./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-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_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/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_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/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_9e04bf0c-badd-4161-ada9-199ab8144d23/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 dcebefc76bde79b9a5fa67feebc75881761b0a4209b78516b385f787f62f9340 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:00:55,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:00:55,635 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:00:55,644 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:00:55,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:00:55,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:00:55,691 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:00:55,691 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:00:55,692 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:00:55,693 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:00:55,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:00:55,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:00:55,694 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:00:55,694 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:00:55,695 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:00:55,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:00:55,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:00:55,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:00:55,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:00:55,695 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:00:55,695 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:00:55,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:00:55,695 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:00:55,696 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:00:55,696 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:00:55,696 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:00:55,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:00:55,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:00:55,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:00:55,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:00:55,696 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:00:55,696 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:00:55,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:00:55,698 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_9e04bf0c-badd-4161-ada9-199ab8144d23/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 -> dcebefc76bde79b9a5fa67feebc75881761b0a4209b78516b385f787f62f9340 [2024-11-13 22:00:56,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:00:56,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:00:56,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:00:56,115 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:00:56,116 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:00:56,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c Unable to find full path for "g++" [2024-11-13 22:00:58,450 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:00:58,725 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:00:58,727 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c [2024-11-13 22:00:58,738 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/data/7d0312268/32de086a32174b64aaf64b2b69064e37/FLAG1bff7427c [2024-11-13 22:00:58,773 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/data/7d0312268/32de086a32174b64aaf64b2b69064e37 [2024-11-13 22:00:58,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:00:58,781 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:00:58,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:00:58,783 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:00:58,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:00:58,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:00:58" (1/1) ... [2024-11-13 22:00:58,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ccc9954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:58, skipping insertion in model container [2024-11-13 22:00:58,795 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:00:58" (1/1) ... [2024-11-13 22:00:58,818 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:00:59,012 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_9e04bf0c-badd-4161-ada9-199ab8144d23/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c[458,471] [2024-11-13 22:00:59,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:00:59,060 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:00:59,078 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_9e04bf0c-badd-4161-ada9-199ab8144d23/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c[458,471] [2024-11-13 22:00:59,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:00:59,111 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:00:59,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:59 WrapperNode [2024-11-13 22:00:59,112 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:00:59,113 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:00:59,113 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:00:59,114 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:00:59,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:59" (1/1) ... [2024-11-13 22:00:59,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:59" (1/1) ... [2024-11-13 22:00:59,155 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2024-11-13 22:00:59,157 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:00:59,158 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:00:59,158 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:00:59,158 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:00:59,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:59" (1/1) ... [2024-11-13 22:00:59,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:59" (1/1) ... [2024-11-13 22:00:59,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:59" (1/1) ... [2024-11-13 22:00:59,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:59" (1/1) ... [2024-11-13 22:00:59,180 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:59" (1/1) ... [2024-11-13 22:00:59,184 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:59" (1/1) ... [2024-11-13 22:00:59,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:59" (1/1) ... [2024-11-13 22:00:59,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:59" (1/1) ... [2024-11-13 22:00:59,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:00:59,193 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:00:59,193 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:00:59,193 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:00:59,198 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:59" (1/1) ... [2024-11-13 22:00:59,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:00:59,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:00:59,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:00:59,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:00:59,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:00:59,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:00:59,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:00:59,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:00:59,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:00:59,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:00:59,369 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:00:59,371 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:00:59,591 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 22:00:59,591 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:00:59,679 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:00:59,679 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:00:59,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:00:59 BoogieIcfgContainer [2024-11-13 22:00:59,680 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:00:59,681 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:00:59,681 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:00:59,695 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:00:59,696 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:00:59" (1/1) ... [2024-11-13 22:00:59,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:00:59,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:59,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-13 22:00:59,810 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-13 22:00:59,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:00:59,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:59,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:00,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:01:00,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:00,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:00,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:00,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-13 22:01:00,355 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-13 22:01:00,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:01:00,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:00,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:00,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:01:00,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:00,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:00,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:00,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-13 22:01:00,580 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-13 22:01:00,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:01:00,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:00,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:00,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:01:00,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:00,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:01,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:01,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2024-11-13 22:01:01,148 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2024-11-13 22:01:01,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:01:01,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:01,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:01,560 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:01:02,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:02,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 32 transitions. [2024-11-13 