 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2024-12-05 22:49:22,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-05 22:49:22,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:49:22,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:49:22,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:49:22,417 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:49:22,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 22:49:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:22,481 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:49:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:23,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-05 22:49:23,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:49:26,550 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 54 proven. 207 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-12-05 22:49:26,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-05 22:49:35,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:49:35,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 44 states and 77 transitions. [2024-12-05 22:49:35,175 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 77 transitions. [2024-12-05 22:49:35,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-05 22:49:35,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:49:35,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:49:35,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:49:35,178 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:49:35,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 22:49:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:35,248 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:49:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:36,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-05 22:49:36,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:49:39,798 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 62 proven. 234 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-12-05 22:49:39,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 22:49:49,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:49:49,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 46 states and 81 transitions. [2024-12-05 22:49:49,533 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 81 transitions. [2024-12-05 22:49:49,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-05 22:49:49,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:49:49,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:49:49,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:49:49,536 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:49:49,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 22:49:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:49,617 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:49:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:50,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-05 22:49:50,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:49:54,872 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 99 proven. 264 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-05 22:49:54,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-05 22:50:06,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:06,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2024-12-05 22:50:06,146 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2024-12-05 22:50:06,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-05 22:50:06,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:06,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:50:06,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:50:06,149 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:50:06,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 22:50:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:06,224 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:50:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:07,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-05 22:50:07,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:50:12,498 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 101 proven. 304 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2024-12-05 22:50:12,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-05 22:50:23,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:23,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 89 transitions. [2024-12-05 22:50:23,996 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 89 transitions. [2024-12-05 22:50:23,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-05 22:50:23,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:23,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:50:23,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:50:23,999 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:50:24,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-05 22:50:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:24,074 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:50:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:25,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-05 22:50:25,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:50:30,734 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 141 proven. 338 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-12-05 22:50:30,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-05 22:50:42,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:42,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 52 states and 93 transitions. [2024-12-05 22:50:42,755 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 93 transitions. [2024-12-05 22:50:42,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-05 22:50:42,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:42,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:50:42,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:50:42,757 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:50:42,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-05 22:50:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:42,840 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:50:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:44,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-05 22:50:44,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:50:49,780 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 105 proven. 390 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2024-12-05 22:50:49,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-05 22:51:02,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:02,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 54 states and 97 transitions. [2024-12-05 22:51:02,613 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2024-12-05 22:51:02,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-05 22:51:02,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:02,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:02,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:51:02,615 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:51:02,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-05 22:51:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:02,694 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:51:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:04,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-12-05 22:51:04,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:51:10,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 151 proven. 428 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2024-12-05 22:51:10,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-05 22:51:25,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:25,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 56 states and 101 transitions. [2024-12-05 22:51:25,287 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 101 transitions. [2024-12-05 22:51:25,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-05 22:51:25,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:25,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:25,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:51:25,290 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:51:25,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-05 22:51:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:25,379 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:51:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:26,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-12-05 22:51:26,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:51:33,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 153 proven. 479 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2024-12-05 22:51:33,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-05 22:51:49,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:49,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 58 states and 105 transitions. [2024-12-05 22:51:49,050 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 105 transitions. [2024-12-05 22:51:49,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-05 22:51:49,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:49,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:49,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:51:49,052 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:51:49,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-05 22:51:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:49,134 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:51:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:50,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-12-05 22:51:50,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:51:58,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 91 proven. 