./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.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_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/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_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/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_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/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 0affde029ae482b9d2ea4727838aac0bedbe77b9d2e3e7a12b56be9a4d0491c8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:10:20,076 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:10:20,133 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:10:20,138 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:10:20,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:10:20,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:10:20,159 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:10:20,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:10:20,159 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:10:20,160 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:10:20,160 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:10:20,160 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:10:20,160 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:10:20,160 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:10:20,160 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:10:20,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:10:20,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:10:20,160 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:10:20,161 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:10:20,161 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:10:20,161 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:10:20,161 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:10:20,161 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:10:20,161 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:10:20,161 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:10:20,161 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:10:20,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:10:20,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:10:20,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:10:20,162 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:10:20,162 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:10:20,162 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:10:20,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:10:20,162 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_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/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 -> 0affde029ae482b9d2ea4727838aac0bedbe77b9d2e3e7a12b56be9a4d0491c8 [2024-12-05 22:10:20,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:10:20,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:10:20,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:10:20,384 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:10:20,384 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:10:20,385 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c [2024-12-05 22:10:22,971 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/data/fd7c1d355/178048e535144b09a90bc3684b0c9d1b/FLAG859b8d5ec [2024-12-05 22:10:23,162 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:10:23,163 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c [2024-12-05 22:10:23,170 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/data/fd7c1d355/178048e535144b09a90bc3684b0c9d1b/FLAG859b8d5ec [2024-12-05 22:10:23,536 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/data/fd7c1d355/178048e535144b09a90bc3684b0c9d1b [2024-12-05 22:10:23,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:10:23,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:10:23,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:10:23,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:10:23,543 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:10:23,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:10:23" (1/1) ... [2024-12-05 22:10:23,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f7d8ed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:23, skipping insertion in model container [2024-12-05 22:10:23,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:10:23" (1/1) ... [2024-12-05 22:10:23,554 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:10:23,655 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_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c[458,471] [2024-12-05 22:10:23,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:10:23,679 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:10:23,689 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_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c[458,471] [2024-12-05 22:10:23,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:10:23,708 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:10:23,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:23 WrapperNode [2024-12-05 22:10:23,709 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:10:23,709 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:10:23,710 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:10:23,710 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:10:23,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:23" (1/1) ... [2024-12-05 22:10:23,719 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:23" (1/1) ... [2024-12-05 22:10:23,730 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-12-05 22:10:23,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:10:23,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:10:23,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:10:23,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:10:23,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:23" (1/1) ... [2024-12-05 22:10:23,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:23" (1/1) ... [2024-12-05 22:10:23,737 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:23" (1/1) ... [2024-12-05 22:10:23,737 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:23" (1/1) ... [2024-12-05 22:10:23,740 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:23" (1/1) ... [2024-12-05 22:10:23,741 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:23" (1/1) ... [2024-12-05 22:10:23,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:23" (1/1) ... [2024-12-05 22:10:23,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:23" (1/1) ... [2024-12-05 22:10:23,745 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:23" (1/1) ... [2024-12-05 22:10:23,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:10:23,747 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:10:23,747 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:10:23,747 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:10:23,748 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:23" (1/1) ... [2024-12-05 22:10:23,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:10:23,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:10:23,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:10:23,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:10:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:10:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:10:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:10:23,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:10:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 22:10:23,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 22:10:23,843 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:10:23,844 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:10:23,928 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-05 22:10:23,928 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:10:23,957 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:10:23,957 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:10:23,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:10:23 BoogieIcfgContainer [2024-12-05 22:10:23,957 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:10:23,958 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:10:23,958 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:10:23,965 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:10:23,965 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:10:23" (1/1) ... [2024-12-05 22:10:23,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:10:24,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:24,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-12-05 22:10:24,020 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-12-05 22:10:24,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:10:24,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:24,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:10:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:24,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 22:10:24,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:10:24,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:10:24,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:24,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-05 22:10:24,299 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-05 22:10:24,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:10:24,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:24,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:24,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:10:24,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:24,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-05 22:10:24,779 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-05 22:10:24,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:10:24,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:24,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:10:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:24,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:10:24,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:10:24,869 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:10:25,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:25,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-12-05 22:10:25,050 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-12-05 22:10:25,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:10:25,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:25,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:10:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:25,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:10:25,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:10:25,171 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:10:25,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:25,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 22:10:25,400 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 22:10:25,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 22:10:25,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:25,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:10:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:25,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 22:10:25,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:10:25,530 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 22:10:25,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:25,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2024-12-05 22:10:25,794 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2024-12-05 22:10:25,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 22:10:25,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:25,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:10:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:25,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-05 22:10:25,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:10:25,989 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 22:10:26,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:26,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2024-12-05 22:10:26,346 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2024-12-05 22:10:26,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 22:10:26,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:26,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:10:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:26,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 22:10:26,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:10:26,525 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 10 proven. 25 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-05 22:10:26,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:26,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2024-12-05 22:10:26,932 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2024-12-05 22:10:26,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-05 22:10:26,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:26,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:10:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:27,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-05 22:10:27,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:10:27,141 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 12 proven. 36 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-05 22:10:27,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:27,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2024-12-05 22:10:27,587 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2024-12-05 22:10:27,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 22:10:27,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:27,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:10:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:27,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-05 22:10:27,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:10:27,796 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 14 proven. 49 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-05 22:10:28,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:28,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2024-12-05 22:10:28,231 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2024-12-05 22:10:28,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-05 22:10:28,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:28,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:10:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:28,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-05 22:10:28,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:10:28,491 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 16 proven. 64 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-05 22:10:29,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:29,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2024-12-05 22:10:29,004 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2024-12-05 22:10:29,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-05 22:10:29,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:29,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:10:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:30,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-05 22:10:30,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:10:30,498 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 41 proven. 82 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-05 22:10:31,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:31,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2024-12-05 22:10:31,315 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2024-12-05 22:10:31,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-05 22:10:31,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:31,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:10:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:31,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-05 22:10:31,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:10:32,024 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 46 proven. 101 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-12-05 22:10:32,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:32,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2024-12-05 22:10:32,686 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2024-12-05 22:10:32,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-05 22:10:32,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:32,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:10:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:33,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-05 22:10:33,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:10:33,811 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 91 proven. 124 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-05 22:10:34,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:34,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2024-12-05 22:10:34,619 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2024-12-05 22:10:34,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-05 22:10:34,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:34,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:10:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:35,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-05 22:10:35,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:10:35,311 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 56 proven. 145 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-05 22:10:36,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:36,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2024-12-05 22:10:36,149 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2024-12-05 22:10:36,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-05 22:10:36,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:36,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:10:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:38,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-05 22:10:38,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:10:38,601 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 57 proven. 204 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-12-05 22:10:39,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:39,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2024-12-05 22:10:39,467 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2024-12-05 22:10:39,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-05 22:10:39,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:39,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:10:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:40,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-05 22:10:40,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:10:40,251 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 66 proven. 197 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-05 22:10:41,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:41,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2024-12-05 22:10:41,210 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2024-12-05 22:10:41,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-05 22:10:41,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:41,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:10:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:42,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-12-05 22:10:42,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:10:42,902 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 99 proven. 264 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-05 22:10:43,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:43,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2024-12-05 22:10:43,816 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2024-12-05 22:10:43,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-05 22:10:43,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:43,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:10:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:45,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-12-05 22:10:45,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:10:46,070 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 140 proven. 265 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2024-12-05 22:10:47,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:47,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-12-05 22:10:47,099 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-12-05 22:10:47,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-05 22:10:47,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:47,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:10:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:55,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-12-05 22:10:55,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:10:55,185 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 69 proven. 302 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-05 22:10:56,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:56,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 49 states and 86 transitions. [2024-12-05 22:10:56,292 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2024-12-05 22:10:56,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-05 22:10:56,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:56,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:11:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:02,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-05 22:11:02,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:11:02,454 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 86 proven. 325 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-05 22:11:03,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:11:03,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 51 states and 90 transitions. [2024-12-05 22:11:03,817 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2024-12-05 22:11:03,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-05 22:11:03,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:11:03,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:11:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:11:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:11:13,922 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:11:13,926 INFO L158 Benchmark]: Toolchain (without parser) took 50387.20ms. Allocated memory is still 142.6MB. Free memory was 119.9MB in the beginning and 41.3MB in the end (delta: 78.7MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. [2024-12-05 22:11:13,926 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:11:13,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 169.56ms. Allocated memory is still 142.6MB. Free memory was 119.7MB in the beginning and 108.9MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:11:13,927 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.11ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 107.7MB in the end (delta: 978.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:11:13,927 INFO L158 Benchmark]: Boogie Preprocessor took 15.35ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 106.9MB in the end (delta: 721.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:11:13,928 INFO L158 Benchmark]: RCFGBuilder took 210.24ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 95.4MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:11:13,928 INFO L158 Benchmark]: CodeCheck took 49967.36ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 41.3MB in the end (delta: 54.1MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2024-12-05 22:11:13,930 INFO L338 ainManager$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 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 169.56ms. Allocated memory is still 142.6MB. Free memory was 119.7MB in the beginning and 108.9MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.11ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 107.7MB in the end (delta: 978.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.35ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 106.9MB in the end (delta: 721.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 210.24ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 95.4MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 49967.36ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 41.3MB in the end (delta: 54.1MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:11:13,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/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_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/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_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/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_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/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 0affde029ae482b9d2ea4727838aac0bedbe77b9d2e3e7a12b56be9a4d0491c8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:11:15,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:11:15,894 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 22:11:15,921 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:11:15,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:11:15,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:11:15,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:11:15,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:11:15,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:11:15,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:11:15,923 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:11:15,923 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:11:15,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:11:15,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:11:15,924 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:11:15,924 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:11:15,924 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:11:15,924 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:11:15,924 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:11:15,924 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:11:15,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:11:15,924 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:11:15,924 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:11:15,924 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:11:15,924 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:11:15,924 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:11:15,925 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:11:15,925 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:11:15,925 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:11:15,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:11:15,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:11:15,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:11:15,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:11:15,926 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:11:15,926 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:11:15,926 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:11:15,926 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_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/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 -> 0affde029ae482b9d2ea4727838aac0bedbe77b9d2e3e7a12b56be9a4d0491c8 [2024-12-05 22:11:16,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:11:16,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:11:16,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:11:16,186 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:11:16,187 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:11:16,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c [2024-12-05 22:11:18,878 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/data/492c46571/8a5485deb1e54eabb2c094d4a610b8f2/FLAG5df568113 [2024-12-05 22:11:19,031 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:11:19,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c [2024-12-05 22:11:19,042 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/data/492c46571/8a5485deb1e54eabb2c094d4a610b8f2/FLAG5df568113 [2024-12-05 22:11:19,427 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/data/492c46571/8a5485deb1e54eabb2c094d4a610b8f2 [2024-12-05 22:11:19,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:11:19,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:11:19,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:11:19,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:11:19,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:11:19,435 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:11:19" (1/1) ... [2024-12-05 22:11:19,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6371b902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:19, skipping insertion in model container [2024-12-05 22:11:19,436 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:11:19" (1/1) ... [2024-12-05 22:11:19,446 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:11:19,550 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_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c[458,471] [2024-12-05 22:11:19,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:11:19,572 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:11:19,580 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_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c[458,471] [2024-12-05 22:11:19,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:11:19,596 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:11:19,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:19 WrapperNode [2024-12-05 22:11:19,596 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:11:19,597 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:11:19,597 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:11:19,597 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:11:19,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:19" (1/1) ... [2024-12-05 22:11:19,606 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:19" (1/1) ... [2024-12-05 22:11:19,615 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2024-12-05 22:11:19,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:11:19,616 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:11:19,616 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:11:19,616 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:11:19,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:19" (1/1) ... [2024-12-05 22:11:19,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:19" (1/1) ... [2024-12-05 22:11:19,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:19" (1/1) ... [2024-12-05 22:11:19,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:19" (1/1) ... [2024-12-05 22:11:19,624 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:19" (1/1) ... [2024-12-05 22:11:19,625 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:19" (1/1) ... [2024-12-05 22:11:19,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:19" (1/1) ... [2024-12-05 22:11:19,627 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:19" (1/1) ... [2024-12-05 22:11:19,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:19" (1/1) ... [2024-12-05 22:11:19,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:11:19,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:11:19,629 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:11:19,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:11:19,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:19" (1/1) ... [2024-12-05 22:11:19,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:11:19,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:11:19,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:11:19,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:11:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:11:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:11:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:11:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:11:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 22:11:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 22:11:19,723 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:11:19,725 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:11:19,844 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-05 22:11:19,845 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:11:19,887 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:11:19,887 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:11:19,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:11:19 BoogieIcfgContainer [2024-12-05 22:11:19,887 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:11:19,888 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:11:19,888 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:11:19,896 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:11:19,896 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:11:19" (1/1) ... [2024-12-05 22:11:19,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:11:19,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:11:19,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-12-05 22:11:19,938 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-12-05 22:11:19,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:11:19,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:11:19,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:11:19,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:11:19,943 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:11:19,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:11:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:20,140 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:11:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:20,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:11:20,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:11:20,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:11:20,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:11:20,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:11:20,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-05 22:11:20,867 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-05 22:11:20,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:11:20,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:11:20,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:11:20,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:11:20,871 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:11:20,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:11:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:20,918 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:11:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:20,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:11:20,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:11:24,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:11:24,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 22:11:31,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:11:31,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 22:11:31,871 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 22:11:31,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:11:31,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:11:31,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:11:31,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:11:31,874 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:11:31,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 22:11:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:32,217 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:11:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:32,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 22:11:32,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:11:32,704 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:11:32,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 22:11:45,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:11:45,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2024-12-05 22:11:45,084 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2024-12-05 22:11:45,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:11:45,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:11:45,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:11:45,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:11:45,086 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:11:45,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 22:11:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:45,630 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:11:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:45,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:11:45,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:11:46,372 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:11:46,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 22:12:01,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:12:01,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2024-12-05 22:12:01,162 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2024-12-05 22:12:01,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 22:12:01,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:12:01,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:12:01,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:12:01,164 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:12:01,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 22:12:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:12:01,943 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:12:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:12:02,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 22:12:02,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:12:02,998 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 22:12:03,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 22:12:22,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:12:22,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2024-12-05 22:12:22,030 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2024-12-05 22:12:22,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 22:12:22,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:12:22,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:12:22,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:12:22,033 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:12:22,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 22:12:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:12:22,079 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:12:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:12:22,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 22:12:22,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:12:23,184 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 22:12:23,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 22:12:43,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:12:43,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2024-12-05 22:12:43,081 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2024-12-05 22:12:43,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 22:12:43,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:12:43,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:12:43,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:12:43,083 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:12:43,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 22:12:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:12:43,134 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:12:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:12:43,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-05 22:12:43,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:12:44,586 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 17 proven. 36 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 22:12:44,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 22:13:10,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:13:10,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2024-12-05 22:13:10,023 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2024-12-05 22:13:10,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-05 22:13:10,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:13:10,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:13:10,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:13:10,026 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:13:10,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 22:13:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:13:10,074 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:13:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:13:10,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-05 22:13:10,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:13:11,816 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 18 proven. 57 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-05 22:13:11,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 22:13:39,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:13:39,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2024-12-05 22:13:39,585 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2024-12-05 22:13:39,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 22:13:39,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:13:39,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:13:39,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:13:39,587 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:13:39,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 22:13:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:13:39,643 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:13:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:13:40,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-05 22:13:40,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:13:41,539 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 21 proven. 72 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-12-05 22:13:41,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 22:14:16,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:14:16,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2024-12-05 22:14:16,243 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2024-12-05 22:14:16,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-05 22:14:16,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:14:16,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:14:16,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:14:16,246 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:14:16,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 22:14:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:14:16,301 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:14:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:14:16,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 22:14:16,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:14:18,473 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 23 proven. 93 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-12-05 22:14:18,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-12-05 22:14:56,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:14:56,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2024-12-05 22:14:56,653 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2024-12-05 22:14:56,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-05 22:14:56,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:14:56,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:14:56,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:14:56,656 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:14:56,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 22:14:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:14:56,716 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:14:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:14:57,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-05 22:14:57,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:14:59,393 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 34 proven. 107 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-12-05 22:14:59,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 22:15:42,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:15:42,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2024-12-05 22:15:42,288 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2024-12-05 22:15:42,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-05 22:15:42,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:15:42,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:15:42,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:15:42,291 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:15:42,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 22:15:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:15:42,352 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:15:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:15:43,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-05 22:15:43,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:15:45,509 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 36 proven. 132 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-12-05 22:15:45,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 22:16:31,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:31,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2024-12-05 22:16:31,807 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2024-12-05 22:16:31,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-05 22:16:31,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:31,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:16:31,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:16:31,810 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:16:31,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 22:16:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:31,876 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:16:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:32,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-05 22:16:32,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:35,409 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 61 proven. 154 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-05 22:16:35,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 22:17:28,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:28,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2024-12-05 22:17:28,807 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2024-12-05 22:17:28,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-05 22:17:28,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:28,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:17:28,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:17:28,809 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:17:28,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 22:17:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:28,874 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:17:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:29,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-05 22:17:29,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:17:32,905 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 54 proven. 195 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-12-05 22:17:32,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 22:17:47,718 WARN L286 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 83 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:18:31,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:18:31,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2024-12-05 22:18:31,152 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2024-12-05 22:18:31,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-05 22:18:31,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:18:31,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:18:31,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:18:31,155 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:18:31,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 22:18:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:31,224 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:18:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:32,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-05 22:18:32,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:18:35,638 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 54 proven. 207 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-12-05 22:18:35,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-12-05 22:18:52,555 WARN L286 SmtUtils]: Spent 5.28s 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) [2024-12-05 22:19:15,048 WARN L286 SmtUtils]: Spent 5.62s 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) [2024-12-05 22:19:37,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:37,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2024-12-05 22:19:37,589 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2024-12-05 22:19:37,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-05 22:19:37,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:37,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:19:37,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:19:37,592 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:19:37,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 22:19:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:37,660 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:19:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:38,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-05 22:19:38,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:19:42,672 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 62 proven. 234 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-12-05 22:19:42,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-12-05 22:20:00,344 WARN L286 SmtUtils]: Spent 5.42s 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) [2024-12-05 22:20:25,637 WARN L286 SmtUtils]: Spent 6.12s on a formula simplification that was a NOOP. DAG size: 96 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:20:51,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:20:51,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-12-05 22:20:51,803 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-12-05 22:20:51,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-05 22:20:51,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:20:51,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:20:51,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:20:51,805 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:20:51,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 22:20:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:51,888 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:20:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:53,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-05 22:20:53,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:20:57,391 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 64 proven. 269 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-12-05 22:20:57,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-12-05 22:21:18,576 WARN L286 SmtUtils]: Spent 7.22s 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) [2024-12-05 22:21:46,585 WARN L286 SmtUtils]: Spent 6.86s 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) [2024-12-05 22:22:13,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:13,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 49 states and 86 transitions. [2024-12-05 22:22:13,994 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2024-12-05 22:22:13,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-05 22:22:13,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:13,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:13,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:13,997 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:13,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 22:22:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:14,083 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:15,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-05 22:22:15,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:22:20,191 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 60 proven. 312 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2024-12-05 22:22:20,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-12-05 22:22:43,686 WARN L286 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 106 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:23:13,431 WARN L286 SmtUtils]: Spent 7.92s on a formula simplification that was a NOOP. DAG size: 107 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:23:44,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:44,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 51 states and 90 transitions. [2024-12-05 22:23:44,548 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2024-12-05 22:23:44,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-05 22:23:44,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:44,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:44,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:44,551 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:44,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-05 22:23:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:44,637 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:45,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-05 22:23:45,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:51,428 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 103 proven. 346 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2024-12-05 22:23:51,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-12-05 22:24:15,325 WARN L286 SmtUtils]: Spent 7.69s on a formula simplification that was a NOOP. DAG size: 112 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:24:48,166 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 113 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:25:21,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:25:21,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2024-12-05 22:25:21,278 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2024-12-05 22:25:21,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-05 22:25:21,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:25:21,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:25:21,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:25:21,281 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:25:21,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-05 22:25:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:21,369 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:25:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:22,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-05 22:25:22,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:25:28,575 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 70 proven. 386 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2024-12-05 22:25:28,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5ad4210-5238-46e9-8c2f-af5560f8d8cb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0