./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05982a34-051b-4bd5-b029-67e6f499bbb8/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05982a34-051b-4bd5-b029-67e6f499bbb8/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05982a34-051b-4bd5-b029-67e6f499bbb8/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05982a34-051b-4bd5-b029-67e6f499bbb8/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05982a34-051b-4bd5-b029-67e6f499bbb8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05982a34-051b-4bd5-b029-67e6f499bbb8/bin/ukojak-verify-Qdu7aM0XO9 --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 acd9e872db1fd43c4a46d62b416714fdbb0fdc4944c5c8838fbbff5e8b72009f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:51:05,082 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:51:05,147 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05982a34-051b-4bd5-b029-67e6f499bbb8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:51:05,152 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:51:05,152 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:51:05,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:51:05,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:51:05,176 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:51:05,177 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:51:05,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:51:05,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:51:05,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:51:05,179 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:51:05,180 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:51:05,180 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:51:05,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:51:05,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:51:05,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:51:05,182 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:51:05,182 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:51:05,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:51:05,184 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:51:05,185 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:51:05,185 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:51:05,186 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:51:05,186 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:51:05,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:51:05,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:51:05,188 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:51:05,188 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:51:05,188 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:51:05,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:51:05,189 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:51:05,189 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05982a34-051b-4bd5-b029-67e6f499bbb8/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05982a34-051b-4bd5-b029-67e6f499bbb8/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> acd9e872db1fd43c4a46d62b416714fdbb0fdc4944c5c8838fbbff5e8b72009f [2023-12-03 04:51:05,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:51:05,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:51:05,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:51:05,430 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:51:05,431 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:51:05,432 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05982a34-051b-4bd5-b029-67e6f499bbb8/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.c [2023-12-03 04:51:08,235 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:51:08,414 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:51:08,415 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05982a34-051b-4bd5-b029-67e6f499bbb8/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.c [2023-12-03 04:51:08,427 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05982a34-051b-4bd5-b029-67e6f499bbb8/bin/ukojak-verify-Qdu7aM0XO9/data/f32560526/e110ccaa9ce64c579e04a473f0b56f1a/FLAG3b75098cd [2023-12-03 04:51:08,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05982a34-051b-4bd5-b029-67e6f499bbb8/bin/ukojak-verify-Qdu7aM0XO9/data/f32560526/e110ccaa9ce64c579e04a473f0b56f1a [2023-12-03 04:51:08,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:51:08,445 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:51:08,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:51:08,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:51:08,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:51:08,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:51:08" (1/1) ... [2023-12-03 04:51:08,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35a4466e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:08, skipping insertion in model container [2023-12-03 04:51:08,454 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:51:08" (1/1) ... [2023-12-03 04:51:08,490 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:51:08,676 WARN L240 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_05982a34-051b-4bd5-b029-67e6f499bbb8/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.c[11261,11274] [2023-12-03 04:51:08,680 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:51:08,692 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:51:08,740 WARN L240 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_05982a34-051b-4bd5-b029-67e6f499bbb8/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.c[11261,11274] [2023-12-03 04:51:08,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:51:08,757 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:51:08,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:08 WrapperNode [2023-12-03 04:51:08,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:51:08,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:51:08,759 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:51:08,759 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:51:08,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:08" (1/1) ... [2023-12-03 04:51:08,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:08" (1/1) ... [2023-12-03 04:51:08,809 INFO L138 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 331 [2023-12-03 04:51:08,810 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:51:08,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:51:08,811 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:51:08,811 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:51:08,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:08" (1/1) ... [2023-12-03 04:51:08,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:08" (1/1) ... [2023-12-03 04:51:08,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:08" (1/1) ... [2023-12-03 04:51:08,824 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:08" (1/1) ... [2023-12-03 04:51:08,833 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:08" (1/1) ... [2023-12-03 04:51:08,839 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:08" (1/1) ... [2023-12-03 04:51:08,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:08" (1/1) ... [2023-12-03 04:51:08,843 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:08" (1/1) ... [2023-12-03 04:51:08,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:51:08,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:51:08,849 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:51:08,849 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:51:08,850 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:08" (1/1) ... [2023-12-03 04:51:08,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:51:08,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05982a34-051b-4bd5-b029-67e6f499bbb8/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:51:08,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05982a34-051b-4bd5-b029-67e6f499bbb8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:51:08,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05982a34-051b-4bd5-b029-67e6f499bbb8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:51:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:51:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:51:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:51:08,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:51:09,035 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:51:09,037 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:51:09,390 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:51:09,861 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:51:09,861 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:51:09,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:51:09 BoogieIcfgContainer [2023-12-03 04:51:09,863 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:51:09,864 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:51:09,864 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:51:09,873 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:51:09,874 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:51:09" (1/1) ... [2023-12-03 04:51:09,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:51:09,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:09,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-12-03 04:51:09,935 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-12-03 04:51:09,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:51:09,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:09,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:51:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:11,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:51:11,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:11,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2023-12-03 04:51:11,248 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2023-12-03 04:51:11,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 04:51:11,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:11,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:51:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:12,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:51:12,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:12,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-12-03 04:51:12,359 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-12-03 04:51:12,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 04:51:12,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:12,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:51:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:12,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:51:13,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:13,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2023-12-03 04:51:13,020 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2023-12-03 04:51:13,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 04:51:13,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:13,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:51:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:13,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:51:13,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:13,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2023-12-03 04:51:13,550 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2023-12-03 04:51:13,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:51:13,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:13,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:51:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:22,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:51:28,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:28,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2023-12-03 04:51:28,147 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2023-12-03 04:51:28,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 04:51:28,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:28,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:51:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:33,121 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:51:41,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:41,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2023-12-03 04:51:41,314 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2023-12-03 04:51:41,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 04:51:41,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:41,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:51:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:41,917 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:51:45,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:45,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 50 states and 79 transitions. [2023-12-03 04:51:45,670 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2023-12-03 04:51:45,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:51:45,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:45,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:51:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:47,917 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:51:56,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:56,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 66 states and 111 transitions. [2023-12-03 04:51:56,108 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 111 transitions. [2023-12-03 04:51:56,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:51:56,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:56,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:51:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:57,993 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:52:04,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:04,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 75 states and 131 transitions. [2023-12-03 04:52:04,764 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 131 transitions. [2023-12-03 04:52:04,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:52:04,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:04,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:52:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:05,700 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:52:08,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:08,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 83 states and 144 transitions. [2023-12-03 04:52:08,770 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 144 transitions. [2023-12-03 04:52:08,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:52:08,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:08,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:52:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:10,559 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:52:17,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:17,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 93 states and 161 transitions. [2023-12-03 04:52:17,767 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 161 transitions. [2023-12-03 04:52:17,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 04:52:17,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:17,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:52:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:34,012 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:55:07,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:55:07,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 118 states and 222 transitions. [2023-12-03 04:55:07,850 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 222 transitions. [2023-12-03 04:55:07,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 04:55:07,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:55:07,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:55:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:56:43,411 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:57:48,682 WARN L293 SmtUtils]: Spent 6.60s on a formula simplification. DAG size of input: 561 DAG size of output: 506 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:57:55,555 WARN L293 SmtUtils]: Spent 6.33s on a formula simplification. DAG size of input: 563 DAG size of output: 539 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:58:10,663 WARN L293 SmtUtils]: Spent 6.71s on a formula simplification. DAG size of input: 562 DAG size of output: 507 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:58:17,771 WARN L293 SmtUtils]: Spent 6.58s on a formula simplification. DAG size of input: 564 DAG size of output: 540 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:58:34,269 WARN L293 SmtUtils]: Spent 6.66s on a formula simplification. DAG size of input: 555 DAG size of output: 497 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:58:41,122 WARN L293 SmtUtils]: Spent 6.17s on a formula simplification. DAG size of input: 557 DAG size of output: 533 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:59:17,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:17,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 143 states and 279 transitions. [2023-12-03 04:59:17,656 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 279 transitions. [2023-12-03 04:59:17,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 04:59:17,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:17,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:59:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:20,433 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:59:41,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:41,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 153 states and 309 transitions. [2023-12-03 04:59:41,247 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 309 transitions. [2023-12-03 04:59:41,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 04:59:41,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:41,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:59:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:00:42,352 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:01:28,696 WARN L293 SmtUtils]: Spent 6.61s on a formula simplification. DAG size of input: 633 DAG size of output: 498 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 05:01:39,365 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification. DAG size of input: 635 DAG size of output: 588 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 05:01:59,418 WARN L293 SmtUtils]: Spent 6.23s on a formula simplification. DAG size of input: 636 DAG size of output: 497 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 05:02:07,900 WARN L293 SmtUtils]: Spent 7.75s on a formula simplification. DAG size of input: 638 DAG size of output: 591 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 05:02:27,148 WARN L293 SmtUtils]: Spent 6.42s on a formula simplification. DAG size of input: 637 DAG size of output: 498 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 05:02:35,600 WARN L293 SmtUtils]: Spent 7.73s on a formula simplification. DAG size of input: 639 DAG size of output: 592 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 05:02:55,545 WARN L293 SmtUtils]: Spent 6.20s on a formula simplification. DAG size of input: 627 DAG size of output: 488 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 05:03:03,987 WARN L293 SmtUtils]: Spent 7.49s on a formula simplification. DAG size of input: 629 DAG size of output: 582 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 05:04:15,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:04:15,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 178 states and 372 transitions. [2023-12-03 05:04:15,305 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 372 transitions. [2023-12-03 05:04:15,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 05:04:15,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:04:15,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:04:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:04:18,490 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:04:37,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:04:37,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 186 states and 402 transitions. [2023-12-03 05:04:37,790 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 402 transitions. [2023-12-03 05:04:37,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 05:04:37,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:04:37,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:04:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:04:39,704 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:05:13,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:05:13,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 192 states and 418 transitions. [2023-12-03 05:05:13,392 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 418 transitions. [2023-12-03 05:05:13,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 05:05:13,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:05:13,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:05:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:05:21,869 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.