22:01:02,161 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-13 22:01:02,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:01:02,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:02,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:02,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:01:02,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:02,593 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:01:03,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:03,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 48 transitions. [2024-11-13 22:01:03,488 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2024-11-13 22:01:03,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:01:03,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:03,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:03,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:01:03,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:03,705 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:01:04,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:04,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 52 transitions. [2024-11-13 22:01:04,078 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-11-13 22:01:04,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:01:04,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:04,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:04,324 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:01:04,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:04,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 54 transitions. [2024-11-13 22:01:04,585 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2024-11-13 22:01:04,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:01:04,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:04,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:04,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 22:01:04,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:05,047 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:01:06,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:06,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 68 transitions. [2024-11-13 22:01:06,245 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2024-11-13 22:01:06,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:01:06,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:06,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:06,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 22:01:06,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:06,521 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:01:07,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:07,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 72 transitions. [2024-11-13 22:01:07,007 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2024-11-13 22:01:07,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:01:07,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:07,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:07,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:07,173 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 22:01:07,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:07,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 74 transitions. [2024-11-13 22:01:07,469 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2024-11-13 22:01:07,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 22:01:07,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:07,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:07,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 22:01:07,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:07,928 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 22:01:09,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:09,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 88 transitions. [2024-11-13 22:01:09,332 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2024-11-13 22:01:09,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:01:09,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:09,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:09,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 22:01:09,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:09,720 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 22:01:10,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:10,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 52 states and 92 transitions. [2024-11-13 22:01:10,329 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2024-11-13 22:01:10,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:01:10,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:10,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:10,437 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-13 22:01:10,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:10,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 53 states and 94 transitions. [2024-11-13 22:01:10,788 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2024-11-13 22:01:10,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 22:01:10,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:10,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:10,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 22:01:10,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:11,256 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:01:12,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:12,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 60 states and 108 transitions. [2024-11-13 22:01:12,795 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 108 transitions. [2024-11-13 22:01:12,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 22:01:12,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:12,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:12,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 22:01:12,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:13,146 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:01:13,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:13,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 62 states and 112 transitions. [2024-11-13 22:01:13,810 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 112 transitions. [2024-11-13 22:01:13,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 22:01:13,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:13,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:13,954 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 22:01:14,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:14,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 63 states and 114 transitions. [2024-11-13 22:01:14,358 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 114 transitions. [2024-11-13 22:01:14,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:01:14,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:14,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:14,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 22:01:14,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:14,871 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 22:01:16,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:16,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 70 states and 128 transitions. [2024-11-13 22:01:16,492 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 128 transitions. [2024-11-13 22:01:16,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 22:01:16,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:16,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:16,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 22:01:16,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:17,634 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 26 proven. 58 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-13 22:01:18,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:18,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 72 states and 132 transitions. [2024-11-13 22:01:18,594 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 132 transitions. [2024-11-13 22:01:18,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 22:01:18,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:18,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:18,691 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-13 22:01:19,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:19,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 73 states and 134 transitions. [2024-11-13 22:01:19,176 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 134 transitions. [2024-11-13 22:01:19,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 22:01:19,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:19,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:19,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 22:01:19,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:19,794 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 13 proven. 82 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 22:01:21,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:21,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 80 states and 148 transitions. [2024-11-13 22:01:21,638 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 148 transitions. [2024-11-13 22:01:21,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 22:01:21,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:21,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:21,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 22:01:21,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:22,849 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 31 proven. 78 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 22:01:24,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:24,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 82 states and 152 transitions. [2024-11-13 22:01:24,233 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 152 transitions. [2024-11-13 22:01:24,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-13 22:01:24,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:24,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:24,352 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 22:01:24,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:24,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 83 states and 154 transitions. [2024-11-13 22:01:24,774 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 154 transitions. [2024-11-13 22:01:24,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 22:01:24,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:24,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:24,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-13 22:01:24,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:26,179 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 32 proven. 