./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.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_a2737be0-ffde-49cd-8696-528266a5ab52/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2737be0-ffde-49cd-8696-528266a5ab52/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2737be0-ffde-49cd-8696-528266a5ab52/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2737be0-ffde-49cd-8696-528266a5ab52/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2737be0-ffde-49cd-8696-528266a5ab52/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2737be0-ffde-49cd-8696-528266a5ab52/bin/ukojak-verify-ENZ3QT5qd3 --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 252cd4a0f8e1adbe16c63dba2a525d461eb83ddbfd931d93e6b7ef83b52daaf7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:16:57,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:16:58,078 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2737be0-ffde-49cd-8696-528266a5ab52/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:16:58,083 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:16:58,084 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:16:58,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:16:58,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:16:58,121 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:16:58,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:16:58,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:16:58,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:16:58,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:16:58,122 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:16:58,122 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:16:58,122 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:16:58,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:16:58,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:16:58,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:16:58,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:16:58,125 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:16:58,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:16:58,126 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:16:58,126 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:16:58,126 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:16:58,126 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:16:58,127 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:16:58,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:16:58,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:16:58,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:16:58,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:16:58,127 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:16:58,127 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:16:58,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:16:58,127 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_a2737be0-ffde-49cd-8696-528266a5ab52/bin/ukojak-verify-ENZ3QT5qd3 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 -> 252cd4a0f8e1adbe16c63dba2a525d461eb83ddbfd931d93e6b7ef83b52daaf7 [2024-11-25 03:16:58,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:16:58,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:16:58,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:16:58,465 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:16:58,466 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:16:58,467 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2737be0-ffde-49cd-8696-528266a5ab52/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c [2024-11-25 03:17:01,879 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2737be0-ffde-49cd-8696-528266a5ab52/bin/ukojak-verify-ENZ3QT5qd3/data/aabb62310/150d3d5187994f4cbed9d40807f5a84f/FLAG00b86fc2a [2024-11-25 03:17:02,272 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:17:02,273 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2737be0-ffde-49cd-8696-528266a5ab52/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c [2024-11-25 03:17:02,291 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2737be0-ffde-49cd-8696-528266a5ab52/bin/ukojak-verify-ENZ3QT5qd3/data/aabb62310/150d3d5187994f4cbed9d40807f5a84f/FLAG00b86fc2a [2024-11-25 03:17:02,314 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2737be0-ffde-49cd-8696-528266a5ab52/bin/ukojak-verify-ENZ3QT5qd3/data/aabb62310/150d3d5187994f4cbed9d40807f5a84f [2024-11-25 03:17:02,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:17:02,319 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:17:02,321 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:17:02,322 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:17:02,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:17:02,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:17:02" (1/1) ... [2024-11-25 03:17:02,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bae0eda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:02, skipping insertion in model container [2024-11-25 03:17:02,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:17:02" (1/1) ... [2024-11-25 03:17:02,376 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:17:02,679 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_a2737be0-ffde-49cd-8696-528266a5ab52/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c[20056,20069] [2024-11-25 03:17:02,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:17:02,695 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:17:02,769 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_a2737be0-ffde-49cd-8696-528266a5ab52/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c[20056,20069] [2024-11-25 03:17:02,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:17:02,789 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:17:02,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:02 WrapperNode [2024-11-25 03:17:02,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:17:02,791 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:17:02,792 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:17:02,792 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:17:02,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:02" (1/1) ... [2024-11-25 03:17:02,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:02" (1/1) ... [2024-11-25 03:17:02,864 INFO L138 Inliner]: procedures = 26, calls = 18, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 460 [2024-11-25 03:17:02,866 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:17:02,867 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:17:02,867 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:17:02,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:17:02,876 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:02" (1/1) ... [2024-11-25 03:17:02,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:02" (1/1) ... [2024-11-25 03:17:02,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:02" (1/1) ... [2024-11-25 03:17:02,884 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:02" (1/1) ... [2024-11-25 03:17:02,892 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:02" (1/1) ... [2024-11-25 03:17:02,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:02" (1/1) ... [2024-11-25 03:17:02,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:02" (1/1) ... [2024-11-25 03:17:02,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:02" (1/1) ... [2024-11-25 03:17:02,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:02" (1/1) ... [2024-11-25 03:17:02,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:17:02,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:17:02,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:17:02,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:17:02,929 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:02" (1/1) ... [2024-11-25 03:17:02,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:17:02,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2737be0-ffde-49cd-8696-528266a5ab52/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:17:02,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2737be0-ffde-49cd-8696-528266a5ab52/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:17:02,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2737be0-ffde-49cd-8696-528266a5ab52/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:17:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:17:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:17:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:17:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:17:03,115 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:17:03,117 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:17:03,879 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-11-25 03:17:03,879 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:17:04,885 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:17:04,885 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:17:04,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:17:04 BoogieIcfgContainer [2024-11-25 03:17:04,885 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:17:04,886 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:17:04,886 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:17:04,897 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:17:04,897 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:17:04" (1/1) ... [2024-11-25 03:17:04,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:17:04,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:17:04,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-25 03:17:04,963 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-25 03:17:04,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:17:04,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:17:04,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:17:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:17:08,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:17:08,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:17:08,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2024-11-25 03:17:08,764 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2024-11-25 03:17:08,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:17:08,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:17:08,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:17:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:17:10,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:17:11,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:17:11,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2024-11-25 03:17:11,260 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2024-11-25 03:17:11,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:17:11,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:17:11,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:17:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:17:11,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:17:12,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:17:12,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2024-11-25 03:17:12,353 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2024-11-25 03:17:12,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:17:12,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:17:12,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:17:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:17:12,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:17:13,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:17:13,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2024-11-25 03:17:13,040 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2024-11-25 03:17:13,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 03:17:13,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:17:13,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:17:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:17:23,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:17:29,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:17:29,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 35 states and 63 transitions. [2024-11-25 03:17:29,866 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 63 transitions. [2024-11-25 03:17:29,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 03:17:29,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:17:29,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:17:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:17:30,663 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:17:33,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:17:33,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 77 transitions. [2024-11-25 03:17:33,244 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2024-11-25 03:17:33,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 03:17:33,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:17:33,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:17:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:17:46,765 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:17:55,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:17:55,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 53 states and 101 transitions. [2024-11-25 03:17:55,291 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 101 transitions. [2024-11-25 03:17:55,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:17:55,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:17:55,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:17:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:17:56,902 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-25 03:17:57,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:17:57,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 54 states and 99 transitions. [2024-11-25 03:17:57,867 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 99 transitions. [2024-11-25 03:17:57,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 03:17:57,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:17:57,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:17:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:18:01,134 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:18:11,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:18:11,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 65 states and 134 transitions. [2024-11-25 03:18:11,044 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 134 transitions. [2024-11-25 03:18:11,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 03:18:11,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:18:11,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:18:11,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:18:14,460 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:18:23,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:18:23,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 80 states and 163 transitions. [2024-11-25 03:18:23,661 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 163 transitions. [2024-11-25 03:18:23,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 03:18:23,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:18:23,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:18:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:18:24,899 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:18:28,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:18:28,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 84 states and 182 transitions. [2024-11-25 03:18:28,794 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 182 transitions. [2024-11-25 03:18:28,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 03:18:28,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:18:28,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:18:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:18:32,444 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:18:43,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:18:43,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 94 states and 214 transitions. [2024-11-25 03:18:43,599 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 214 transitions. [2024-11-25 03:18:43,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 03:18:43,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:18:43,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:18:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:18:44,093 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:18:45,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:18:45,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 96 states and 219 transitions. [2024-11-25 03:18:45,311 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 219 transitions. [2024-11-25 03:18:45,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 03:18:45,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:18:45,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:18:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:18:48,612 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:19:01,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:01,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 107 states and 248 transitions. [2024-11-25 03:19:01,869 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 248 transitions. [2024-11-25 03:19:01,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 03:19:01,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:01,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:19:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:02,372 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:19:03,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:03,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 108 states and 250 transitions. [2024-11-25 03:19:03,149 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 250 transitions. [2024-11-25 03:19:03,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 03:19:03,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:03,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:19:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:03,805 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:19:04,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:04,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 109 states and 255 transitions. [2024-11-25 03:19:04,748 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 255 transitions. [2024-11-25 03:19:04,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:19:04,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:04,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:19:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:06,322 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:19:07,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:07,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 109 states and 254 transitions. [2024-11-25 03:19:07,094 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 254 transitions. [2024-11-25 03:19:07,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 03:19:07,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:07,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:19:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:21,433 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:21:59,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:59,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 135 states and 338 transitions. [2024-11-25 03:21:59,607 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 338 transitions. [2024-11-25 03:21:59,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 03:21:59,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:59,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:22:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:31:01,068 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:31:13,701 WARN L286 SmtUtils]: Spent 5.57s on a formula simplification. DAG size of input: 518 DAG size of output: 280 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)