./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.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_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/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_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/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_3abc9a52-c893-4a18-8f63-c4179f30ef53/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 aa3033c827040052fc2b3f2ac84da9b892249c5596676af10298d2e88bf55166 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:55:44,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:55:44,861 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:55:44,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:55:44,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:55:44,904 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:55:44,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:55:44,906 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:55:44,907 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:55:44,907 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:55:44,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:55:44,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:55:44,907 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:55:44,907 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:55:44,907 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:55:44,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:55:44,908 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:55:44,908 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:55:44,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:55:44,908 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:55:44,908 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:55:44,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:55:44,908 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:55:44,908 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:55:44,908 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:55:44,909 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:55:44,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:55:44,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:55:44,909 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:55:44,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:55:44,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:55:44,911 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:55:44,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:55:44,912 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_3abc9a52-c893-4a18-8f63-c4179f30ef53/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 -> aa3033c827040052fc2b3f2ac84da9b892249c5596676af10298d2e88bf55166 [2024-11-13 16:55:45,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:55:45,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:55:45,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:55:45,270 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:55:45,271 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:55:45,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c Unable to find full path for "g++" [2024-11-13 16:55:47,125 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:55:47,400 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:55:47,402 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c [2024-11-13 16:55:47,422 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/data/4384fb1f1/746427c575cc4f9995fa3e08ea853286/FLAGad67f9efe [2024-11-13 16:55:47,475 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/data/4384fb1f1/746427c575cc4f9995fa3e08ea853286 [2024-11-13 16:55:47,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:55:47,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:55:47,483 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:55:47,483 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:55:47,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:55:47,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:55:47" (1/1) ... [2024-11-13 16:55:47,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d95a0a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:47, skipping insertion in model container [2024-11-13 16:55:47,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:55:47" (1/1) ... [2024-11-13 16:55:47,516 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:55:47,658 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_3abc9a52-c893-4a18-8f63-c4179f30ef53/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c[458,471] [2024-11-13 16:55:47,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:55:47,687 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:55:47,695 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_3abc9a52-c893-4a18-8f63-c4179f30ef53/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c[458,471] [2024-11-13 16:55:47,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:55:47,717 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:55:47,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:47 WrapperNode [2024-11-13 16:55:47,718 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:55:47,719 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:55:47,719 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:55:47,719 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:55:47,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:47" (1/1) ... [2024-11-13 16:55:47,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:47" (1/1) ... [2024-11-13 16:55:47,745 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2024-11-13 16:55:47,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:55:47,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:55:47,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:55:47,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:55:47,752 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:47" (1/1) ... [2024-11-13 16:55:47,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:47" (1/1) ... [2024-11-13 16:55:47,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:47" (1/1) ... [2024-11-13 16:55:47,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:47" (1/1) ... [2024-11-13 16:55:47,761 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:47" (1/1) ... [2024-11-13 16:55:47,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:47" (1/1) ... [2024-11-13 16:55:47,769 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:47" (1/1) ... [2024-11-13 16:55:47,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:47" (1/1) ... [2024-11-13 16:55:47,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:55:47,772 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:55:47,772 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:55:47,772 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:55:47,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:47" (1/1) ... [2024-11-13 16:55:47,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:55:47,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:55:47,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:55:47,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:55:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:55:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:55:47,832 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:55:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:55:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:55:47,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:55:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:55:47,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:55:47,895 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:55:47,897 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:55:48,020 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 16:55:48,021 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:55:48,048 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:55:48,048 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:55:48,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:55:48 BoogieIcfgContainer [2024-11-13 16:55:48,049 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:55:48,050 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:55:48,050 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:55:48,060 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:55:48,061 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:55:48" (1/1) ... [2024-11-13 16:55:48,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:55:48,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:48,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-13 16:55:48,122 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-13 16:55:48,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:55:48,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:48,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:55:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:48,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:55:48,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:48,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-13 16:55:48,317 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-13 16:55:48,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:55:48,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:48,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:55:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:55:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:48,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 16:55:48,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:55:48,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:55:48,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:48,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-13 16:55:48,697 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-13 16:55:48,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:55:48,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:48,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:55:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:49,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:55:49,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:49,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-11-13 16:55:49,531 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-13 16:55:49,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 16:55:49,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:49,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:55:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:55:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:49,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:55:49,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:55:49,667 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:55:49,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:49,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2024-11-13 16:55:49,985 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2024-11-13 16:55:49,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:55:49,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:49,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:55:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:55:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:50,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:55:50,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:55:50,107 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 16:55:50,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:50,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2024-11-13 16:55:50,204 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-11-13 16:55:50,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 16:55:50,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:50,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:55:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:55:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:50,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 16:55:50,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:55:50,481 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 16:55:50,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:50,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2024-11-13 16:55:50,887 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2024-11-13 16:55:50,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 16:55:50,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:50,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:55:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:55:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:50,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 16:55:50,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:55:51,164 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 16:55:51,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:51,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2024-11-13 16:55:51,964 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2024-11-13 16:55:51,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 16:55:51,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:51,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:55:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:55:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:52,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 16:55:52,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:55:52,410 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 16:55:52,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:52,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2024-11-13 16:55:52,824 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2024-11-13 16:55:52,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 16:55:52,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:52,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:55:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:55:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:52,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 16:55:52,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:55:53,161 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 16:55:54,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:54,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2024-11-13 16:55:54,255 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2024-11-13 16:55:54,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 16:55:54,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:54,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:55:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:55:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:54,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 16:55:54,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:55:54,976 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 16 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-13 16:55:55,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:55,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 85 transitions. [2024-11-13 16:55:55,598 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 85 transitions. [2024-11-13 16:55:55,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 16:55:55,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:55,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:55:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:55:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:55,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 16:55:55,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:55:55,931 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 9 proven. 31 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 16:55:57,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:57,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 61 states and 100 transitions. [2024-11-13 16:55:57,158 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 100 transitions. [2024-11-13 16:55:57,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 16:55:57,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:57,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:55:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:55:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:57,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 16:55:57,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:55:57,656 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 18 proven. 44 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 16:55:58,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:58,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 64 states and 105 transitions. [2024-11-13 16:55:58,198 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 105 transitions. [2024-11-13 16:55:58,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 16:55:58,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:58,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:55:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:55:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:58,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 16:55:58,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:55:58,527 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 12 proven. 30 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 16:55:59,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:59,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 72 states and 120 transitions. [2024-11-13 16:55:59,787 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 120 transitions. [2024-11-13 16:55:59,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 16:55:59,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:59,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:55:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:56:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:00,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 16:56:00,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:56:00,403 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 25 proven. 68 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-13 16:56:00,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:56:00,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 75 states and 125 transitions. [2024-11-13 16:56:00,904 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 125 transitions. [2024-11-13 16:56:00,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-13 16:56:00,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:56:00,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:56:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:56:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:00,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 16:56:00,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:56:01,240 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 14 proven. 45 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-13 16:56:02,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:56:02,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 83 states and 140 transitions. [2024-11-13 16:56:02,606 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 140 transitions. [2024-11-13 16:56:02,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 16:56:02,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:56:02,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:56:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:56:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:03,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-13 16:56:03,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:56:03,454 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 39 proven. 82 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-13 16:56:04,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:56:04,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 86 states and 145 transitions. [2024-11-13 16:56:04,068 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 145 transitions. [2024-11-13 16:56:04,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 16:56:04,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:56:04,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:56:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:56:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:04,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 16:56:04,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:56:04,472 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 15 proven. 85 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-13 16:56:06,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:56:06,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 94 states and 160 transitions. [2024-11-13 16:56:06,038 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 160 transitions. [2024-11-13 16:56:06,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 16:56:06,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:56:06,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:56:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:56:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:06,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-13 16:56:06,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:56:07,276 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 43 proven. 118 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-13 16:56:08,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:56:08,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 97 states and 165 transitions. [2024-11-13 16:56:08,164 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 165 transitions. [2024-11-13 16:56:08,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 16:56:08,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:56:08,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:56:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:56:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:08,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 16:56:08,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:56:08,657 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 17 proven. 109 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-13 16:56:10,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:56:10,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 105 states and 180 transitions. [2024-11-13 16:56:10,414 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 180 transitions. [2024-11-13 16:56:10,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 16:56:10,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:56:10,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:56:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:56:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:10,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-13 16:56:10,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:56:10,770 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 73 proven. 131 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-13 16:56:11,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:56:11,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 108 states and 185 transitions. [2024-11-13 16:56:11,504 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 185 transitions. [2024-11-13 16:56:11,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 16:56:11,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:56:11,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:56:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:56:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:11,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-13 16:56:11,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:56:11,991 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 20 proven. 108 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-11-13 16:56:13,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:56:13,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 116 states and 200 transitions. [2024-11-13 16:56:13,945 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 200 transitions. [2024-11-13 16:56:13,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 16:56:13,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:56:13,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:56:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:56:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:14,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-13 16:56:14,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:56:14,254 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 75 proven. 175 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-13 16:56:15,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:56:15,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 119 states and 205 transitions. [2024-11-13 16:56:15,113 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 205 transitions. [2024-11-13 16:56:15,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-13 16:56:15,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:56:15,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:56:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:56:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:15,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 16:56:15,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:56:15,635 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 22 proven. 135 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-13 16:56:17,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:56:17,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 127 states and 220 transitions. [2024-11-13 16:56:17,827 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 220 transitions. [2024-11-13 16:56:17,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 16:56:17,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:56:17,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:56:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:56:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:20,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 16:56:20,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:56:20,802 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 74 proven. 189 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-13 16:56:22,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:56:22,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 130 states and 225 transitions. [2024-11-13 16:56:22,048 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 225 transitions. [2024-11-13 16:56:22,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 16:56:22,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:56:22,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:56:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:56:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:22,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 80 conjuncts are in the unsatisfiable core [2024-11-13 16:56:22,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:56:23,608 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 76 proven. 173 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-11-13 16:56:26,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:56:26,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 138 states and 240 transitions. [2024-11-13 16:56:26,481 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 240 transitions. [2024-11-13 16:56:26,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 16:56:26,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:56:26,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:56:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:56:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:30,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-13 16:56:30,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:56:30,690 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 77 proven. 265 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-13 16:56:31,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:56:31,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 141 states and 245 transitions. [2024-11-13 16:56:31,738 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 245 transitions. [2024-11-13 16:56:31,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 16:56:31,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:56:31,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:56:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:56:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:31,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-13 16:56:31,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:56:32,428 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 25 proven. 235 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-13 16:56:35,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:56:35,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 149 states and 260 transitions. [2024-11-13 16:56:35,141 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 260 transitions. [2024-11-13 16:56:35,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 16:56:35,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:56:35,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:56:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:56:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:35,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 94 conjuncts are in the unsatisfiable core [2024-11-13 16:56:35,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:56:35,630 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 97 proven. 315 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-13 16:56:36,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:56:36,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 152 states and 265 transitions. [2024-11-13 16:56:36,844 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 265 transitions. [2024-11-13 16:56:36,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-13 16:56:36,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:56:36,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:56:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:56:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:36,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-13 16:56:36,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:56:37,433 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 28 proven. 234 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2024-11-13 16:56:40,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:56:40,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 160 states and 280 transitions. [2024-11-13 16:56:40,355 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 280 transitions. [2024-11-13 16:56:40,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-13 16:56:40,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:56:40,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:56:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:56:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:49,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 106 conjuncts are in the unsatisfiable core [2024-11-13 16:56:49,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:56:50,016 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 128 proven. 345 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-13 16:56:51,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:56:51,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 163 states and 285 transitions. [2024-11-13 16:56:51,316 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 285 transitions. [2024-11-13 16:56:51,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-13 16:56:51,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:56:51,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:56:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:56:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:51,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 121 conjuncts are in the unsatisfiable core [2024-11-13 16:56:51,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:56:52,555 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 123 proven. 342 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-13 16:56:55,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:56:55,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 171 states and 300 transitions. [2024-11-13 16:56:55,599 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 300 transitions. [2024-11-13 16:56:55,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-13 16:56:55,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:56:55,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:56:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:56:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:55,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-13 16:56:55,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:56:56,404 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 68 proven. 349 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2024-11-13 16:56:58,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:56:58,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 174 states and 305 transitions. [2024-11-13 16:56:58,310 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 305 transitions. [2024-11-13 16:56:58,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-13 16:56:58,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:56:58,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:56:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:56:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:58,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-13 16:56:58,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:56:59,163 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 32 proven. 315 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2024-11-13 16:57:02,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:02,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 182 states and 320 transitions. [2024-11-13 16:57:02,694 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 320 transitions. [2024-11-13 16:57:02,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 16:57:02,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:02,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:57:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:57:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:08,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-13 16:57:08,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:57:08,335 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 105 proven. 403 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2024-11-13 16:57:09,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:09,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 185 states and 325 transitions. [2024-11-13 16:57:09,799 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 325 transitions. [2024-11-13 16:57:09,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-13 16:57:09,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:09,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:57:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:57:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:09,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 80 conjuncts are in the unsatisfiable core [2024-11-13 16:57:09,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:57:10,927 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 119 proven. 365 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2024-11-13 16:57:14,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:14,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 193 states and 340 transitions. [2024-11-13 16:57:14,351 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 340 transitions. [2024-11-13 16:57:14,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-13 16:57:14,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:14,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:57:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:57:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:14,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 16:57:14,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:57:15,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 81 proven. 443 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2024-11-13 16:57:17,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:17,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 196 states and 345 transitions. [2024-11-13 16:57:17,129 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 345 transitions. [2024-11-13 16:57:17,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-13 16:57:17,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:17,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:57:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:57:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:17,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-11-13 16:57:17,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:57:17,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 35 proven. 460 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2024-11-13 16:57:21,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:21,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 204 states and 360 transitions. [2024-11-13 16:57:21,783 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 360 transitions. [2024-11-13 16:57:21,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-13 16:57:21,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:21,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:57:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:57:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:21,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-13 16:57:21,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:57:22,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1145 backedges. 83 proven. 499 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2024-11-13 16:57:23,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:23,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 207 states and 365 transitions. [2024-11-13 16:57:23,992 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 365 transitions. [2024-11-13 16:57:23,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-13 16:57:23,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:23,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:57:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:57:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:24,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 92 conjuncts are in the unsatisfiable core [2024-11-13 16:57:24,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:57:25,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 129 proven. 470 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2024-11-13 16:57:29,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:29,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 215 states and 380 transitions. [2024-11-13 16:57:29,030 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 380 transitions. [2024-11-13 16:57:29,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-13 16:57:29,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:29,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:57:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:57:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:29,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 138 conjuncts are in the unsatisfiable core [2024-11-13 16:57:29,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:57:29,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 171 proven. 682 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2024-11-13 16:57:31,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:31,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 218 states and 385 transitions. [2024-11-13 16:57:31,617 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 385 transitions. [2024-11-13 16:57:31,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-13 16:57:31,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:31,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:57:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:57:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:31,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 94 conjuncts are in the unsatisfiable core [2024-11-13 16:57:31,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:57:32,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1315 backedges. 140 proven. 521 refuted. 0 times theorem prover too weak. 654 trivial. 0 not checked. [2024-11-13 16:57:36,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:36,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 226 states and 400 transitions. [2024-11-13 16:57:36,994 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 400 transitions. [2024-11-13 16:57:36,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-13 16:57:36,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:36,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:57:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:57:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:57:47,127 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 16:57:47,134 INFO L158 Benchmark]: Toolchain (without parser) took 119653.93ms. Allocated memory was 142.6MB in the beginning and 847.2MB in the end (delta: 704.6MB). Free memory was 119.4MB in the beginning and 558.6MB in the end (delta: -439.2MB). Peak memory consumption was 262.4MB. Max. memory is 16.1GB. [2024-11-13 16:57:47,135 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:47,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.18ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.3MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:57:47,135 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.19ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 107.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:47,136 INFO L158 Benchmark]: Boogie Preprocessor took 25.79ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.4MB in the end (delta: 547.