104 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-13 22:01:28,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:28,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 90 states and 168 transitions. [2024-11-13 22:01:28,695 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 168 transitions. [2024-11-13 22:01:28,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 22:01:28,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:28,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:29,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 22:01:29,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:29,591 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 32 proven. 120 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-13 22:01:30,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:30,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 92 states and 172 transitions. [2024-11-13 22:01:30,623 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 172 transitions. [2024-11-13 22:01:30,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 22:01:30,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:30,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:30,760 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-13 22:01:31,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:31,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 93 states and 174 transitions. [2024-11-13 22:01:31,211 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 174 transitions. [2024-11-13 22:01:31,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 22:01:31,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:31,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:31,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-13 22:01:31,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:32,132 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 41 proven. 109 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-13 22:01:34,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:34,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 100 states and 188 transitions. [2024-11-13 22:01:34,518 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 188 transitions. [2024-11-13 22:01:34,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 22:01:34,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:34,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:35,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 22:01:35,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:35,493 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 51 proven. 147 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-13 22:01:36,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:36,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 102 states and 192 transitions. [2024-11-13 22:01:36,591 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 192 transitions. [2024-11-13 22:01:36,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 22:01:36,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:36,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:36,751 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-13 22:01:37,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:37,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 103 states and 194 transitions. [2024-11-13 22:01:37,499 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 194 transitions. [2024-11-13 22:01:37,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-13 22:01:37,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:37,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:37,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 22:01:37,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:38,457 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 20 proven. 135 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 22:01:41,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:41,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 110 states and 208 transitions. [2024-11-13 22:01:41,490 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 208 transitions. [2024-11-13 22:01:41,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 22:01:41,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:41,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:41,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 22:01:41,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:42,472 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 46 proven. 156 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-13 22:01:43,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:43,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 112 states and 212 transitions. [2024-11-13 22:01:43,804 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 212 transitions. [2024-11-13 22:01:43,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 22:01:43,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:43,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:43,932 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 57 proven. 4 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-13 22:01:44,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:44,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 113 states and 214 transitions. [2024-11-13 22:01:44,673 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 214 transitions. [2024-11-13 22:01:44,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 22:01:44,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:44,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:44,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-13 22:01:44,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:45,595 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 22 proven. 165 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-13 22:01:48,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:48,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 120 states and 228 transitions. [2024-11-13 22:01:48,710 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 228 transitions. [2024-11-13 22:01:48,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 22:01:48,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:48,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:49,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 22:01:49,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:49,638 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 51 proven. 188 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-13 22:01:50,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:50,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 122 states and 232 transitions. [2024-11-13 22:01:50,873 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 232 transitions. [2024-11-13 22:01:50,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-13 22:01:50,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:50,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:51,019 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 63 proven. 4 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-13 22:01:51,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:51,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 123 states and 234 transitions. [2024-11-13 22:01:51,793 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 234 transitions. [2024-11-13 22:01:51,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-13 22:01:51,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:51,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:51,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-13 22:01:51,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:52,724 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 23 proven. 232 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-13 22:01:56,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:56,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 130 states and 248 transitions. [2024-11-13 22:01:56,117 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 248 transitions. [2024-11-13 22:01:56,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 22:01:56,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:56,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:56,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 22:01:56,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:57,097 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 56 proven. 223 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-13 22:01:58,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:58,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 132 states and 252 transitions. [2024-11-13 22:01:58,484 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 252 transitions. [2024-11-13 22:01:58,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 22:01:58,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:58,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:58,598 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2024-11-13 22:01:59,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:59,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 133 states and 254 transitions. [2024-11-13 22:01:59,545 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 254 transitions. [2024-11-13 22:01:59,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 22:01:59,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:59,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:59,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-13 22:01:59,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:00,491 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 26 proven. 234 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 22:02:04,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:04,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 140 states and 268 transitions. [2024-11-13 22:02:04,116 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 268 transitions. [2024-11-13 22:02:04,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 22:02:04,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:04,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:02:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:08,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 22:02:08,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:09,226 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 61 proven. 261 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-13 22:02:10,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:10,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 142 states and 272 transitions. [2024-11-13 22:02:10,901 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 272 transitions. [2024-11-13 22:02:10,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 22:02:10,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:10,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:11,049 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 75 proven. 4 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2024-11-13 22:02:11,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:11,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 143 states and 274 transitions. [2024-11-13 22:02:11,872 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 274 transitions. [2024-11-13 22:02:11,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-13 22:02:11,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:11,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:02:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:11,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-13 22:02:12,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:12,887 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 28 proven. 273 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 22:02:16,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:16,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 150 states and 288 transitions. [2024-11-13 22:02:16,647 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 288 transitions. [2024-11-13 22:02:16,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 22:02:16,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:16,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:02:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:02:26,747 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 22:02:26,761 INFO L158 Benchmark]: Toolchain (without parser) took 87976.36ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 92.4MB in the beginning and 328.1MB in the end (delta: -235.7MB). Peak memory consumption was 123.6MB. Max. memory is 16.1GB. [2024-11-13 22:02:26,762 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 83.9MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:02:26,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.27ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 81.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:02:26,763 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.21ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:02:26,763 INFO L158 Benchmark]: Boogie Preprocessor took 33.87ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 79.3MB in the end (delta: 488.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:02:26,763 INFO L158 Benchmark]: RCFGBuilder took 486.98ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 67.8MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:02:26,764 INFO L158 Benchmark]: CodeCheck took 87073.70ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 67.8MB in the beginning and 328.1MB in the end (delta: -260.3MB). Peak memory consumption was 98.4MB. Max. memory is 16.1GB. [2024-11-13 22:02:26,768 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 0.54ms. Allocated memory is still 83.9MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.27ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 81.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.21ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.87ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 79.3MB in the end (delta: 488.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 486.98ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 67.8MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 87073.70ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 67.8MB in the beginning and 328.1MB in the end (delta: -260.3MB). Peak memory consumption was 98.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:02:26,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/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_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/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_9e04bf0c-badd-4161-ada9-199ab8144d23/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 dcebefc76bde79b9a5fa67feebc75881761b0a4209b78516b385f787f62f9340 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:02:29,924 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:02:30,075 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:02:30,110 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:02:30,111 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:02:30,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:02:30,116 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:02:30,116 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:02:30,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:02:30,116 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:02:30,116 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:02:30,117 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:02:30,117 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:02:30,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:02:30,117 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:02:30,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:02:30,117 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:02:30,117 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:02:30,117 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:02:30,117 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:02:30,117 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:02:30,117 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:02:30,118 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:02:30,118 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:02:30,118 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:02:30,118 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:02:30,118 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:30,118 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:02:30,118 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:02:30,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:02:30,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:02:30,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:02:30,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:02:30,120 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:02:30,120 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:30,120 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:02:30,120 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_9e04bf0c-badd-4161-ada9-199ab8144d23/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 -> dcebefc76bde79b9a5fa67feebc75881761b0a4209b78516b385f787f62f9340 [2024-11-13 22:02:30,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:02:30,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:02:30,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:02:30,458 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:02:30,463 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:02:30,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c Unable to find full path for "g++" [2024-11-13 22:02:32,599 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:02:32,882 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:02:32,886 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c [2024-11-13 22:02:32,915 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/data/cc72cb967/7859754a647b48f4b34b73de48f5cd09/FLAG8280bb789 [2024-11-13 22:02:32,942 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/data/cc72cb967/7859754a647b48f4b34b73de48f5cd09 [2024-11-13 22:02:32,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:02:32,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:02:32,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:02:32,953 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:02:32,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:02:32,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:02:32" (1/1) ... [2024-11-13 22:02:32,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a25c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:32, skipping insertion in model container [2024-11-13 22:02:32,964 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:02:32" (1/1) ... [2024-11-13 22:02:32,982 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:02:33,175 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_9e04bf0c-badd-4161-ada9-199ab8144d23/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c[458,471] [2024-11-13 22:02:33,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:02:33,223 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:02:33,240 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_9e04bf0c-badd-4161-ada9-199ab8144d23/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c[458,471] [2024-11-13 22:02:33,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:02:33,273 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:02:33,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:33 WrapperNode [2024-11-13 22:02:33,274 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:02:33,275 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:02:33,275 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:02:33,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:02:33,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:33" (1/1) ... [2024-11-13 22:02:33,293 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:33" (1/1) ... [2024-11-13 22:02:33,310 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-13 22:02:33,310 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:02:33,311 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:02:33,311 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:02:33,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:02:33,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:33" (1/1) ... [2024-11-13 22:02:33,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:33" (1/1) ... [2024-11-13 22:02:33,323 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:33" (1/1) ... [2024-11-13 22:02:33,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:33" (1/1) ... [2024-11-13 22:02:33,331 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:33" (1/1) ... [2024-11-13 22:02:33,334 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:33" (1/1) ... [2024-11-13 22:02:33,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:33" (1/1) ... [2024-11-13 22:02:33,336 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:33" (1/1) ... [2024-11-13 22:02:33,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:02:33,339 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:02:33,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:02:33,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:02:33,340 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:33" (1/1) ... [2024-11-13 22:02:33,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:02:33,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:02:33,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:02:33,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:02:33,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:02:33,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:02:33,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:02:33,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:02:33,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:02:33,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:02:33,470 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:02:33,472 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:02:33,730 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 22:02:33,730 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:02:33,790 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:02:33,790 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:02:33,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:02:33 BoogieIcfgContainer [2024-11-13 22:02:33,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:02:33,793 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:02:33,794 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:02:33,804 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:02:33,805 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:02:33" (1/1) ... [2024-11-13 22:02:33,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:02:33,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:33,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-13 22:02:33,868 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-13 22:02:33,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:02:33,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:33,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:33,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:33,873 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:33,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:02:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:34,181 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:34,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:02:34,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:34,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:34,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:02:36,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:36,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-13 22:02:36,572 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-13 22:02:36,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:02:36,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:36,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:36,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:36,583 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:36,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:02:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:36,925 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:37,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:02:37,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:37,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:37,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 22:02:41,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:41,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2024-11-13 22:02:41,835 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2024-11-13 22:02:41,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:02:41,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:41,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:41,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:41,840 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:41,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:02:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:42,363 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:42,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:02:42,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:43,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:43,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 22:02:45,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:45,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2024-11-13 22:02:45,711 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2024-11-13 22:02:45,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:02:45,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:45,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:45,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:45,715 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:45,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:02:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:45,771 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:45,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:02:45,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:58,277 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:02:58,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 22:03:24,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:03:25,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:25,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2024-11-13 22:03:25,176 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2024-11-13 22:03:25,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:03:25,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:25,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:25,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:25,182 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:25,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:03:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:25,835 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:26,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 22:03:26,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:28,637 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:03:28,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 22:03:42,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:42,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 36 states and 68 transitions. [2024-11-13 22:03:42,240 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 68 transitions. [2024-11-13 22:03:42,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:03:42,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:42,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:42,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:42,245 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:42,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:03:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:43,024 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:43,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 22:03:43,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:44,613 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:03:44,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 22:03:51,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:51,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 74 transitions. [2024-11-13 22:03:51,065 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2024-11-13 22:03:51,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:03:51,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:51,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:51,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:51,069 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:51,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:03:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:51,120 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:51,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:03:51,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:54,787 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:03:54,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 22:04:08,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:08,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2024-11-13 22:04:08,354 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2024-11-13 22:04:08,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:04:08,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:08,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:08,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:08,358 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:08,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 22:04:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:09,184 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:09,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:04:09,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:13,189 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:04:13,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 22:04:26,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:26,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 44 states and 88 transitions. [2024-11-13 22:04:26,844 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 88 transitions. [2024-11-13 22:04:26,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:26,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:26,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:26,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:26,850 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:26,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 22:04:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:27,880 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:28,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 22:04:28,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:30,028 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:04:30,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 22:04:38,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:38,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 47 states and 94 transitions. [2024-11-13 22:04:38,075 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 94 transitions. [2024-11-13 22:04:38,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:04:38,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:38,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:38,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:38,079 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:38,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 22:04:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:38,145 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:38,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:04:38,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:41,678 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 22:04:41,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 22:05:00,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:00,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 48 states and 97 transitions. [2024-11-13 22:05:00,360 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 97 transitions. [2024-11-13 22:05:00,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 22:05:00,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:00,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:00,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:00,366 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:00,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 22:05:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:01,511 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:02,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 22:05:02,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:05,385 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 22:05:05,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 22:05:22,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:22,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 52 states and 108 transitions. [2024-11-13 22:05:22,598 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 108 transitions. [2024-11-13 22:05:22,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:05:22,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:22,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:22,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:22,606 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:22,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 22:05:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:23,947 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:24,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 22:05:24,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:26,467 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 7 proven. 36 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 22:05:26,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-13 22:05:38,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:38,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 55 states and 114 transitions. [2024-11-13 22:05:38,192 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 114 transitions. [2024-11-13 22:05:38,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:05:38,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:38,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:38,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:38,200 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:38,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 22:05:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:38,271 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:38,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:05:38,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:42,364 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-13 22:05:42,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 22:06:02,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:02,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 56 states and 117 transitions. [2024-11-13 22:06:02,144 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 117 transitions. [2024-11-13 22:06:02,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 22:06:02,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:02,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:02,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:02,148 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:02,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 22:06:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:03,626 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:04,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:06:04,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:11,164 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 9 proven. 43 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 22:06:11,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 22:06:33,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:06:35,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:35,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 60 states and 128 transitions. [2024-11-13 22:06:35,098 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 128 transitions. [2024-11-13 22:06:35,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 22:06:35,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:35,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:35,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:35,101 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:35,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 22:06:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:36,721 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:37,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 22:06:37,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:40,139 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 9 proven. 53 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 22:06:40,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 22:06:51,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:51,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 63 states and 134 transitions. [2024-11-13 22:06:51,850 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 134 transitions. [2024-11-13 22:06:51,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 22:06:51,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:51,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:51,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:51,854 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:51,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 22:06:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:51,920 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:52,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:06:52,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:56,494 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 22:06:56,495 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:06:56,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-13 22:07:18,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:18,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 64 states and 137 transitions. [2024-11-13 22:07:18,173 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 137 transitions. [2024-11-13 22:07:18,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:07:18,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:18,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:07:18,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:07:18,177 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:07:18,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 22:07:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:20,026 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:07:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:20,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 22:07:20,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:07:26,589 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 11 proven. 61 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-13 22:07:26,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 22:07:52,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:52,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 68 states and 148 transitions. [2024-11-13 22:07:52,277 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 148 transitions. [2024-11-13 22:07:52,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 22:07:52,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:52,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:07:52,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:07:52,282 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:07:52,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 22:07:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:54,262 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:07:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:55,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 22:07:55,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:07:58,373 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 19 proven. 74 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 22:07:58,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-13 22:08:13,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:13,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 71 states and 154 transitions. [2024-11-13 22:08:13,735 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 154 transitions. [2024-11-13 22:08:13,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 22:08:13,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:13,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:08:13,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:08:13,740 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:08:13,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 22:08:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:13,809 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:08:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:14,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:08:14,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:08:18,339 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-13 22:08:18,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 22:08:41,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:41,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 72 states and 157 transitions. [2024-11-13 22:08:41,973 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 157 transitions. [2024-11-13 22:08:41,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 22:08:41,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:41,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:08:41,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:08:41,978 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:08:41,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 22:08:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:43,889 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:08:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:44,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 22:08:44,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:08:53,885 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 13 proven. 82 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 22:08:53,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 22:09:26,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:26,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 76 states and 168 transitions. [2024-11-13 22:09:26,032 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 168 transitions. [2024-11-13 22:09:26,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 22:09:26,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:26,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:26,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:09:26,037 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:09:26,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 22:09:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:28,141 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:09:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:29,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 22:09:29,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:09:33,537 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 32 proven. 95 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-13 22:09:33,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 22:09:50,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:50,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 79 states and 174 transitions. [2024-11-13 22:09:50,308 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 174 transitions. [2024-11-13 22:09:50,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-13 22:09:50,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:50,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:50,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:09:50,312 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:09:50,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 22:09:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:50,390 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:09:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:51,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:09:51,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:09:54,860 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 22:09:54,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 22:10:21,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:21,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 80 states and 177 transitions. [2024-11-13 22:10:21,201 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 177 transitions. [2024-11-13 22:10:21,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 22:10:21,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:21,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:10:21,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:10:21,204 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:10:21,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 22:10:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:23,439 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:10:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:24,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 22:10:24,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:33,163 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 15 proven. 106 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-13 22:10:33,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 22:11:11,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:11:11,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:11,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 84 states and 188 transitions. [2024-11-13 22:11:11,199 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 188 transitions. [2024-11-13 22:11:11,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 22:11:11,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:11,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:11,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:11,202 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:11,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 22:11:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:13,544 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:14,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 22:11:14,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:20,000 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 34 proven. 127 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-13 22:11:20,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 22:11:40,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:40,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 87 states and 194 transitions. [2024-11-13 22:11:40,440 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 194 transitions. [2024-11-13 22:11:40,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 22:11:40,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:40,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:40,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:40,447 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:40,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 22:11:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:40,537 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:41,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:11:41,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:44,940 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-13 22:11:44,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-13 22:12:10,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:10,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 88 states and 197 transitions. [2024-11-13 22:12:10,227 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 197 transitions. [2024-11-13 22:12:10,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 22:12:10,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:10,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:12:10,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:12:10,233 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:12:10,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 22:12:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:12,753 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:12:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:13,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 22:12:13,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:35,706 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 17 proven. 133 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-13 22:12:35,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 22:13:30,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:30,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 92 states and 208 transitions. [2024-11-13 22:13:30,775 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 208 transitions. [2024-11-13 22:13:30,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 22:13:30,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:30,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:30,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:13:30,779 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:13:30,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 22:13:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:34,008 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:13:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:35,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 22:13:35,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:41,618 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 36 proven. 162 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-13 22:13:41,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-13 22:14:06,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:06,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 95 states and 214 transitions. [2024-11-13 22:14:06,709 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 214 transitions. [2024-11-13 22:14:06,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 22:14:06,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:06,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:14:06,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:14:06,713 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:14:06,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 22:14:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:06,787 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:14:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:07,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:14:07,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:12,599 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-13 22:14:12,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 22:14:42,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:42,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 96 states and 217 transitions. [2024-11-13 22:14:42,028 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 217 transitions. [2024-11-13 22:14:42,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-13 22:14:42,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:42,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:14:42,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:14:42,038 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:14:42,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 22:14:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:45,134 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:14:46,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:46,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 22:14:46,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:59,399 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 19 proven. 163 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-13 22:14:59,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e04bf0c-badd-4161-ada9-199ab8144d23/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0