./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.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_ec6e6454-dcff-47ff-9b8c-7a224a52e7bd/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6e6454-dcff-47ff-9b8c-7a224a52e7bd/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_ec6e6454-dcff-47ff-9b8c-7a224a52e7bd/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6e6454-dcff-47ff-9b8c-7a224a52e7bd/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6e6454-dcff-47ff-9b8c-7a224a52e7bd/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_ec6e6454-dcff-47ff-9b8c-7a224a52e7bd/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 c5be25d34b5f565c0e61b447a9da3cd9d228084b5ddd898e062981f46972caa8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:53:38,378 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:53:38,472 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6e6454-dcff-47ff-9b8c-7a224a52e7bd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:53:38,479 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:53:38,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:53:38,514 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:53:38,515 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:53:38,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:53:38,516 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:53:38,517 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:53:38,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:53:38,518 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:53:38,518 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:53:38,518 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:53:38,519 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:53:38,519 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:53:38,519 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:53:38,519 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:53:38,519 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:53:38,519 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:53:38,519 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:53:38,519 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:53:38,519 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:53:38,519 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:53:38,519 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:53:38,519 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:53:38,519 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:53:38,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:53:38,520 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:53:38,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:53:38,520 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:53:38,520 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:53:38,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:53:38,520 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_ec6e6454-dcff-47ff-9b8c-7a224a52e7bd/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 -> c5be25d34b5f565c0e61b447a9da3cd9d228084b5ddd898e062981f46972caa8 [2024-11-25 02:53:38,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:53:38,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:53:38,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:53:38,849 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:53:38,850 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:53:38,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6e6454-dcff-47ff-9b8c-7a224a52e7bd/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c [2024-11-25 02:53:41,790 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6e6454-dcff-47ff-9b8c-7a224a52e7bd/bin/ukojak-verify-ENZ3QT5qd3/data/c7a7cb3a2/3eb7685dc0bc48b69c3b048f2be6d598/FLAGafd6c2d8a [2024-11-25 02:53:42,120 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:53:42,125 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6e6454-dcff-47ff-9b8c-7a224a52e7bd/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c [2024-11-25 02:53:42,139 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6e6454-dcff-47ff-9b8c-7a224a52e7bd/bin/ukojak-verify-ENZ3QT5qd3/data/c7a7cb3a2/3eb7685dc0bc48b69c3b048f2be6d598/FLAGafd6c2d8a [2024-11-25 02:53:42,370 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6e6454-dcff-47ff-9b8c-7a224a52e7bd/bin/ukojak-verify-ENZ3QT5qd3/data/c7a7cb3a2/3eb7685dc0bc48b69c3b048f2be6d598 [2024-11-25 02:53:42,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:53:42,375 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:53:42,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:53:42,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:53:42,383 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:53:42,384 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:53:42" (1/1) ... [2024-11-25 02:53:42,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c4f8b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:53:42, skipping insertion in model container [2024-11-25 02:53:42,386 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:53:42" (1/1) ... [2024-11-25 02:53:42,422 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:53:42,672 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_ec6e6454-dcff-47ff-9b8c-7a224a52e7bd/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c[9280,9293] [2024-11-25 02:53:42,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:53:42,685 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:53:42,735 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_ec6e6454-dcff-47ff-9b8c-7a224a52e7bd/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c[9280,9293] [2024-11-25 02:53:42,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:53:42,754 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:53:42,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:53:42 WrapperNode [2024-11-25 02:53:42,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:53:42,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:53:42,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:53:42,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:53:42,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:53:42" (1/1) ... [2024-11-25 02:53:42,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:53:42" (1/1) ... [2024-11-25 02:53:42,798 INFO L138 Inliner]: procedures = 22, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 312 [2024-11-25 02:53:42,798 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:53:42,799 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:53:42,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:53:42,799 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:53:42,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:53:42" (1/1) ... [2024-11-25 02:53:42,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:53:42" (1/1) ... [2024-11-25 02:53:42,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:53:42" (1/1) ... [2024-11-25 02:53:42,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:53:42" (1/1) ... [2024-11-25 02:53:42,817 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:53:42" (1/1) ... [2024-11-25 02:53:42,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:53:42" (1/1) ... [2024-11-25 02:53:42,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:53:42" (1/1) ... [2024-11-25 02:53:42,826 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:53:42" (1/1) ... [2024-11-25 02:53:42,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:53:42" (1/1) ... [2024-11-25 02:53:42,830 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:53:42,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:53:42,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:53:42,831 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:53:42,832 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:53:42" (1/1) ... [2024-11-25 02:53:42,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:53:42,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6e6454-dcff-47ff-9b8c-7a224a52e7bd/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:53:42,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6e6454-dcff-47ff-9b8c-7a224a52e7bd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:53:42,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6e6454-dcff-47ff-9b8c-7a224a52e7bd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:53:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:53:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:53:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:53:42,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:53:43,005 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:53:43,007 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:53:43,610 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-11-25 02:53:43,610 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:53:44,157 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:53:44,158 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:53:44,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:53:44 BoogieIcfgContainer [2024-11-25 02:53:44,158 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:53:44,159 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:53:44,160 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:53:44,170 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:53:44,170 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:53:44" (1/1) ... [2024-11-25 02:53:44,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:53:44,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:53:44,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 02:53:44,241 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 02:53:44,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:53:44,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:53:44,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:53:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:53:46,422 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 02:53:46,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:53:46,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2024-11-25 02:53:46,577 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2024-11-25 02:53:46,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:53:46,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:53:46,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:53:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:53:51,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:53:53,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:53:53,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 13 states and 22 transitions. [2024-11-25 02:53:53,893 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 22 transitions. [2024-11-25 02:53:53,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:53:53,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:53:53,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:53:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:53:56,629 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:53:59,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:53:59,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 19 states and 38 transitions. [2024-11-25 02:53:59,600 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 38 transitions. [2024-11-25 02:53:59,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:53:59,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:53:59,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:54:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:54:53,976 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:55:28,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:55:28,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 28 states and 67 transitions. [2024-11-25 02:55:28,775 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 67 transitions. [2024-11-25 02:55:28,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:55:28,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:55:28,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:55:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:56:09,432 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:56:21,049 WARN L286 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 467 DAG size of output: 419 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:57:22,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:57:22,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 38 states and 104 transitions. [2024-11-25 02:57:22,053 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 104 transitions. [2024-11-25 02:57:22,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 02:57:22,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:57:22,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:57:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:57:25,418 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:57:43,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:57:43,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 43 states and 129 transitions. [2024-11-25 02:57:43,645 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 129 transitions. [2024-11-25 02:57:43,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 02:57:43,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:57:43,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:57:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:57:47,450 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:58:12,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:58:12,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 49 states and 155 transitions. [2024-11-25 02:58:12,057 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 155 transitions. [2024-11-25 02:58:12,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 02:58:12,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:58:12,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:58:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:00:09,169 WARN L286 SmtUtils]: Spent 6.66s on a formula simplification. DAG size of input: 484 DAG size of output: 473 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:03:53,429 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification. DAG size of input: 532 DAG size of output: 520 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:04:42,780 WARN L286 SmtUtils]: Spent 6.30s on a formula simplification. DAG size of input: 610 DAG size of output: 607 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:05:56,083 WARN L286 SmtUtils]: Spent 6.16s on a formula simplification. DAG size of input: 610 DAG size of output: 583 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:07:11,453 WARN L286 SmtUtils]: Spent 6.31s on a formula simplification. DAG size of input: 605 DAG size of output: 578 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:07:34,680 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:07:48,039 WARN L286 SmtUtils]: Spent 10.73s on a formula simplification. DAG size of input: 722 DAG size of output: 492 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:08:04,368 WARN L286 SmtUtils]: Spent 13.03s on a formula simplification. DAG size of input: 724 DAG size of output: 562 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)