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:47,136 INFO L158 Benchmark]: RCFGBuilder took 276.93ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 94.9MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:57:47,136 INFO L158 Benchmark]: CodeCheck took 119083.77ms. Allocated memory was 142.6MB in the beginning and 847.2MB in the end (delta: 704.6MB). Free memory was 94.6MB in the beginning and 558.6MB in the end (delta: -464.0MB). Peak memory consumption was 237.2MB. Max. memory is 16.1GB. [2024-11-13 16:57:47,142 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 0.42ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.18ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.3MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.19ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 107.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.79ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.4MB in the end (delta: 547.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 276.93ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 94.9MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 119083.77ms. Allocated memory was 142.6MB in the beginning and 847.2MB in the end (delta: 704.6MB). Free memory was 94.6MB in the beginning and 558.6MB in the end (delta: -464.0MB). Peak memory consumption was 237.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 16:57:47,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/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_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/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_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/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_3abc9a52-c893-4a18-8f63-c4179f30ef53/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 aa3033c827040052fc2b3f2ac84da9b892249c5596676af10298d2e88bf55166 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:57:49,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:57:49,848 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 16:57:49,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:57:49,901 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:57:49,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:57:49,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:57:49,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:57:49,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:57:49,903 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:57:49,904 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:57:49,904 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:57:49,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:57:49,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:57:49,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:57:49,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:57:49,905 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:57:49,905 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:57:49,906 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:57:49,906 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:57:49,906 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:57:49,906 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:57:49,906 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:57:49,906 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:57:49,906 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:57:49,906 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:57:49,906 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:57:49,906 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:57:49,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:57:49,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:57:49,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:57:49,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:57:49,907 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:57:49,907 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:57:49,907 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:57:49,907 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:57:49,907 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_3abc9a52-c893-4a18-8f63-c4179f30ef53/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 -> aa3033c827040052fc2b3f2ac84da9b892249c5596676af10298d2e88bf55166 [2024-11-13 16:57:50,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:57:50,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:57:50,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:57:50,269 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:57:50,269 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:57:50,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c Unable to find full path for "g++" [2024-11-13 16:57:52,246 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:57:52,522 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:57:52,524 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c [2024-11-13 16:57:52,548 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/data/6075434bf/9e7338844e1445d4869bf443cc54b980/FLAGac246f956 [2024-11-13 16:57:52,580 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/data/6075434bf/9e7338844e1445d4869bf443cc54b980 [2024-11-13 16:57:52,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:57:52,585 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:57:52,588 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:57:52,590 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:57:52,595 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:57:52,596 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a986ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:52, skipping insertion in model container [2024-11-13 16:57:52,597 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,617 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:57:52,804 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_3abc9a52-c893-4a18-8f63-c4179f30ef53/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c[458,471] [2024-11-13 16:57:52,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:57:52,852 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:57:52,863 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_3abc9a52-c893-4a18-8f63-c4179f30ef53/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c[458,471] [2024-11-13 16:57:52,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:57:52,888 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:57:52,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:52 WrapperNode [2024-11-13 16:57:52,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:57:52,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:57:52,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:57:52,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:57:52,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,930 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2024-11-13 16:57:52,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:57:52,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:57:52,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:57:52,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:57:52,939 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,947 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,951 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,952 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,953 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,959 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:57:52,960 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:57:52,960 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:57:52,960 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:57:52,961 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:57:52,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:57:52,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:57:53,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:57:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:57:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:57:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:57:53,028 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:57:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:57:53,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:57:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:57:53,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:57:53,092 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:57:53,094 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:57:53,799 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 16:57:53,799 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:57:53,838 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:57:53,839 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:57:53,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:53 BoogieIcfgContainer [2024-11-13 16:57:53,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:57:53,840 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:57:53,840 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:57:53,851 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:57:53,852 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:53" (1/1) ... [2024-11-13 16:57:53,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:57:53,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:53,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-13 16:57:53,926 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-13 16:57:53,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:57:53,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:53,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:57:53,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:57:53,936 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:57:53,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:57:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:54,036 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:57:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:54,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 16:57:54,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:57:54,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:57:54,251 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 16:57:54,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:57:54,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:54,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-13 16:57:54,298 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-13 16:57:54,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:57:54,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:54,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:57:54,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:57:54,301 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:57:54,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:57:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:54,781 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:57:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:54,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 16:57:54,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:57:55,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:57:55,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 16:57:57,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:57,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-13 16:57:57,066 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-13 16:57:57,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:57:57,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:57,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:57:57,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:57:57,070 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:57:57,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 16:57:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:57,532 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:57:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:57,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:57:57,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:58:13,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:58:13,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 16:58:39,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:58:41,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:41,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2024-11-13 16:58:41,621 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2024-11-13 16:58:41,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 16:58:41,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:41,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:58:41,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:58:41,625 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:58:41,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 16:58:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:42,556 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:58:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:43,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 16:58:43,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:58:44,468 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:58:44,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 16:59:29,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:59:31,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:31,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-13 16:59:31,257 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-13 16:59:31,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:59:31,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:31,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:59:31,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:59:31,262 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:59:31,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 16:59:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:31,810 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:59:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:32,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:59:32,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:35,289 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 16:59:35,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 17:00:40,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:00:42,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:42,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 55 transitions. [2024-11-13 17:00:42,837 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2024-11-13 17:00:42,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 17:00:42,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:42,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:00:42,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:00:42,841 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:00:42,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 17:00:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:44,340 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:00:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:45,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 17:00:45,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:00:46,598 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 17:00:46,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 17:01:50,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:01:53,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:01:53,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 60 transitions. [2024-11-13 17:01:53,382 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2024-11-13 17:01:53,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 17:01:53,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:01:53,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:01:53,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:01:53,387 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:01:53,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 17:01:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:01:54,427 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:01:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:01:54,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 17:01:54,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:01:59,198 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 17:01:59,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 17:03:38,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:03:38,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 46 states and 78 transitions. [2024-11-13 17:03:38,918 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2024-11-13 17:03:38,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 17:03:38,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:03:38,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:03:38,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:03:38,922 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:03:38,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 17:03:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:03:41,342 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:03:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:03:42,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 17:03:42,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:03:45,119 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 17:03:45,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 17:04:10,783 WARN L286 SmtUtils]: Spent 7.21s 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) [2024-11-13 17:04:50,082 WARN L286 SmtUtils]: Spent 6.15s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 17:04:53,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:04:55,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:05:24,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:05:24,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 49 states and 83 transitions. [2024-11-13 17:05:24,317 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2024-11-13 17:05:24,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 17:05:24,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:05:24,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:05:24,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:05:24,321 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:05:24,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 17:05:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:05:26,238 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:05:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:05:27,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 17:05:27,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:05:35,579 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 13 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-13 17:05:35,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-13 17:06:33,047 WARN L286 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 17:07:42,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:07:42,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 54 states and 95 transitions. [2024-11-13 17:07:42,928 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 95 transitions. [2024-11-13 17:07:42,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 17:07:42,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:07:42,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:07:42,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:07:42,934 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:07:42,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 17:07:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:07:45,791 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:07:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:07:46,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 17:07:47,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:07:50,636 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 13 proven. 31 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 17:07:50,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 17:08:17,295 WARN L286 SmtUtils]: Spent 6.52s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 17:09:03,119 WARN L286 SmtUtils]: Spent 7.54s 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) [2024-11-13 17:09:04,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:09:09,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:09:45,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:09:45,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 57 states and 100 transitions. [2024-11-13 17:09:45,147 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 100 transitions. [2024-11-13 17:09:45,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 17:09:45,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:09:45,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:09:45,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:09:45,154 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:09:45,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 17:09:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:09:47,243 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:09:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:09:48,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 17:09:48,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:09:54,990 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-13 17:09:55,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3abc9a52-c893-4a18-8f63-c4179f30ef53/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0