./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b8588da8d66d82eb7aa3eaf3ef7c4d24b2b275bf9c1acdf38a110c8bc6eba3b7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:49:06,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:49:06,698 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:49:06,702 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:49:06,703 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:49:06,720 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:49:06,721 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:49:06,721 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:49:06,721 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:49:06,721 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:49:06,722 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:49:06,722 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:49:06,722 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:49:06,722 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:49:06,722 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:49:06,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:49:06,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:49:06,722 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:49:06,722 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:49:06,722 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:49:06,722 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:49:06,722 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:49:06,723 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:49:06,723 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:49:06,723 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:49:06,723 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:49:06,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:49:06,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:49:06,723 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:49:06,723 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:49:06,723 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:49:06,723 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:49:06,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:49:06,723 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_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8588da8d66d82eb7aa3eaf3ef7c4d24b2b275bf9c1acdf38a110c8bc6eba3b7 [2024-12-06 01:49:06,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:49:06,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:49:06,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:49:06,957 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:49:06,958 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:49:06,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound100.c [2024-12-06 01:49:09,572 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/data/69f0a6fff/a3e71599addc4f38a2aef6c58348217e/FLAGe409a9c6c [2024-12-06 01:49:09,758 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:49:09,758 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound100.c [2024-12-06 01:49:09,763 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/data/69f0a6fff/a3e71599addc4f38a2aef6c58348217e/FLAGe409a9c6c [2024-12-06 01:49:10,158 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/data/69f0a6fff/a3e71599addc4f38a2aef6c58348217e [2024-12-06 01:49:10,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:49:10,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:49:10,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:49:10,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:49:10,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:49:10,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:49:10" (1/1) ... [2024-12-06 01:49:10,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42366c6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:10, skipping insertion in model container [2024-12-06 01:49:10,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:49:10" (1/1) ... [2024-12-06 01:49:10,182 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:49:10,309 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_3a26dd2e-3a95-4d27-b72d-0247503d0a76/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound100.c[458,471] [2024-12-06 01:49:10,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:49:10,336 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:49:10,346 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_3a26dd2e-3a95-4d27-b72d-0247503d0a76/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound100.c[458,471] [2024-12-06 01:49:10,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:49:10,366 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:49:10,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:10 WrapperNode [2024-12-06 01:49:10,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:49:10,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:49:10,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:49:10,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:49:10,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:10" (1/1) ... [2024-12-06 01:49:10,381 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:10" (1/1) ... [2024-12-06 01:49:10,396 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2024-12-06 01:49:10,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:49:10,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:49:10,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:49:10,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:49:10,404 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:10" (1/1) ... [2024-12-06 01:49:10,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:10" (1/1) ... [2024-12-06 01:49:10,405 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:10" (1/1) ... [2024-12-06 01:49:10,405 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:10" (1/1) ... [2024-12-06 01:49:10,408 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:10" (1/1) ... [2024-12-06 01:49:10,409 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:10" (1/1) ... [2024-12-06 01:49:10,412 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:10" (1/1) ... [2024-12-06 01:49:10,413 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:10" (1/1) ... [2024-12-06 01:49:10,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:10" (1/1) ... [2024-12-06 01:49:10,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:49:10,416 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:49:10,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:49:10,416 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:49:10,417 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:10" (1/1) ... [2024-12-06 01:49:10,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:49:10,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:49:10,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:49:10,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:49:10,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:49:10,474 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:49:10,474 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:49:10,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:49:10,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:49:10,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:49:10,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:49:10,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:49:10,534 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:49:10,536 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:49:10,647 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 01:49:10,647 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:49:10,671 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:49:10,671 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 01:49:10,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:49:10 BoogieIcfgContainer [2024-12-06 01:49:10,672 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:49:10,672 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:49:10,673 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:49:10,681 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:49:10,681 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:49:10" (1/1) ... [2024-12-06 01:49:10,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:49:10,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:10,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-12-06 01:49:10,745 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-12-06 01:49:10,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:49:10,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:10,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:49:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:10,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 01:49:10,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:49:10,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:49:11,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:11,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-06 01:49:11,086 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-06 01:49:11,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 01:49:11,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:11,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:11,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:49:11,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:11,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-12-06 01:49:11,747 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-12-06 01:49:11,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 01:49:11,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:11,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:49:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:11,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 01:49:11,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:49:11,866 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:49:12,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:12,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-12-06 01:49:12,098 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-12-06 01:49:12,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 01:49:12,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:12,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:49:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:12,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 01:49:12,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:49:12,174 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 01:49:12,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:12,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-12-06 01:49:12,230 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-12-06 01:49:12,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 01:49:12,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:12,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:49:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:12,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 01:49:12,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:49:12,361 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 01:49:12,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:12,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-12-06 01:49:12,609 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-12-06 01:49:12,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:49:12,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:12,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:49:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:12,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 01:49:12,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:49:12,831 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 01:49:13,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:13,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2024-12-06 01:49:13,483 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2024-12-06 01:49:13,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 01:49:13,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:13,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:49:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:13,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 01:49:13,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:49:13,675 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 01:49:13,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:13,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2024-12-06 01:49:13,988 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2024-12-06 01:49:13,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 01:49:13,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:13,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:49:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:14,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 01:49:14,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:49:14,206 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-06 01:49:15,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:15,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 71 transitions. [2024-12-06 01:49:15,050 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2024-12-06 01:49:15,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 01:49:15,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:15,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:49:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:15,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 01:49:15,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:49:15,607 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-06 01:49:16,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:16,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 75 transitions. [2024-12-06 01:49:16,099 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 75 transitions. [2024-12-06 01:49:16,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 01:49:16,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:16,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:49:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:16,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 01:49:16,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:49:16,275 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-06 01:49:17,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:17,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 01:49:17,065 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 01:49:17,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 01:49:17,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:17,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:49:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:17,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 01:49:17,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:49:17,624 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 21 proven. 26 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 01:49:18,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:18,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 51 states and 92 transitions. [2024-12-06 01:49:18,027 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 92 transitions. [2024-12-06 01:49:18,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 01:49:18,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:18,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:49:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:18,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 01:49:18,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:49:18,254 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 01:49:19,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:19,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2024-12-06 01:49:19,157 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2024-12-06 01:49:19,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 01:49:19,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:19,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:49:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:49:29,207 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 01:49:29,210 INFO L158 Benchmark]: Toolchain (without parser) took 19049.35ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 93.8MB in the beginning and 71.8MB in the end (delta: 22.0MB). Peak memory consumption was 107.0MB. Max. memory is 16.1GB. [2024-12-06 01:49:29,210 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:49:29,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.49ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 82.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:49:29,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.78ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:49:29,211 INFO L158 Benchmark]: Boogie Preprocessor took 18.18ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.4MB in the end (delta: 807.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:49:29,211 INFO L158 Benchmark]: RCFGBuilder took 256.27ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 69.4MB in the end (delta: 11.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:49:29,212 INFO L158 Benchmark]: CodeCheck took 18536.95ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 69.2MB in the beginning and 71.8MB in the end (delta: -2.6MB). Peak memory consumption was 81.9MB. Max. memory is 16.1GB. [2024-12-06 01:49:29,213 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 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.49ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 82.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.78ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.18ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.4MB in the end (delta: 807.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 256.27ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 69.4MB in the end (delta: 11.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 18536.95ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 69.2MB in the beginning and 71.8MB in the end (delta: -2.6MB). Peak memory consumption was 81.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:49:29,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b8588da8d66d82eb7aa3eaf3ef7c4d24b2b275bf9c1acdf38a110c8bc6eba3b7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:49:31,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:49:31,284 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:49:31,311 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:49:31,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:49:31,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:49:31,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:49:31,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:49:31,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:49:31,313 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:49:31,313 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:49:31,313 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:49:31,313 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:49:31,313 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:49:31,314 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:49:31,314 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:49:31,314 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:49:31,314 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:49:31,314 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:49:31,314 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:49:31,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:49:31,314 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:49:31,314 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:49:31,315 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:49:31,315 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:49:31,315 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:49:31,315 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:49:31,315 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:49:31,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:49:31,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:49:31,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:49:31,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:49:31,316 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:49:31,316 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:49:31,316 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:49:31,316 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:49:31,316 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_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8588da8d66d82eb7aa3eaf3ef7c4d24b2b275bf9c1acdf38a110c8bc6eba3b7 [2024-12-06 01:49:31,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:49:31,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:49:31,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:49:31,581 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:49:31,582 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:49:31,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound100.c [2024-12-06 01:49:34,361 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/data/ba7c5aa9d/3ec4a7897a5d4d5a814fd238d7fe810e/FLAGe03342ad3 [2024-12-06 01:49:34,538 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:49:34,539 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound100.c [2024-12-06 01:49:34,546 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/data/ba7c5aa9d/3ec4a7897a5d4d5a814fd238d7fe810e/FLAGe03342ad3 [2024-12-06 01:49:34,906 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/data/ba7c5aa9d/3ec4a7897a5d4d5a814fd238d7fe810e [2024-12-06 01:49:34,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:49:34,909 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:49:34,910 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:49:34,910 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:49:34,914 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:49:34,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:49:34" (1/1) ... [2024-12-06 01:49:34,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3faa8ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:34, skipping insertion in model container [2024-12-06 01:49:34,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:49:34" (1/1) ... [2024-12-06 01:49:34,928 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:49:35,034 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_3a26dd2e-3a95-4d27-b72d-0247503d0a76/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound100.c[458,471] [2024-12-06 01:49:35,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:49:35,062 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:49:35,069 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_3a26dd2e-3a95-4d27-b72d-0247503d0a76/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound100.c[458,471] [2024-12-06 01:49:35,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:49:35,089 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:49:35,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:35 WrapperNode [2024-12-06 01:49:35,090 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:49:35,090 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:49:35,091 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:49:35,091 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:49:35,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:35" (1/1) ... [2024-12-06 01:49:35,100 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:35" (1/1) ... [2024-12-06 01:49:35,111 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2024-12-06 01:49:35,111 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:49:35,112 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:49:35,112 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:49:35,112 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:49:35,116 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:35" (1/1) ... [2024-12-06 01:49:35,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:35" (1/1) ... [2024-12-06 01:49:35,119 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:35" (1/1) ... [2024-12-06 01:49:35,119 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:35" (1/1) ... [2024-12-06 01:49:35,123 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:35" (1/1) ... [2024-12-06 01:49:35,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:35" (1/1) ... [2024-12-06 01:49:35,127 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:35" (1/1) ... [2024-12-06 01:49:35,128 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:35" (1/1) ... [2024-12-06 01:49:35,129 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:35" (1/1) ... [2024-12-06 01:49:35,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:49:35,131 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:49:35,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:49:35,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:49:35,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:49:35" (1/1) ... [2024-12-06 01:49:35,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:49:35,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:49:35,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:49:35,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:49:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:49:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:49:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:49:35,180 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:49:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:49:35,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:49:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:49:35,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:49:35,225 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:49:35,226 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:49:35,765 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 01:49:35,765 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:49:35,791 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:49:35,792 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 01:49:35,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:49:35 BoogieIcfgContainer [2024-12-06 01:49:35,792 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:49:35,793 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:49:35,793 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:49:35,800 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:49:35,801 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:49:35" (1/1) ... [2024-12-06 01:49:35,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:49:35,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:35,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-12-06 01:49:35,846 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-12-06 01:49:35,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:49:35,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:35,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:49:35,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:49:35,852 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:49:35,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:49:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:36,265 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:49:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:36,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 01:49:36,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:49:36,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:49:36,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:49:38,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:38,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-06 01:49:38,026 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-06 01:49:38,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 01:49:38,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:38,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:49:38,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:49:38,030 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:49:38,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:49:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:38,454 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:49:38,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:38,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 01:49:38,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:49:55,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:49:55,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:50:22,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:22,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2024-12-06 01:50:22,932 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-12-06 01:50:22,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 01:50:22,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:22,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:50:22,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:50:22,934 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:50:22,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:50:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:23,832 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:50:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:24,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 01:50:24,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:50:25,716 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:50:25,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 01:51:10,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:51:10,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-12-06 01:51:10,567 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-12-06 01:51:10,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 01:51:10,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:51:10,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:51:10,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:51:10,569 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:51:10,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:51:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:51:11,047 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:51:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:51:11,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 01:51:11,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:51:14,558 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 01:51:14,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 01:52:18,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:52:18,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 51 transitions. [2024-12-06 01:52:18,322 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2024-12-06 01:52:18,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 01:52:18,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:52:18,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:52:18,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:52:18,326 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:52:18,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 01:52:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:52:19,744 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:52:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:52:20,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 01:52:20,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:52:21,625 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 01:52:21,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-06 01:53:23,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:23,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 55 transitions. [2024-12-06 01:53:23,640 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-12-06 01:53:23,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:53:23,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:23,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:23,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:23,643 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:23,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 01:53:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:24,751 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:25,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:53:25,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:29,706 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 01:53:29,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-12-06 01:54:57,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:57,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 71 transitions. [2024-12-06 01:54:57,159 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2024-12-06 01:54:57,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 01:54:57,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:57,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:54:57,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:54:57,162 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:54:57,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 01:54:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:59,014 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:54:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:59,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 01:54:59,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:55:01,978 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 01:55:01,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 01:55:22,637 WARN L286 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:55:53,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:56:17,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:56:17,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 75 transitions. [2024-12-06 01:56:17,271 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2024-12-06 01:56:17,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 01:56:17,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:56:17,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:56:17,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:56:17,275 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:56:17,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 01:56:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:18,785 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:56:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:19,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 01:56:19,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:56:23,290 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 01:56:23,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-12-06 01:57:55,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:57:55,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 86 transitions. [2024-12-06 01:57:55,710 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2024-12-06 01:57:55,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 01:57:55,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:57:55,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:57:55,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:57:55,713 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:57:55,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 01:57:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:57:58,214 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:57:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:57:59,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 01:57:59,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:58:01,779 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 13 proven. 21 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 01:58:01,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-12-06 01:58:54,571 WARN L286 SmtUtils]: Spent 5.19s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:59:22,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:59:25,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:59:25,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 47 states and 90 transitions. [2024-12-06 01:59:25,334 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 90 transitions. [2024-12-06 01:59:25,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 01:59:25,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:59:25,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:59:25,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:59:25,337 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:59:25,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 01:59:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:59:27,180 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:59:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:59:28,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 01:59:28,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:59:32,806 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-06 01:59:32,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-12-06 02:00:22,294 WARN L286 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:01:06,439 WARN L286 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:01:22,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:22,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 101 transitions. [2024-12-06 02:01:22,489 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 101 transitions. [2024-12-06 02:01:22,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 02:01:22,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:22,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:01:22,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:01:22,492 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:01:22,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 02:01:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:25,371 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:01:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:26,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 02:01:26,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:01:29,382 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 23 proven. 31 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-06 02:01:29,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-12-06 02:02:27,907 WARN L286 SmtUtils]: Spent 5.96s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:03:03,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:03:05,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:03:05,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 53 states and 105 transitions. [2024-12-06 02:03:05,849 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2024-12-06 02:03:05,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 02:03:05,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:03:05,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:03:05,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:03:05,853 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:03:05,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 02:03:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:03:08,144 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:03:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:03:09,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 02:03:09,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:03:19,450 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 02:03:19,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26dd2e-3a95-4d27-b72d-0247503d0a76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0