./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b5f5e2-d42c-4fa9-91d6-bfd61f90b3b5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b5f5e2-d42c-4fa9-91d6-bfd61f90b3b5/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b5f5e2-d42c-4fa9-91d6-bfd61f90b3b5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b5f5e2-d42c-4fa9-91d6-bfd61f90b3b5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b5f5e2-d42c-4fa9-91d6-bfd61f90b3b5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b5f5e2-d42c-4fa9-91d6-bfd61f90b3b5/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6994f5bfaf30a704120445031d2592cb0b289806736d22478b28cc84ed2b2216 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:51:05,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:51:05,751 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b5f5e2-d42c-4fa9-91d6-bfd61f90b3b5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:51:05,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:51:05,756 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:51:05,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:51:05,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:51:05,776 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:51:05,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:51:05,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:51:05,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:51:05,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:51:05,777 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:51:05,777 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:51:05,777 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:51:05,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:51:05,777 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:51:05,777 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:51:05,777 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:51:05,777 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:51:05,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:51:05,778 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:51:05,778 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:51:05,778 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:51:05,778 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:51:05,778 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:51:05,778 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:51:05,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:51:05,778 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:51:05,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:51:05,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:51:05,778 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:51:05,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:51:05,779 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_70b5f5e2-d42c-4fa9-91d6-bfd61f90b3b5/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6994f5bfaf30a704120445031d2592cb0b289806736d22478b28cc84ed2b2216 [2024-12-06 02:51:05,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:51:05,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:51:05,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:51:05,992 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:51:05,993 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:51:05,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b5f5e2-d42c-4fa9-91d6-bfd61f90b3b5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c [2024-12-06 02:51:08,595 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b5f5e2-d42c-4fa9-91d6-bfd61f90b3b5/bin/ukojak-verify-CZk0znPC7b/data/d3e4b33e8/a0b7637faa894a97824d6db55294ffa1/FLAG5dd3a1179 [2024-12-06 02:51:08,807 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:51:08,808 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b5f5e2-d42c-4fa9-91d6-bfd61f90b3b5/sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c [2024-12-06 02:51:08,817 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b5f5e2-d42c-4fa9-91d6-bfd61f90b3b5/bin/ukojak-verify-CZk0znPC7b/data/d3e4b33e8/a0b7637faa894a97824d6db55294ffa1/FLAG5dd3a1179 [2024-12-06 02:51:09,165 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b5f5e2-d42c-4fa9-91d6-bfd61f90b3b5/bin/ukojak-verify-CZk0znPC7b/data/d3e4b33e8/a0b7637faa894a97824d6db55294ffa1 [2024-12-06 02:51:09,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:51:09,168 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:51:09,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:51:09,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:51:09,171 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:51:09,172 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:51:09" (1/1) ... [2024-12-06 02:51:09,173 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c0362a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:51:09, skipping insertion in model container [2024-12-06 02:51:09,173 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:51:09" (1/1) ... [2024-12-06 02:51:09,192 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:51:09,355 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_70b5f5e2-d42c-4fa9-91d6-bfd61f90b3b5/sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c[11335,11348] [2024-12-06 02:51:09,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:51:09,367 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:51:09,410 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_70b5f5e2-d42c-4fa9-91d6-bfd61f90b3b5/sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c[11335,11348] [2024-12-06 02:51:09,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:51:09,424 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:51:09,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:51:09 WrapperNode [2024-12-06 02:51:09,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:51:09,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:51:09,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:51:09,426 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:51:09,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:51:09" (1/1) ... [2024-12-06 02:51:09,440 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:51:09" (1/1) ... [2024-12-06 02:51:09,463 INFO L138 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 333 [2024-12-06 02:51:09,463 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:51:09,464 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:51:09,464 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:51:09,464 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:51:09,472 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:51:09" (1/1) ... [2024-12-06 02:51:09,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:51:09" (1/1) ... [2024-12-06 02:51:09,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:51:09" (1/1) ... [2024-12-06 02:51:09,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:51:09" (1/1) ... [2024-12-06 02:51:09,479 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:51:09" (1/1) ... [2024-12-06 02:51:09,480 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:51:09" (1/1) ... [2024-12-06 02:51:09,484 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:51:09" (1/1) ... [2024-12-06 02:51:09,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:51:09" (1/1) ... [2024-12-06 02:51:09,486 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:51:09" (1/1) ... [2024-12-06 02:51:09,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:51:09,489 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:51:09,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:51:09,489 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:51:09,490 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:51:09" (1/1) ... [2024-12-06 02:51:09,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:51:09,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b5f5e2-d42c-4fa9-91d6-bfd61f90b3b5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:51:09,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b5f5e2-d42c-4fa9-91d6-bfd61f90b3b5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:51:09,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b5f5e2-d42c-4fa9-91d6-bfd61f90b3b5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:51:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:51:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:51:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:51:09,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:51:09,609 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:51:09,611 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:51:09,980 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2024-12-06 02:51:09,980 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:51:10,299 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:51:10,299 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:51:10,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:51:10 BoogieIcfgContainer [2024-12-06 02:51:10,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:51:10,300 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:51:10,300 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:51:10,307 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:51:10,307 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:51:10" (1/1) ... [2024-12-06 02:51:10,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:51:10,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:51:10,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-12-06 02:51:10,350 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-12-06 02:51:10,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:51:10,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:51:10,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:51:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:51:11,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:51:11,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:51:11,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-12-06 02:51:11,957 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-12-06 02:51:11,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:51:11,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:51:11,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:51:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:51:12,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:51:12,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:51:12,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2024-12-06 02:51:12,647 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2024-12-06 02:51:12,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:51:12,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:51:12,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:51:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:51:13,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:51:13,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:51:13,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2024-12-06 02:51:13,998 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2024-12-06 02:51:14,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:51:14,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:51:14,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:51:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:51:14,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:51:14,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:51:14,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2024-12-06 02:51:14,542 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2024-12-06 02:51:14,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 02:51:14,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:51:14,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:51:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:51:23,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:51:30,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:51:30,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 59 transitions. [2024-12-06 02:51:30,326 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 59 transitions. [2024-12-06 02:51:30,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:51:30,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:51:30,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:51:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:51:34,469 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:51:43,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:51:43,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 81 transitions. [2024-12-06 02:51:43,816 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2024-12-06 02:51:43,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:51:43,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:51:43,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:51:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:51:44,225 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:51:48,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:51:48,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 52 states and 101 transitions. [2024-12-06 02:51:48,512 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 101 transitions. [2024-12-06 02:51:48,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:51:48,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:51:48,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:51:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:51:48,833 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:51:49,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:51:49,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 53 states and 104 transitions. [2024-12-06 02:51:49,391 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 104 transitions. [2024-12-06 02:51:49,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:51:49,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:51:49,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:51:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:51:53,738 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:52:00,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:52:00,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 64 states and 126 transitions. [2024-12-06 02:52:00,736 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 126 transitions. [2024-12-06 02:52:00,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:52:00,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:52:00,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:52:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:52:02,345 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:52:11,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:52:11,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 75 states and 161 transitions. [2024-12-06 02:52:11,668 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 161 transitions. [2024-12-06 02:52:11,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:52:11,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:52:11,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:52:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:52:12,161 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:52:15,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:52:15,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 81 states and 171 transitions. [2024-12-06 02:52:15,155 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 171 transitions. [2024-12-06 02:52:15,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:52:15,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:52:15,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:52:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:52:15,521 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:52:16,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:52:16,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 82 states and 174 transitions. [2024-12-06 02:52:16,199 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 174 transitions. [2024-12-06 02:52:16,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:52:16,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:52:16,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:52:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:52:17,703 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:52:26,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:52:26,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 95 states and 201 transitions. [2024-12-06 02:52:26,833 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 201 transitions. [2024-12-06 02:52:26,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:52:26,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:52:26,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:52:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:52:28,349 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:52:32,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:52:32,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 103 states and 217 transitions. [2024-12-06 02:52:32,885 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 217 transitions. [2024-12-06 02:52:32,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 02:52:32,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:52:32,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:52:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:52:33,612 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 02:52:34,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:52:34,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 101 states and 203 transitions. [2024-12-06 02:52:34,922 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 203 transitions. [2024-12-06 02:52:34,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:52:34,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:52:34,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:52:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:30,742 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:54:25,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:54:25,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 126 states and 267 transitions. [2024-12-06 02:54:25,406 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 267 transitions. [2024-12-06 02:54:25,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:54:25,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:54:25,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:54:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:40,067 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:57:46,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:57:46,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 151 states and 339 transitions. [2024-12-06 02:57:46,603 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 339 transitions. [2024-12-06 02:57:46,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:57:46,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:57:46,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:57:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:01:02,993 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:02:20,823 WARN L286 SmtUtils]: Spent 5.07s on a formula simplification. DAG size of input: 550 DAG size of output: 399 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:04:35,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:35,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 176 states and 415 transitions. [2024-12-06 03:04:35,022 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 415 transitions. [2024-12-06 03:04:35,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 03:04:35,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:35,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:04:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat