./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/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_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm --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-826ab2b [2024-11-13 20:25:10,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:25:10,998 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:25:11,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:25:11,003 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:25:11,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:25:11,026 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:25:11,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:25:11,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:25:11,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:25:11,027 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:25:11,027 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:25:11,027 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:25:11,027 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:25:11,027 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:25:11,027 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:25:11,028 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:25:11,028 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:25:11,028 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:25:11,028 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:25:11,028 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:25:11,028 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:25:11,028 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:25:11,028 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:25:11,028 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:25:11,029 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:25:11,029 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:25:11,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:25:11,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:25:11,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:25:11,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:25:11,029 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:25:11,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:25:11,030 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_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 [2024-11-13 20:25:11,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:25:11,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:25:11,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:25:11,342 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:25:11,343 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:25:11,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c Unable to find full path for "g++" [2024-11-13 20:25:13,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:25:13,517 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:25:13,518 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c [2024-11-13 20:25:13,526 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/data/38b651780/bde5c63df97b48a09ee1d1dd229a4b43/FLAGaf5821c4c [2024-11-13 20:25:13,548 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/data/38b651780/bde5c63df97b48a09ee1d1dd229a4b43 [2024-11-13 20:25:13,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:25:13,554 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:25:13,557 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:25:13,557 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:25:13,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:25:13,563 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:25:13" (1/1) ... [2024-11-13 20:25:13,565 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d127b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:13, skipping insertion in model container [2024-11-13 20:25:13,566 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:25:13" (1/1) ... [2024-11-13 20:25:13,579 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:25:13,724 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_7322e9bf-117d-4277-b71a-ed097c63c096/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c[458,471] [2024-11-13 20:25:13,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:25:13,748 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:25:13,757 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_7322e9bf-117d-4277-b71a-ed097c63c096/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c[458,471] [2024-11-13 20:25:13,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:25:13,776 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:25:13,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:13 WrapperNode [2024-11-13 20:25:13,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:25:13,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:25:13,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:25:13,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:25:13,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:13" (1/1) ... [2024-11-13 20:25:13,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:13" (1/1) ... [2024-11-13 20:25:13,807 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-13 20:25:13,807 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:25:13,808 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:25:13,808 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:25:13,808 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:25:13,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:13" (1/1) ... [2024-11-13 20:25:13,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:13" (1/1) ... [2024-11-13 20:25:13,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:13" (1/1) ... [2024-11-13 20:25:13,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:13" (1/1) ... [2024-11-13 20:25:13,821 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:13" (1/1) ... [2024-11-13 20:25:13,827 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:13" (1/1) ... [2024-11-13 20:25:13,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:13" (1/1) ... [2024-11-13 20:25:13,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:13" (1/1) ... [2024-11-13 20:25:13,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:25:13,835 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:25:13,835 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:25:13,835 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:25:13,836 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:13" (1/1) ... [2024-11-13 20:25:13,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:25:13,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:25:13,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:25:13,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:25:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:25:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:25:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:25:13,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:25:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:25:13,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:25:13,983 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:25:13,985 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:25:14,133 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 20:25:14,133 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:25:14,197 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:25:14,200 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:25:14,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:25:14 BoogieIcfgContainer [2024-11-13 20:25:14,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:25:14,202 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:25:14,202 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:25:14,213 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:25:14,214 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:25:14" (1/1) ... [2024-11-13 20:25:14,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:25:14,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:14,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-13 20:25:14,285 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-13 20:25:14,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:25:14,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:14,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:25:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:14,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:25:14,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:14,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:25:14,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:14,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-13 20:25:14,729 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-13 20:25:14,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 20:25:14,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:14,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:14,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:25:15,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:15,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-13 20:25:15,438 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-13 20:25:15,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:25:15,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:15,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:25:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:15,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 20:25:15,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:15,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:25:15,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:15,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-13 20:25:15,856 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-13 20:25:15,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:25:15,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:15,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:25:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:15,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:25:15,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:16,012 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 20:25:16,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:16,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-13 20:25:16,326 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-13 20:25:16,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 20:25:16,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:16,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:25:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:16,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 20:25:16,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:16,543 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:25:16,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:16,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2024-11-13 20:25:16,919 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2024-11-13 20:25:16,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 20:25:16,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:16,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:25:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:17,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 20:25:17,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:17,182 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 20:25:17,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:17,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2024-11-13 20:25:17,623 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2024-11-13 20:25:17,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 20:25:17,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:17,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:17,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:25:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:17,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 20:25:17,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:17,941 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 20:25:18,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:18,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2024-11-13 20:25:18,488 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2024-11-13 20:25:18,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 20:25:18,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:18,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:25:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:18,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 20:25:18,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:18,873 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 12 proven. 57 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 20:25:19,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:19,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions. [2024-11-13 20:25:19,484 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2024-11-13 20:25:19,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 20:25:19,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:19,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:25:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:19,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 20:25:19,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:20,002 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 14 proven. 77 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 20:25:20,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:20,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 55 transitions. [2024-11-13 20:25:20,653 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2024-11-13 20:25:20,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 20:25:20,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:20,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:25:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:20,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 20:25:20,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:21,130 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 36 proven. 101 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-13 20:25:22,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:22,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 41 states and 60 transitions. [2024-11-13 20:25:22,098 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2024-11-13 20:25:22,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 20:25:22,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:22,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:25:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:22,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 20:25:22,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:22,795 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 52 proven. 134 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-13 20:25:23,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:23,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 44 states and 65 transitions. [2024-11-13 20:25:23,694 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 65 transitions. [2024-11-13 20:25:23,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 20:25:23,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:23,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:25:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:24,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 20:25:24,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:24,548 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 66 proven. 157 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-13 20:25:25,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:25,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 70 transitions. [2024-11-13 20:25:25,402 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2024-11-13 20:25:25,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 20:25:25,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:25,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:25:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:26,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 20:25:26,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:26,683 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 51 proven. 188 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-13 20:25:27,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:27,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 50 states and 75 transitions. [2024-11-13 20:25:27,559 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 75 transitions. [2024-11-13 20:25:27,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 20:25:27,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:27,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:25:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:28,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 20:25:28,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:28,540 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 52 proven. 254 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-13 20:25:29,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:29,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 80 transitions. [2024-11-13 20:25:29,622 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 80 transitions. [2024-11-13 20:25:29,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 20:25:29,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:29,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:25:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:30,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-13 20:25:30,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:30,998 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 100 proven. 294 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-13 20:25:31,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:31,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 56 states and 85 transitions. [2024-11-13 20:25:31,990 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2024-11-13 20:25:31,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 20:25:31,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:31,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:25:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:34,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-13 20:25:34,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:35,157 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 95 proven. 306 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-13 20:25:36,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:36,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 59 states and 90 transitions. [2024-11-13 20:25:36,313 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-11-13 20:25:36,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-13 20:25:36,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:36,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:25:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:43,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-13 20:25:43,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:43,752 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 100 proven. 353 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-11-13 20:25:45,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:45,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 62 states and 95 transitions. [2024-11-13 20:25:45,343 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 95 transitions. [2024-11-13 20:25:45,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-13 20:25:45,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:45,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:25:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:46,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-11-13 20:25:46,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:46,689 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 189 proven. 400 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-11-13 20:25:47,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:47,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 65 states and 100 transitions. [2024-11-13 20:25:47,913 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2024-11-13 20:25:47,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 20:25:47,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:47,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:25:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:25:58,047 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) [2024-11-13 20:25:58,051 INFO L158 Benchmark]: Toolchain (without parser) took 44496.91ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 94.7MB in the beginning and 249.0MB in the end (delta: -154.2MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2024-11-13 20:25:58,052 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:25:58,052 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.17ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 83.3MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:25:58,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.02ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 82.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:25:58,054 INFO L158 Benchmark]: Boogie Preprocessor took 26.81ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.8MB in the end (delta: 381.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:25:58,055 INFO L158 Benchmark]: RCFGBuilder took 365.82ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 69.7MB in the end (delta: 12.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:25:58,055 INFO L158 Benchmark]: CodeCheck took 43848.55ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 69.7MB in the beginning and 249.0MB in the end (delta: -179.2MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2024-11-13 20:25:58,058 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 0.34ms. Allocated memory is still 167.8MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.17ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 83.3MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.02ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 82.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.81ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.8MB in the end (delta: 381.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 365.82ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 69.7MB in the end (delta: 12.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 43848.55ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 69.7MB in the beginning and 249.0MB in the end (delta: -179.2MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 20:25:58,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/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_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/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_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm --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-826ab2b [2024-11-13 20:26:00,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:26:00,706 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:26:00,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:26:00,777 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:26:00,778 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:26:00,778 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:26:00,778 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:26:00,779 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:26:00,779 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:26:00,780 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:26:00,780 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:26:00,780 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:26:00,780 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:26:00,780 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:26:00,780 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:26:00,780 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:26:00,780 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:26:00,780 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:26:00,780 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:26:00,780 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:26:00,781 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:26:00,781 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:26:00,781 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:26:00,781 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:26:00,781 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:26:00,781 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:00,781 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:26:00,783 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:26:00,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:26:00,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:26:00,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:26:00,784 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:26:00,784 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:26:00,784 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:00,784 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:26:00,785 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_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 [2024-11-13 20:26:01,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:26:01,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:26:01,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:26:01,114 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:26:01,115 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:26:01,116 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c Unable to find full path for "g++" [2024-11-13 20:26:02,999 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:26:03,274 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:26:03,283 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c [2024-11-13 20:26:03,298 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/data/40f611da9/95f33c4220ba4d7497dae58efbf25ced/FLAG8e57282ca [2024-11-13 20:26:03,591 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/data/40f611da9/95f33c4220ba4d7497dae58efbf25ced [2024-11-13 20:26:03,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:26:03,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:26:03,596 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:26:03,596 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:26:03,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:26:03,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:26:03" (1/1) ... [2024-11-13 20:26:03,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@272f9bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:03, skipping insertion in model container [2024-11-13 20:26:03,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:26:03" (1/1) ... [2024-11-13 20:26:03,616 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:26:03,770 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_7322e9bf-117d-4277-b71a-ed097c63c096/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c[458,471] [2024-11-13 20:26:03,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:26:03,803 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:26:03,813 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_7322e9bf-117d-4277-b71a-ed097c63c096/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c[458,471] [2024-11-13 20:26:03,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:26:03,835 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:26:03,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:03 WrapperNode [2024-11-13 20:26:03,836 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:26:03,837 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:26:03,837 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:26:03,837 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:26:03,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:03" (1/1) ... [2024-11-13 20:26:03,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:03" (1/1) ... [2024-11-13 20:26:03,868 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2024-11-13 20:26:03,868 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:26:03,869 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:26:03,869 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:26:03,869 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:26:03,876 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:03" (1/1) ... [2024-11-13 20:26:03,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:03" (1/1) ... [2024-11-13 20:26:03,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:03" (1/1) ... [2024-11-13 20:26:03,878 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:03" (1/1) ... [2024-11-13 20:26:03,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:03" (1/1) ... [2024-11-13 20:26:03,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:03" (1/1) ... [2024-11-13 20:26:03,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:03" (1/1) ... [2024-11-13 20:26:03,888 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:03" (1/1) ... [2024-11-13 20:26:03,889 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:26:03,890 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:26:03,890 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:26:03,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:26:03,891 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:03" (1/1) ... [2024-11-13 20:26:03,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:26:03,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:26:03,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:26:03,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:26:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:26:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:26:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:26:03,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:26:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:26:03,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:26:04,027 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:26:04,029 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:26:04,217 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 20:26:04,218 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:26:04,292 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:26:04,292 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:26:04,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:26:04 BoogieIcfgContainer [2024-11-13 20:26:04,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:26:04,293 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:26:04,293 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:26:04,307 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:26:04,307 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:26:04" (1/1) ... [2024-11-13 20:26:04,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:26:04,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:04,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-13 20:26:04,372 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-13 20:26:04,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:26:04,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:04,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:04,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:04,381 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:04,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:26:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:04,645 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:04,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 20:26:04,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:04,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:26:04,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:26:05,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:05,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-13 20:26:05,530 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-13 20:26:05,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 20:26:05,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:05,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:05,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:05,536 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:05,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:26:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:05,599 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:05,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:26:05,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:10,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:26:10,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:26:20,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:20,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-13 20:26:20,755 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-13 20:26:20,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:26:20,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:20,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:20,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:20,760 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:20,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 20:26:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:21,138 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:21,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 20:26:21,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:21,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:26:21,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 20:26:35,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:35,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-11-13 20:26:35,768 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-11-13 20:26:35,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:26:35,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:35,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:35,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:35,771 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:35,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 20:26:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:36,370 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:36,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:26:36,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:37,303 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:26:37,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 20:26:55,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:55,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2024-11-13 20:26:55,125 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2024-11-13 20:26:55,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 20:26:55,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:55,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:55,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:55,128 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:55,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 20:26:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:56,086 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:56,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 20:26:56,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:57,439 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:26:57,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 20:27:16,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:16,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-13 20:27:16,461 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-13 20:27:16,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 20:27:16,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:16,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:16,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:16,465 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:16,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 20:27:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:16,524 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:16,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 20:27:16,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:18,119 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 12 proven. 34 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:27:18,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 20:27:42,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:42,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2024-11-13 20:27:42,921 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2024-11-13 20:27:42,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 20:27:42,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:42,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:42,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:42,924 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:42,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 20:27:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:42,982 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:43,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 20:27:43,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:45,091 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 14 proven. 54 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 20:27:45,093 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 20:27:45,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 20:28:16,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:16,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2024-11-13 20:28:16,558 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2024-11-13 20:28:16,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 20:28:16,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:16,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:16,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:16,562 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:16,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 20:28:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:16,643 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:17,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 20:28:17,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:19,128 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 16 proven. 77 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 20:28:19,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-13 20:28:52,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:52,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2024-11-13 20:28:52,737 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2024-11-13 20:28:52,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 20:28:52,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:52,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:52,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:52,744 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:52,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 20:28:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:52,807 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:53,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 20:28:53,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:55,356 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 18 proven. 103 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-13 20:28:55,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 20:29:33,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:33,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2024-11-13 20:29:33,643 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2024-11-13 20:29:33,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 20:29:33,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:33,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:33,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:33,647 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:33,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 20:29:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:33,709 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:34,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 20:29:34,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:36,744 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 20 proven. 132 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-13 20:29:36,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 20:30:28,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:28,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 68 transitions. [2024-11-13 20:30:28,004 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 68 transitions. [2024-11-13 20:30:28,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 20:30:28,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:28,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:28,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:28,008 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:28,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 20:30:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:28,094 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:28,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 20:30:28,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:31,943 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 37 proven. 149 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-13 20:30:31,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-13 20:31:31,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:31,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2024-11-13 20:31:31,129 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2024-11-13 20:31:31,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 20:31:31,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:31,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:31,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:31,135 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:31,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 20:31:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:31,224 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:32,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 20:31:32,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:35,716 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 41 proven. 197 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-11-13 20:31:35,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 20:32:17,276 WARN L286 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:32:39,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:39,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2024-11-13 20:32:39,333 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2024-11-13 20:32:39,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 20:32:39,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:39,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:32:39,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:32:39,340 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:32:39,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 20:32:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:39,416 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:32:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:40,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 20:32:40,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:32:44,090 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 47 proven. 216 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-13 20:32:44,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 20:33:01,518 WARN L286 SmtUtils]: Spent 5.87s on a formula simplification that was a NOOP. DAG size: 77 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:33:25,089 WARN L286 SmtUtils]: Spent 5.66s on a formula simplification that was a NOOP. DAG size: 78 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:33:47,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:47,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 54 states and 83 transitions. [2024-11-13 20:33:47,428 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 83 transitions. [2024-11-13 20:33:47,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 20:33:47,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:47,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:33:47,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:33:47,433 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:33:47,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 20:33:47,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:47,509 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:33:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:48,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 20:33:48,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:33:53,318 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 49 proven. 257 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-13 20:33:53,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-13 20:34:14,263 WARN L286 SmtUtils]: Spent 7.59s 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) [2024-11-13 20:34:40,280 WARN L286 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 84 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:35:11,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:11,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 57 states and 88 transitions. [2024-11-13 20:35:11,128 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 88 transitions. [2024-11-13 20:35:11,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 20:35:11,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:11,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:35:11,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:35:11,135 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:35:11,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 20:35:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:35:11,216 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:35:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:35:12,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-13 20:35:12,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:35:17,510 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 80 proven. 296 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-13 20:35:17,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 20:35:40,075 WARN L286 SmtUtils]: Spent 6.70s 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) [2024-11-13 20:36:05,829 WARN L286 SmtUtils]: Spent 5.68s 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) [2024-11-13 20:36:33,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:33,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 60 states and 93 transitions. [2024-11-13 20:36:33,773 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 93 transitions. [2024-11-13 20:36:33,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 20:36:33,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:33,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:36:33,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:36:33,781 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:36:33,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 20:36:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:33,892 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:36:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:35,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 20:36:35,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:36:40,556 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 53 proven. 348 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-13 20:36:40,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-13 20:37:00,507 WARN L286 SmtUtils]: Spent 7.31s 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) [2024-11-13 20:37:26,545 WARN L286 SmtUtils]: Spent 6.75s 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) [2024-11-13 20:37:54,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:37:54,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 63 states and 98 transitions. [2024-11-13 20:37:54,218 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 98 transitions. [2024-11-13 20:37:54,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-13 20:37:54,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:37:54,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:37:54,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:37:54,222 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:37:54,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 20:37:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:37:54,309 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:37:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:37:55,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-13 20:37:55,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:38:01,751 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 127 proven. 398 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-11-13 20:38:01,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 20:38:23,962 WARN L286 SmtUtils]: Spent 6.51s 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) [2024-11-13 20:38:52,391 WARN L286 SmtUtils]: Spent 7.61s 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) [2024-11-13 20:39:23,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:39:23,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 66 states and 103 transitions. [2024-11-13 20:39:23,784 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 103 transitions. [2024-11-13 20:39:23,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-13 20:39:23,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:39:23,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:39:23,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:39:23,790 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:39:23,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 20:39:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:39:23,889 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:39:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:39:25,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-13 20:39:25,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:39:31,634 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 69 proven. 439 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2024-11-13 20:39:31,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7322e9bf-117d-4277-b71a-ed097c63c096/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 20:39:53,946 WARN L286 SmtUtils]: Spent 7.39s 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)