506 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2024-12-05 22:51:58,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-05 22:52:13,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:13,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 60 states and 109 transitions. [2024-12-05 22:52:13,497 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2024-12-05 22:52:13,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-12-05 22:52:13,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:13,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:13,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:52:13,500 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:52:13,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-05 22:52:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:13,582 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:15,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-12-05 22:52:15,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:23,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 93 proven. 555 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2024-12-05 22:52:23,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-05 22:52:40,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:40,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 62 states and 113 transitions. [2024-12-05 22:52:40,047 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 113 transitions. [2024-12-05 22:52:40,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-05 22:52:40,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:40,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:40,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:52:40,050 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:52:40,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-05 22:52:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:40,137 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:41,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-12-05 22:52:41,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:50,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1587 backedges. 159 proven. 644 refuted. 0 times theorem prover too weak. 784 trivial. 0 not checked. [2024-12-05 22:52:50,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-05 22:53:09,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:09,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 64 states and 117 transitions. [2024-12-05 22:53:09,082 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 117 transitions. [2024-12-05 22:53:09,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-12-05 22:53:09,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:09,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:09,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:09,086 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:09,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-05 22:53:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:09,185 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:10,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-12-05 22:53:10,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:53:20,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1728 backedges. 161 proven. 703 refuted. 0 times theorem prover too weak. 864 trivial. 0 not checked. [2024-12-05 22:53:20,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-05 22:53:40,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:40,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 66 states and 121 transitions. [2024-12-05 22:53:40,174 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 121 transitions. [2024-12-05 22:53:40,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-12-05 22:53:40,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:40,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:40,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:40,177 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:40,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-05 22:53:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:40,280 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:41,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-12-05 22:53:41,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:53:51,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1875 backedges. 117 proven. 696 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2024-12-05 22:53:51,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-05 22:54:12,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:12,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 68 states and 125 transitions. [2024-12-05 22:54:12,563 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2024-12-05 22:54:12,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-05 22:54:12,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:12,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:12,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:12,565 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:12,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-05 22:54:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:12,669 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:14,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-12-05 22:54:14,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:25,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2028 backedges. 119 proven. 753 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2024-12-05 22:54:25,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-05 22:54:37,420 WARN L286 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:54:47,180 WARN L286 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 162 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:54:48,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:48,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 70 states and 129 transitions. [2024-12-05 22:54:48,047 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 129 transitions. [2024-12-05 22:54:48,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-12-05 22:54:48,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:48,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:48,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:48,050 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:48,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-05 22:54:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:48,147 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:49,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-12-05 22:54:49,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:01,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2187 backedges. 127 proven. 806 refuted. 0 times theorem prover too weak. 1254 trivial. 0 not checked. [2024-12-05 22:55:01,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-05 22:55:14,124 WARN L286 SmtUtils]: Spent 5.46s on a formula simplification that was a NOOP. DAG size: 167 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:55:24,312 WARN L286 SmtUtils]: Spent 5.50s on a formula simplification that was a NOOP. DAG size: 168 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:55:25,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:25,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 72 states and 133 transitions. [2024-12-05 22:55:25,308 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 133 transitions. [2024-12-05 22:55:25,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-12-05 22:55:25,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:25,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:25,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:25,311 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:25,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-05 22:55:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:25,416 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:27,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-12-05 22:55:27,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:39,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 132 proven. 864 refuted. 0 times theorem prover too weak. 1356 trivial. 0 not checked. [2024-12-05 22:55:39,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-05 22:55:52,637 WARN L286 SmtUtils]: Spent 5.83s on a formula simplification that was a NOOP. DAG size: 173 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:56:03,557 WARN L286 SmtUtils]: Spent 5.90s on a formula simplification that was a NOOP. DAG size: 174 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:56:04,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:04,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 74 states and 137 transitions. [2024-12-05 22:56:04,900 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 137 transitions. [2024-12-05 22:56:04,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-12-05 22:56:04,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:04,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:04,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:04,902 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:04,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-05 22:56:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:05,004 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:07,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-12-05 22:56:07,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:20,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2523 backedges. 131 proven. 930 refuted. 0 times theorem prover too weak. 1462 trivial. 0 not checked. [2024-12-05 22:56:20,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-05 22:56:33,970 WARN L286 SmtUtils]: Spent 6.24s on a formula simplification that was a NOOP. DAG size: 179 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:56:45,954 WARN L286 SmtUtils]: Spent 6.29s on a formula simplification that was a NOOP. DAG size: 180 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:56:47,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:47,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 76 states and 141 transitions. [2024-12-05 22:56:47,019 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 141 transitions. [2024-12-05 22:56:47,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-12-05 22:56:47,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:47,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:47,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:47,022 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:47,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-05 22:56:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:47,141 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:49,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-12-05 22:56:49,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:03,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 142 proven. 986 refuted. 0 times theorem prover too weak. 1572 trivial. 0 not checked. [2024-12-05 22:57:03,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-05 22:57:18,075 WARN L286 SmtUtils]: Spent 6.70s on a formula simplification that was a NOOP. DAG size: 184 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:57:30,344 WARN L286 SmtUtils]: Spent 6.75s on a formula simplification that was a NOOP. DAG size: 185 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:57:31,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:31,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 78 states and 145 transitions. [2024-12-05 22:57:31,516 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 145 transitions. [2024-12-05 22:57:31,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-12-05 22:57:31,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:31,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:31,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:31,519 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:31,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-05 22:57:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:31,641 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:33,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 73 conjuncts are in the unsatisfiable core [2024-12-05 22:57:33,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:48,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2883 backedges. 144 proven. 1053 refuted. 0 times theorem prover too weak. 1686 trivial. 0 not checked. [2024-12-05 22:57:48,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-05 22:58:03,698 WARN L286 SmtUtils]: Spent 7.17s on a formula simplification that was a NOOP. DAG size: 190 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:58:16,386 WARN L286 SmtUtils]: Spent 7.19s on a formula simplification that was a NOOP. DAG size: 191 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:58:17,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:17,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 80 states and 149 transitions. [2024-12-05 22:58:17,616 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 149 transitions. [2024-12-05 22:58:17,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-12-05 22:58:17,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:17,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:17,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:17,619 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:17,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-05 22:58:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:17,729 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:19,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-12-05 22:58:19,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:35,573 INFO L134 CoverageAnalysis]: Checked inductivity of 3072 backedges. 146 proven. 1122 refuted. 0 times theorem prover too weak. 1804 trivial. 0 not checked. [2024-12-05 22:58:35,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-05 22:58:52,178 WARN L286 SmtUtils]: Spent 7.67s on a formula simplification that was a NOOP. DAG size: 196 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:59:05,654 WARN L286 SmtUtils]: Spent 7.68s on a formula simplification that was a NOOP. DAG size: 197 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:59:06,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:06,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 82 states and 153 transitions. [2024-12-05 22:59:06,996 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 153 transitions. [2024-12-05 22:59:06,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-12-05 22:59:06,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:06,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:06,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:06,999 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:06,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-05 22:59:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:07,109 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:09,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 80 conjuncts are in the unsatisfiable core [2024-12-05 22:59:09,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:26,235 INFO L134 CoverageAnalysis]: Checked inductivity of 3267 backedges. 237 proven. 1188 refuted. 0 times theorem prover too weak. 1842 trivial. 0 not checked. [2024-12-05 22:59:26,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-05 22:59:42,862 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 202 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:59:57,858 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 203 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:59:59,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:59,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 84 states and 157 transitions. [2024-12-05 22:59:59,072 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 157 transitions. [2024-12-05 22:59:59,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-12-05 22:59:59,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:59,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:59,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:59,075 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:59,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-05 22:59:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:59,197 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:01,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-12-05 23:00:01,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:19,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3468 backedges. 239 proven. 1264 refuted. 0 times theorem prover too weak. 1965 trivial. 0 not checked. [2024-12-05 23:00:19,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-05 23:00:37,664 WARN L286 SmtUtils]: Spent 8.67s on a formula simplification that was a NOOP. DAG size: 208 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:00:52,851 WARN L286 SmtUtils]: Spent 8.71s on a formula simplification that was a NOOP. DAG size: 209 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:00:53,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:53,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 86 states and 161 transitions. [2024-12-05 23:00:53,912 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 161 transitions. [2024-12-05 23:00:53,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-12-05 23:00:53,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:53,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:53,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:53,915 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:53,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-05 23:00:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:54,055 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:56,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-12-05 23:00:56,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:15,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3675 backedges. 241 proven. 1342 refuted. 0 times theorem prover too weak. 2092 trivial. 0 not checked. [2024-12-05 23:01:15,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-05 23:01:35,469 WARN L286 SmtUtils]: Spent 9.19s on a formula simplification that was a NOOP. DAG size: 214 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:01:51,223 WARN L286 SmtUtils]: Spent 9.20s on a formula simplification that was a NOOP. DAG size: 215 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:01:52,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:52,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 88 states and 165 transitions. [2024-12-05 23:01:52,349 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 165 transitions. [2024-12-05 23:01:52,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-12-05 23:01:52,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:52,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:52,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:52,352 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:52,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e3a9aa-03a6-426f-ace1-097f520ebfb5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-05 23:01:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:52,462 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:55,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 86 conjuncts are in the unsatisfiable core [2024-12-05 23:01:55,034 INFO L279 TraceCheckSpWp]: Computing forward predicates...