./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.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_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/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_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/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_1e4311f6-bf23-42c3-86ec-92be067e1d6d/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 81afa9e511be2b9bae9d4ea2d6181d1112c109837a9a39236c346cbee76c712e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:18:41,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:18:41,495 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 06:18:41,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:18:41,500 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:18:41,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:18:41,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:18:41,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:18:41,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:18:41,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:18:41,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:18:41,522 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:18:41,522 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:18:41,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:18:41,522 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:18:41,522 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:18:41,523 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:18:41,523 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:18:41,523 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:18:41,523 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:18:41,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:18:41,523 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:18:41,523 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:18:41,523 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:18:41,523 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:18:41,523 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:18:41,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:18:41,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:18:41,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:18:41,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:18:41,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:18:41,524 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:18:41,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:18:41,524 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_1e4311f6-bf23-42c3-86ec-92be067e1d6d/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 -> 81afa9e511be2b9bae9d4ea2d6181d1112c109837a9a39236c346cbee76c712e [2024-12-06 06:18:41,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:18:41,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:18:41,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:18:41,760 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:18:41,760 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:18:41,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c [2024-12-06 06:18:44,481 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/data/3fa5561bb/a1501f2db38f4e398e99fbb751844236/FLAG2694b6e07 [2024-12-06 06:18:44,672 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:18:44,672 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c [2024-12-06 06:18:44,679 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/data/3fa5561bb/a1501f2db38f4e398e99fbb751844236/FLAG2694b6e07 [2024-12-06 06:18:44,694 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/data/3fa5561bb/a1501f2db38f4e398e99fbb751844236 [2024-12-06 06:18:44,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:18:44,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:18:44,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:18:44,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:18:44,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:18:44,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15afb4c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44, skipping insertion in model container [2024-12-06 06:18:44,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,718 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:18:44,851 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_1e4311f6-bf23-42c3-86ec-92be067e1d6d/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c[458,471] [2024-12-06 06:18:44,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:18:44,875 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:18:44,885 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_1e4311f6-bf23-42c3-86ec-92be067e1d6d/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c[458,471] [2024-12-06 06:18:44,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:18:44,902 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:18:44,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44 WrapperNode [2024-12-06 06:18:44,902 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:18:44,903 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:18:44,903 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:18:44,903 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:18:44,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,915 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,928 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-12-06 06:18:44,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:18:44,929 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:18:44,929 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:18:44,929 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:18:44,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,938 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,941 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,942 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,946 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,946 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,947 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:18:44,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:18:44,948 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:18:44,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:18:44,949 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:18:44,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:18:44,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:18:44,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:18:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:18:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:18:45,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:18:45,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:18:45,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 06:18:45,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 06:18:45,067 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:18:45,069 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:18:45,162 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 06:18:45,162 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:18:45,179 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:18:45,179 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 06:18:45,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:18:45 BoogieIcfgContainer [2024-12-06 06:18:45,179 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:18:45,180 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:18:45,180 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:18:45,187 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:18:45,188 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:18:45" (1/1) ... [2024-12-06 06:18:45,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:18:45,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:45,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-12-06 06:18:45,239 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-12-06 06:18:45,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 06:18:45,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:45,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:45,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:18:45,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:45,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 06:18:45,360 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 06:18:45,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:18:45,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:45,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:18:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:45,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 06:18:45,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:18:45,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:18:45,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:45,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-06 06:18:45,573 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-06 06:18:45,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:18:45,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:45,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:45,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:18:45,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:45,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-06 06:18:45,845 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-06 06:18:45,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 06:18:45,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:45,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:46,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:18:46,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:46,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-12-06 06:18:46,361 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-12-06 06:18:46,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 06:18:46,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:46,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:18:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:46,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 06:18:46,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:18:46,470 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:18:46,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:46,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2024-12-06 06:18:46,678 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2024-12-06 06:18:46,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 06:18:46,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:46,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:18:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:46,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 06:18:46,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:18:46,828 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 06:18:47,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:47,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-12-06 06:18:47,098 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-12-06 06:18:47,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 06:18:47,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:47,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:18:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:47,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 06:18:47,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:18:47,261 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 06:18:47,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:47,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2024-12-06 06:18:47,548 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2024-12-06 06:18:47,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 06:18:47,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:47,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:18:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:47,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 06:18:47,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:18:47,744 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 06:18:48,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:48,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 57 transitions. [2024-12-06 06:18:48,081 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 57 transitions. [2024-12-06 06:18:48,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 06:18:48,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:48,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:18:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:48,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 06:18:48,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:18:48,367 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 68 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 06:18:48,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:48,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2024-12-06 06:18:48,834 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2024-12-06 06:18:48,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 06:18:48,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:48,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:18:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:48,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-06 06:18:48,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:18:49,073 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-06 06:18:49,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:49,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 46 states and 71 transitions. [2024-12-06 06:18:49,524 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2024-12-06 06:18:49,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-06 06:18:49,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:49,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:18:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:49,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-06 06:18:49,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:18:49,791 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 13 proven. 124 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-06 06:18:50,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:50,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 50 states and 78 transitions. [2024-12-06 06:18:50,267 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 78 transitions. [2024-12-06 06:18:50,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-06 06:18:50,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:50,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:18:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:50,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 06:18:50,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:18:50,720 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 16 proven. 136 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-06 06:18:51,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:51,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 54 states and 85 transitions. [2024-12-06 06:18:51,251 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 85 transitions. [2024-12-06 06:18:51,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-06 06:18:51,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:51,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:18:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:52,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 06:18:52,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:18:52,676 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 41 proven. 172 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-06 06:18:53,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:53,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 58 states and 92 transitions. [2024-12-06 06:18:53,637 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 92 transitions. [2024-12-06 06:18:53,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-06 06:18:53,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:53,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:18:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:53,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 06:18:53,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:18:53,897 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 46 proven. 211 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-12-06 06:18:54,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:54,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 62 states and 99 transitions. [2024-12-06 06:18:54,658 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 99 transitions. [2024-12-06 06:18:54,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-06 06:18:54,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:54,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:18:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:56,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-06 06:18:56,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:18:56,446 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 85 proven. 262 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-06 06:18:57,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:57,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 66 states and 106 transitions. [2024-12-06 06:18:57,338 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 106 transitions. [2024-12-06 06:18:57,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-06 06:18:57,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:57,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:18:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:58,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-12-06 06:18:58,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:18:58,430 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 71 proven. 358 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-12-06 06:18:59,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:59,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 70 states and 113 transitions. [2024-12-06 06:18:59,200 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 113 transitions. [2024-12-06 06:18:59,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-06 06:18:59,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:59,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:18:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:59,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-12-06 06:18:59,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:19:00,205 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 124 proven. 361 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-12-06 06:19:01,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:19:01,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 74 states and 120 transitions. [2024-12-06 06:19:01,307 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 120 transitions. [2024-12-06 06:19:01,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-06 06:19:01,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:19:01,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:19:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:19:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:01,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 06:19:01,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:19:01,770 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 62 proven. 444 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-12-06 06:19:03,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:19:03,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 78 states and 127 transitions. [2024-12-06 06:19:03,020 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 127 transitions. [2024-12-06 06:19:03,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-06 06:19:03,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:19:03,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:19:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:19:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:19:13,160 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 06:19:13,164 INFO L158 Benchmark]: Toolchain (without parser) took 28466.51ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 94.5MB in the end (delta: 22.9MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-12-06 06:19:13,164 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:19:13,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.20ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 106.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:19:13,165 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.35ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:19:13,165 INFO L158 Benchmark]: Boogie Preprocessor took 18.49ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 104.5MB in the end (delta: 626.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:19:13,165 INFO L158 Benchmark]: RCFGBuilder took 231.32ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 93.8MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:19:13,165 INFO L158 Benchmark]: CodeCheck took 27982.89ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 94.5MB in the end (delta: -918.6kB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-12-06 06:19:13,167 INFO L338 ainManager$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 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.20ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 106.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.35ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.49ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 104.5MB in the end (delta: 626.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 231.32ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 93.8MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 27982.89ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 94.5MB in the end (delta: -918.6kB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 06:19:13,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/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_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/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_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/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_1e4311f6-bf23-42c3-86ec-92be067e1d6d/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 81afa9e511be2b9bae9d4ea2d6181d1112c109837a9a39236c346cbee76c712e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:19:15,063 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:19:15,146 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 06:19:15,172 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:19:15,173 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:19:15,173 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:19:15,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:19:15,173 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:19:15,174 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:19:15,174 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:19:15,174 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:19:15,174 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:19:15,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:19:15,174 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:19:15,174 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:19:15,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:19:15,174 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 06:19:15,174 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 06:19:15,175 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 06:19:15,175 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:19:15,175 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:19:15,175 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:19:15,175 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:19:15,175 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:19:15,175 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:19:15,175 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:19:15,175 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:19:15,175 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 06:19:15,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:19:15,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:19:15,176 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:19:15,176 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:19:15,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:19:15,176 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 06:19:15,176 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:19:15,176 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 06:19:15,176 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_1e4311f6-bf23-42c3-86ec-92be067e1d6d/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 -> 81afa9e511be2b9bae9d4ea2d6181d1112c109837a9a39236c346cbee76c712e [2024-12-06 06:19:15,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:19:15,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:19:15,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:19:15,411 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:19:15,411 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:19:15,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c [2024-12-06 06:19:18,082 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/data/3744c282d/ed5dab5b91a84228914cc9193d5533b7/FLAG88841ab31 [2024-12-06 06:19:18,243 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:19:18,244 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c [2024-12-06 06:19:18,250 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/data/3744c282d/ed5dab5b91a84228914cc9193d5533b7/FLAG88841ab31 [2024-12-06 06:19:18,627 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/data/3744c282d/ed5dab5b91a84228914cc9193d5533b7 [2024-12-06 06:19:18,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:19:18,631 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:19:18,632 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:19:18,632 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:19:18,636 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:19:18,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:19:18" (1/1) ... [2024-12-06 06:19:18,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5123ec17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:18, skipping insertion in model container [2024-12-06 06:19:18,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:19:18" (1/1) ... [2024-12-06 06:19:18,649 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:19:18,763 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_1e4311f6-bf23-42c3-86ec-92be067e1d6d/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c[458,471] [2024-12-06 06:19:18,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:19:18,786 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:19:18,794 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_1e4311f6-bf23-42c3-86ec-92be067e1d6d/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c[458,471] [2024-12-06 06:19:18,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:19:18,810 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:19:18,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:18 WrapperNode [2024-12-06 06:19:18,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:19:18,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:19:18,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:19:18,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:19:18,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:18" (1/1) ... [2024-12-06 06:19:18,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:18" (1/1) ... [2024-12-06 06:19:18,835 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2024-12-06 06:19:18,835 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:19:18,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:19:18,836 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:19:18,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:19:18,842 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:18" (1/1) ... [2024-12-06 06:19:18,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:18" (1/1) ... [2024-12-06 06:19:18,844 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:18" (1/1) ... [2024-12-06 06:19:18,844 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:18" (1/1) ... [2024-12-06 06:19:18,848 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:18" (1/1) ... [2024-12-06 06:19:18,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:18" (1/1) ... [2024-12-06 06:19:18,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:18" (1/1) ... [2024-12-06 06:19:18,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:18" (1/1) ... [2024-12-06 06:19:18,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:18" (1/1) ... [2024-12-06 06:19:18,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:19:18,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:19:18,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:19:18,856 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:19:18,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:18" (1/1) ... [2024-12-06 06:19:18,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:19:18,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:19:18,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:19:18,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:19:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:19:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 06:19:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:19:18,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:19:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 06:19:18,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 06:19:18,954 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:19:18,955 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:19:19,084 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 06:19:19,084 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:19:19,106 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:19:19,106 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 06:19:19,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:19:19 BoogieIcfgContainer [2024-12-06 06:19:19,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:19:19,107 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:19:19,107 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:19:19,115 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:19:19,115 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:19:19" (1/1) ... [2024-12-06 06:19:19,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:19:19,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:19:19,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-12-06 06:19:19,158 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-12-06 06:19:19,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 06:19:19,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:19:19,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:19:19,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:19:19,164 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:19:19,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 06:19:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:19,224 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:19:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:19,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 06:19:19,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:19:19,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:19:19,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 06:19:19,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:19:19,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 06:19:19,320 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 06:19:19,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:19:19,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:19:19,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:19:19,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:19:19,322 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:19:19,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 06:19:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:19,497 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:19:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:19,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 06:19:19,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:19:19,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:19:19,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 06:19:20,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:19:20,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-12-06 06:19:20,355 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-12-06 06:19:20,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:19:20,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:19:20,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:19:20,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:19:20,358 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:19:20,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 06:19:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:20,531 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:19:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:20,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 06:19:20,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:19:20,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:19:20,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 06:19:20,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:19:20,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2024-12-06 06:19:20,991 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2024-12-06 06:19:20,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 06:19:20,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:19:20,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:19:20,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:19:20,994 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:19:20,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 06:19:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:21,032 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:19:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:21,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 06:19:21,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:19:25,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:19:25,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 06:19:33,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:19:33,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2024-12-06 06:19:33,895 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2024-12-06 06:19:33,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 06:19:33,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:19:33,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:19:33,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:19:33,898 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:19:33,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 06:19:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:34,232 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:19:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:34,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 06:19:34,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:19:34,874 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:19:34,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 06:19:49,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:19:49,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2024-12-06 06:19:49,162 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2024-12-06 06:19:49,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 06:19:49,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:19:49,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:19:49,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:19:49,165 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:19:49,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 06:19:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:49,695 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:19:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:49,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 06:19:49,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:19:50,499 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 06:19:50,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 06:20:08,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:20:08,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2024-12-06 06:20:08,592 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2024-12-06 06:20:08,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 06:20:08,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:20:08,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:20:08,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:20:08,595 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:20:08,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 06:20:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:20:09,327 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:20:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:20:09,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 06:20:09,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:20:10,493 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 06:20:10,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 06:20:33,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:20:33,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2024-12-06 06:20:33,436 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2024-12-06 06:20:33,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 06:20:33,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:20:33,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:20:33,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:20:33,439 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:20:33,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 06:20:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:20:33,487 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:20:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:20:33,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 06:20:33,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:20:35,093 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 12 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 06:20:35,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 06:21:02,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:21:02,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 63 transitions. [2024-12-06 06:21:02,521 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2024-12-06 06:21:02,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 06:21:02,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:21:02,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:21:02,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:21:02,524 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:21:02,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 06:21:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:21:02,580 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:21:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:21:02,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 06:21:02,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:21:04,424 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 19 proven. 64 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 06:21:04,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 06:21:36,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:21:36,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 70 transitions. [2024-12-06 06:21:36,646 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 70 transitions. [2024-12-06 06:21:36,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 06:21:36,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:21:36,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:21:36,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:21:36,649 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:21:36,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 06:21:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:21:36,707 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:21:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:21:37,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 06:21:37,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:21:39,040 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 21 proven. 96 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-06 06:21:39,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 06:22:17,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:22:17,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 77 transitions. [2024-12-06 06:22:17,828 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 77 transitions. [2024-12-06 06:22:17,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-06 06:22:17,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:22:17,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:22:17,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:22:17,831 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:22:17,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 06:22:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:22:17,883 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:22:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:22:18,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 06:22:18,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:22:20,749 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 23 proven. 132 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-12-06 06:22:20,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 06:23:06,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:23:06,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 52 states and 84 transitions. [2024-12-06 06:23:06,120 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 84 transitions. [2024-12-06 06:23:06,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-06 06:23:06,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:23:06,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:23:06,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:23:06,124 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:23:06,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 06:23:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:23:06,186 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:23:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:23:06,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 06:23:06,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:23:09,384 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 32 proven. 156 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-12-06 06:23:09,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 06:24:00,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:24:00,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 56 states and 91 transitions. [2024-12-06 06:24:00,281 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 91 transitions. [2024-12-06 06:24:00,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-06 06:24:00,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:24:00,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:24:00,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:24:00,283 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:24:00,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 06:24:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:24:00,348 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:24:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:24:01,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 06:24:01,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:24:04,207 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 51 proven. 192 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-12-06 06:24:04,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 06:25:00,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:25:00,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 60 states and 98 transitions. [2024-12-06 06:25:00,614 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 98 transitions. [2024-12-06 06:25:00,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-06 06:25:00,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:25:00,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:25:00,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:25:00,617 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:25:00,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 06:25:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:25:00,687 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:25:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:25:01,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-06 06:25:01,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:25:05,122 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 36 proven. 242 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-12-06 06:25:05,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-12-06 06:26:09,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:26:09,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 64 states and 105 transitions. [2024-12-06 06:26:09,496 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 105 transitions. [2024-12-06 06:26:09,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-06 06:26:09,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:26:09,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:26:09,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:26:09,498 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:26:09,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 06:26:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:26:09,567 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:26:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:26:10,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 06:26:10,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:26:14,685 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 47 proven. 282 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-12-06 06:26:14,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-12-06 06:26:55,226 WARN L286 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 78 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 06:27:28,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:27:28,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 68 states and 112 transitions. [2024-12-06 06:27:28,848 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 112 transitions. [2024-12-06 06:27:28,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-06 06:27:28,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:27:28,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:27:28,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:27:28,851 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:27:28,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 06:27:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:27:28,934 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:27:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:27:29,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 06:27:29,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:27:34,674 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 49 proven. 335 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-12-06 06:27:34,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-12-06 06:28:56,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:28:56,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 72 states and 119 transitions. [2024-12-06 06:28:56,812 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 119 transitions. [2024-12-06 06:28:56,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-06 06:28:56,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:28:56,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:28:56,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:28:56,815 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:28:56,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 06:28:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:28:56,895 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:28:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:28:57,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-06 06:28:57,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:29:03,262 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 57 proven. 386 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-12-06 06:29:03,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-12-06 06:29:24,732 WARN L286 SmtUtils]: Spent 5.43s on a formula simplification that was a NOOP. DAG size: 89 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 06:29:51,196 WARN L286 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 90 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 06:30:29,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:30:29,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 76 states and 126 transitions. [2024-12-06 06:30:29,851 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 126 transitions. [2024-12-06 06:30:29,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-06 06:30:29,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:30:29,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:30:29,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:30:29,854 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:30:29,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 06:30:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:30:29,944 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:30:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:30:30,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 06:30:30,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:30:37,269 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 59 proven. 447 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-12-06 06:30:37,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-12-06 06:30:57,236 WARN L286 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 95 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 06:32:07,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:32:07,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 80 states and 133 transitions. [2024-12-06 06:32:07,304 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 133 transitions. [2024-12-06 06:32:07,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-06 06:32:07,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:32:07,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:32:07,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:32:07,307 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:32:07,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 06:32:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:32:07,388 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:32:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:32:08,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-06 06:32:08,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:32:15,582 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 61 proven. 512 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-12-06 06:32:15,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4311f6-bf23-42c3-86ec-92be067e1d6d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-12-06 06:32:38,705 WARN L286 SmtUtils]: Spent 5.52s on a formula simplification that was a NOOP. DAG size: 100 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 06:33:10,017 WARN L286 SmtUtils]: Spent 6.21s on a formula simplification that was a NOOP. DAG size: 101 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)