./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_d0a06fa7-8500-49e2-bb50-7053a663d1c7/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a06fa7-8500-49e2-bb50-7053a663d1c7/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a06fa7-8500-49e2-bb50-7053a663d1c7/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a06fa7-8500-49e2-bb50-7053a663d1c7/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a06fa7-8500-49e2-bb50-7053a663d1c7/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a06fa7-8500-49e2-bb50-7053a663d1c7/bin/ukojak-verify-0OAaufAVZV --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 1f7b08d697525a6b6e4b6c32e081a52208b7f6ea0ef3da259b2ed32d3a516e9b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:02:53,560 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:02:53,671 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a06fa7-8500-49e2-bb50-7053a663d1c7/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-12 00:02:53,684 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:02:53,685 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:02:53,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:02:53,731 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:02:53,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:02:53,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:02:53,738 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:02:53,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:02:53,740 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:02:53,740 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:02:53,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:02:53,743 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:02:53,743 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:02:53,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:02:53,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:02:53,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:02:53,745 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:02:53,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:02:53,746 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:02:53,747 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:02:53,747 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:02:53,748 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:02:53,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:53,749 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:02:53,750 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:02:53,750 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:02:53,751 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:02:53,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:02:53,752 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:02:53,753 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_d0a06fa7-8500-49e2-bb50-7053a663d1c7/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a06fa7-8500-49e2-bb50-7053a663d1c7/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f7b08d697525a6b6e4b6c32e081a52208b7f6ea0ef3da259b2ed32d3a516e9b [2023-11-12 00:02:54,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:02:54,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:02:54,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:02:54,087 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:02:54,088 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:02:54,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a06fa7-8500-49e2-bb50-7053a663d1c7/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2023-11-12 00:02:57,195 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:02:57,432 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:02:57,433 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a06fa7-8500-49e2-bb50-7053a663d1c7/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2023-11-12 00:02:57,445 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a06fa7-8500-49e2-bb50-7053a663d1c7/bin/ukojak-verify-0OAaufAVZV/data/ed475ddb5/f38243e99eea42a5b246e9595b1b826c/FLAGa7c07647a [2023-11-12 00:02:57,460 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a06fa7-8500-49e2-bb50-7053a663d1c7/bin/ukojak-verify-0OAaufAVZV/data/ed475ddb5/f38243e99eea42a5b246e9595b1b826c [2023-11-12 00:02:57,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:02:57,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:02:57,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:57,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:02:57,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:02:57,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:57" (1/1) ... [2023-11-12 00:02:57,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d5ee4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:57, skipping insertion in model container [2023-11-12 00:02:57,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:57" (1/1) ... [2023-11-12 00:02:57,517 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:02:57,799 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_d0a06fa7-8500-49e2-bb50-7053a663d1c7/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c[14467,14480] [2023-11-12 00:02:57,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:57,822 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:02:57,898 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_d0a06fa7-8500-49e2-bb50-7053a663d1c7/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c[14467,14480] [2023-11-12 00:02:57,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:57,921 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:02:57,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:57 WrapperNode [2023-11-12 00:02:57,922 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:57,923 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:57,923 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:02:57,923 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:02:57,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:57" (1/1) ... [2023-11-12 00:02:57,944 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:57" (1/1) ... [2023-11-12 00:02:58,006 INFO L138 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 478 [2023-11-12 00:02:58,006 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:58,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:02:58,007 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:02:58,007 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:02:58,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:57" (1/1) ... [2023-11-12 00:02:58,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:57" (1/1) ... [2023-11-12 00:02:58,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:57" (1/1) ... [2023-11-12 00:02:58,028 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:57" (1/1) ... [2023-11-12 00:02:58,040 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:57" (1/1) ... [2023-11-12 00:02:58,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:57" (1/1) ... [2023-11-12 00:02:58,073 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:57" (1/1) ... [2023-11-12 00:02:58,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:57" (1/1) ... [2023-11-12 00:02:58,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:02:58,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:02:58,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:02:58,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:02:58,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:57" (1/1) ... [2023-11-12 00:02:58,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:58,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a06fa7-8500-49e2-bb50-7053a663d1c7/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:02:58,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a06fa7-8500-49e2-bb50-7053a663d1c7/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:02:58,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a06fa7-8500-49e2-bb50-7053a663d1c7/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:02:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:02:58,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:02:58,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:02:58,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:02:58,374 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:02:58,376 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:02:59,072 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:02:59,989 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:02:59,990 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:02:59,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:59 BoogieIcfgContainer [2023-11-12 00:02:59,993 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:02:59,994 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:02:59,995 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:03:00,005 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:03:00,006 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:59" (1/1) ... [2023-11-12 00:03:00,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:03:00,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:00,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2023-11-12 00:03:00,098 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2023-11-12 00:03:00,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:03:00,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:00,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:02,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:02,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:02,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2023-11-12 00:03:02,498 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2023-11-12 00:03:02,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:03:02,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:02,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:03,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:04,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:04,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2023-11-12 00:03:04,228 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2023-11-12 00:03:04,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:03:04,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:04,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:05,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:05,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:05,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2023-11-12 00:03:05,896 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2023-11-12 00:03:05,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:03:05,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:05,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:06,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:07,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:07,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2023-11-12 00:03:07,640 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2023-11-12 00:03:07,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:03:07,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:07,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:08,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:10,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:10,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2023-11-12 00:03:10,048 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2023-11-12 00:03:10,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:03:10,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:10,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:11,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:12,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:12,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2023-11-12 00:03:12,490 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2023-11-12 00:03:12,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:03:12,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:12,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:12,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:12,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:12,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2023-11-12 00:03:12,933 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2023-11-12 00:03:12,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:03:12,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:12,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:13,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:13,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:13,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2023-11-12 00:03:13,023 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2023-11-12 00:03:13,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:03:13,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:13,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:14,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:16,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:16,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 57 states and 97 transitions. [2023-11-12 00:03:16,463 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2023-11-12 00:03:16,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:03:16,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:16,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:16,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:17,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:17,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 60 states and 103 transitions. [2023-11-12 00:03:17,165 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 103 transitions. [2023-11-12 00:03:17,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:03:17,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:17,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:20,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:24,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:24,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 76 states and 131 transitions. [2023-11-12 00:03:24,638 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 131 transitions. [2023-11-12 00:03:24,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:03:24,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:24,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:26,278 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:29,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:29,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 90 states and 155 transitions. [2023-11-12 00:03:29,675 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 155 transitions. [2023-11-12 00:03:29,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:03:29,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:29,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:31,472 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:34,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:34,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 98 states and 172 transitions. [2023-11-12 00:03:34,456 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 172 transitions. [2023-11-12 00:03:34,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:03:34,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:34,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:36,086 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:38,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:38,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 105 states and 186 transitions. [2023-11-12 00:03:38,577 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 186 transitions. [2023-11-12 00:03:38,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:03:38,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:38,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat