./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.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_8209c894-3fd4-4487-85b2-f80cf6be9248/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8209c894-3fd4-4487-85b2-f80cf6be9248/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_8209c894-3fd4-4487-85b2-f80cf6be9248/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8209c894-3fd4-4487-85b2-f80cf6be9248/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8209c894-3fd4-4487-85b2-f80cf6be9248/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_8209c894-3fd4-4487-85b2-f80cf6be9248/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 5e99154d55f7fd098c0e840b496605adea5c7214bf70234e7c54dceeadfa306b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:18:38,342 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:18:38,401 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8209c894-3fd4-4487-85b2-f80cf6be9248/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:18:38,407 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:18:38,407 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:18:38,430 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:18:38,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:18:38,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:18:38,431 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:18:38,432 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:18:38,432 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:18:38,432 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:18:38,432 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:18:38,432 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:18:38,432 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:18:38,432 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:18:38,432 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:18:38,433 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:18:38,433 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:18:38,433 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:18:38,433 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:18:38,433 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:18:38,433 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:18:38,433 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:18:38,433 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:18:38,433 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:18:38,434 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:18:38,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:18:38,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:18:38,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:18:38,434 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:18:38,434 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:18:38,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:18:38,434 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_8209c894-3fd4-4487-85b2-f80cf6be9248/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 -> 5e99154d55f7fd098c0e840b496605adea5c7214bf70234e7c54dceeadfa306b [2024-11-13 20:18:38,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:18:38,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:18:38,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:18:38,762 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:18:38,762 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:18:38,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8209c894-3fd4-4487-85b2-f80cf6be9248/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c Unable to find full path for "g++" [2024-11-13 20:18:40,782 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:18:41,120 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:18:41,120 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8209c894-3fd4-4487-85b2-f80cf6be9248/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c [2024-11-13 20:18:41,131 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8209c894-3fd4-4487-85b2-f80cf6be9248/bin/ukojak-verify-EEHR8qb7sm/data/dace5a00c/c78046fc18274ee799cf89e97e9f1c2b/FLAGde6901ee3 [2024-11-13 20:18:41,145 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8209c894-3fd4-4487-85b2-f80cf6be9248/bin/ukojak-verify-EEHR8qb7sm/data/dace5a00c/c78046fc18274ee799cf89e97e9f1c2b [2024-11-13 20:18:41,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:18:41,148 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:18:41,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:18:41,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:18:41,154 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:18:41,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:18:41" (1/1) ... [2024-11-13 20:18:41,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a684707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:41, skipping insertion in model container [2024-11-13 20:18:41,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:18:41" (1/1) ... [2024-11-13 20:18:41,183 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:18:41,456 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_8209c894-3fd4-4487-85b2-f80cf6be9248/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c[12751,12764] [2024-11-13 20:18:41,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:18:41,471 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:18:41,525 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_8209c894-3fd4-4487-85b2-f80cf6be9248/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c[12751,12764] [2024-11-13 20:18:41,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:18:41,541 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:18:41,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:41 WrapperNode [2024-11-13 20:18:41,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:18:41,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:18:41,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:18:41,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:18:41,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:41" (1/1) ... [2024-11-13 20:18:41,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:41" (1/1) ... [2024-11-13 20:18:41,586 INFO L138 Inliner]: procedures = 24, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 384 [2024-11-13 20:18:41,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:18:41,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:18:41,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:18:41,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:18:41,595 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:41" (1/1) ... [2024-11-13 20:18:41,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:41" (1/1) ... [2024-11-13 20:18:41,597 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:41" (1/1) ... [2024-11-13 20:18:41,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:41" (1/1) ... [2024-11-13 20:18:41,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:41" (1/1) ... [2024-11-13 20:18:41,626 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:41" (1/1) ... [2024-11-13 20:18:41,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:41" (1/1) ... [2024-11-13 20:18:41,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:41" (1/1) ... [2024-11-13 20:18:41,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:18:41,641 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:18:41,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:18:41,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:18:41,642 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:41" (1/1) ... [2024-11-13 20:18:41,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:18:41,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8209c894-3fd4-4487-85b2-f80cf6be9248/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:18:41,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8209c894-3fd4-4487-85b2-f80cf6be9248/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:18:41,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8209c894-3fd4-4487-85b2-f80cf6be9248/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:18:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:18:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:18:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:18:41,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:18:41,809 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:18:41,811 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:18:42,465 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-13 20:18:42,465 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:18:43,151 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:18:43,152 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:18:43,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:43 BoogieIcfgContainer [2024-11-13 20:18:43,152 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:18:43,153 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:18:43,153 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:18:43,164 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:18:43,164 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:43" (1/1) ... [2024-11-13 20:18:43,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:18:43,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:43,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:18:43,239 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:18:43,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:18:43,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:43,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:18:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:46,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:46,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:46,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2024-11-13 20:18:46,378 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2024-11-13 20:18:46,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:18:46,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:46,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:18:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:55,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:18:57,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:57,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 13 states and 22 transitions. [2024-11-13 20:18:57,060 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 22 transitions. [2024-11-13 20:18:57,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 20:18:57,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:57,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:18:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:00,642 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:19:03,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:03,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 19 states and 37 transitions. [2024-11-13 20:19:03,637 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 37 transitions. [2024-11-13 20:19:03,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:19:03,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:03,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:41,232 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:20:16,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:16,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 29 states and 72 transitions. [2024-11-13 20:20:16,587 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 72 transitions. [2024-11-13 20:20:16,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:20:16,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:16,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:07,949 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:21:15,053 WARN L286 SmtUtils]: Spent 5.36s on a formula simplification. DAG size of input: 519 DAG size of output: 409 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:21:21,729 WARN L286 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 521 DAG size of output: 444 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:21:32,543 WARN L286 SmtUtils]: Spent 5.00s on a formula simplification. DAG size of input: 515 DAG size of output: 405 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:21:38,141 WARN L286 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 517 DAG size of output: 440 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:21:49,400 WARN L286 SmtUtils]: Spent 5.27s on a formula simplification. DAG size of input: 460 DAG size of output: 403 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:22:07,000 WARN L286 SmtUtils]: Spent 5.13s on a formula simplification. DAG size of input: 450 DAG size of output: 399 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:22:32,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:32,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 39 states and 109 transitions. [2024-11-13 20:22:32,538 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 109 transitions. [2024-11-13 20:22:32,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:22:32,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:32,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:22:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:37,048 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:22:51,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:51,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 45 states and 134 transitions. [2024-11-13 20:22:51,123 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 134 transitions. [2024-11-13 20:22:51,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:22:51,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:51,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:22:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:55,122 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:23:10,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:10,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 50 states and 150 transitions. [2024-11-13 20:23:10,506 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 150 transitions. [2024-11-13 20:23:10,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 20:23:10,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:10,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:23:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat