./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a390dad-dd4f-4438-8204-92448345b03f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a390dad-dd4f-4438-8204-92448345b03f/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a390dad-dd4f-4438-8204-92448345b03f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a390dad-dd4f-4438-8204-92448345b03f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a390dad-dd4f-4438-8204-92448345b03f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a390dad-dd4f-4438-8204-92448345b03f/bin/ukojak-verify-G8NBE6pJGL --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 75ad91d1ba346b49105baf3c8411bd3b92e43cc8020f63db454a4318afdf99c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:56:56,216 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:56:56,296 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a390dad-dd4f-4438-8204-92448345b03f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:56:56,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:56:56,302 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:56:56,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:56:56,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:56:56,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:56:56,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:56:56,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:56:56,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:56:56,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:56:56,343 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:56:56,344 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:56:56,344 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:56:56,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:56:56,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:56:56,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:56:56,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:56:56,347 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:56:56,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:56:56,352 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:56:56,353 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:56:56,354 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:56:56,358 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:56:56,359 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:56:56,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:56,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:56:56,360 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:56:56,361 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:56:56,362 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:56:56,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:56:56,362 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:56:56,363 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_0a390dad-dd4f-4438-8204-92448345b03f/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a390dad-dd4f-4438-8204-92448345b03f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75ad91d1ba346b49105baf3c8411bd3b92e43cc8020f63db454a4318afdf99c1 [2023-11-19 03:56:56,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:56:56,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:56:56,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:56:56,692 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:56:56,692 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:56:56,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a390dad-dd4f-4438-8204-92448345b03f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c [2023-11-19 03:56:59,964 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:57:00,356 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:57:00,357 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a390dad-dd4f-4438-8204-92448345b03f/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c [2023-11-19 03:57:00,374 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a390dad-dd4f-4438-8204-92448345b03f/bin/ukojak-verify-G8NBE6pJGL/data/8166b4568/0e3b67857819413a82cda989878bf55a/FLAG68df7292e [2023-11-19 03:57:00,389 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a390dad-dd4f-4438-8204-92448345b03f/bin/ukojak-verify-G8NBE6pJGL/data/8166b4568/0e3b67857819413a82cda989878bf55a [2023-11-19 03:57:00,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:57:00,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:57:00,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:00,396 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:57:00,402 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:57:00,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:00" (1/1) ... [2023-11-19 03:57:00,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e358c1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:00, skipping insertion in model container [2023-11-19 03:57:00,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:00" (1/1) ... [2023-11-19 03:57:00,481 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:57:00,830 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_0a390dad-dd4f-4438-8204-92448345b03f/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c[24372,24385] [2023-11-19 03:57:00,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:00,879 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:57:01,091 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_0a390dad-dd4f-4438-8204-92448345b03f/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c[24372,24385] [2023-11-19 03:57:01,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:01,128 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:57:01,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:01 WrapperNode [2023-11-19 03:57:01,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:01,133 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:01,133 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:57:01,133 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:57:01,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:01" (1/1) ... [2023-11-19 03:57:01,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:01" (1/1) ... [2023-11-19 03:57:01,231 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 919 [2023-11-19 03:57:01,232 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:01,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:57:01,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:57:01,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:57:01,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:01" (1/1) ... [2023-11-19 03:57:01,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:01" (1/1) ... [2023-11-19 03:57:01,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:01" (1/1) ... [2023-11-19 03:57:01,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:01" (1/1) ... [2023-11-19 03:57:01,297 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:01" (1/1) ... [2023-11-19 03:57:01,312 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:01" (1/1) ... [2023-11-19 03:57:01,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:01" (1/1) ... [2023-11-19 03:57:01,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:01" (1/1) ... [2023-11-19 03:57:01,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:57:01,364 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:57:01,364 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:57:01,365 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:57:01,366 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:01" (1/1) ... [2023-11-19 03:57:01,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:01,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a390dad-dd4f-4438-8204-92448345b03f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:57:01,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a390dad-dd4f-4438-8204-92448345b03f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:57:01,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a390dad-dd4f-4438-8204-92448345b03f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:57:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:57:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:57:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:57:01,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:57:01,670 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:57:01,672 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:57:03,022 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:57:04,256 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:57:04,257 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:57:04,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:04 BoogieIcfgContainer [2023-11-19 03:57:04,273 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:57:04,275 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:57:04,275 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:57:04,288 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:57:04,289 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:04" (1/1) ... [2023-11-19 03:57:04,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:57:04,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:04,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 140 states and 224 transitions. [2023-11-19 03:57:04,400 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 224 transitions. [2023-11-19 03:57:04,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:57:04,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:04,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:08,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:09,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:09,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 141 states and 226 transitions. [2023-11-19 03:57:09,170 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 226 transitions. [2023-11-19 03:57:09,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:57:09,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:09,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:11,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:11,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:11,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 144 states and 232 transitions. [2023-11-19 03:57:11,862 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 232 transitions. [2023-11-19 03:57:11,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:57:11,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:11,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:13,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:14,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:14,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 148 states and 240 transitions. [2023-11-19 03:57:14,269 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 240 transitions. [2023-11-19 03:57:14,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:57:14,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:14,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:16,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:17,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:17,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 153 states and 250 transitions. [2023-11-19 03:57:17,190 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 250 transitions. [2023-11-19 03:57:17,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:57:17,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:17,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:19,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:20,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:20,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 159 states and 262 transitions. [2023-11-19 03:57:20,238 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 262 transitions. [2023-11-19 03:57:20,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:57:20,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:20,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:22,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:24,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:24,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 167 states and 276 transitions. [2023-11-19 03:57:24,249 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 276 transitions. [2023-11-19 03:57:24,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:57:24,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:24,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:26,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:28,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:28,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 174 states and 289 transitions. [2023-11-19 03:57:28,045 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 289 transitions. [2023-11-19 03:57:28,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:57:28,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:28,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:28,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:28,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:28,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 175 states and 289 transitions. [2023-11-19 03:57:28,614 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 289 transitions. [2023-11-19 03:57:28,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:57:28,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:28,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:28,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:28,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:28,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 176 states and 290 transitions. [2023-11-19 03:57:28,769 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 290 transitions. [2023-11-19 03:57:28,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:57:28,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:28,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:31,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:34,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:34,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 187 states and 308 transitions. [2023-11-19 03:57:34,412 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 308 transitions. [2023-11-19 03:57:34,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:57:34,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:34,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:36,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:36,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:36,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 190 states and 312 transitions. [2023-11-19 03:57:36,420 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 312 transitions. [2023-11-19 03:57:36,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:57:36,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:36,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat