./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_fc0ab857-edde-4c07-b890-4a5dd555f981/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0ab857-edde-4c07-b890-4a5dd555f981/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0ab857-edde-4c07-b890-4a5dd555f981/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0ab857-edde-4c07-b890-4a5dd555f981/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0ab857-edde-4c07-b890-4a5dd555f981/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0ab857-edde-4c07-b890-4a5dd555f981/bin/ukojak-verify-afCqCEvfdi --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 9fc8deb48660011a55df6a125b576e7008308183eeefddcba409d6b7b87cd69f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:19:11,216 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:19:11,375 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0ab857-edde-4c07-b890-4a5dd555f981/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:19:11,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:19:11,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:19:11,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:19:11,433 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:19:11,434 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:19:11,435 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:19:11,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:19:11,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:19:11,444 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:19:11,444 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:19:11,447 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:19:11,447 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:19:11,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:19:11,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:19:11,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:19:11,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:19:11,450 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:19:11,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:19:11,453 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:19:11,455 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:19:11,455 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:19:11,456 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:19:11,457 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:19:11,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:11,458 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:19:11,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:19:11,460 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:19:11,461 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:19:11,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:19:11,462 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:19:11,463 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_fc0ab857-edde-4c07-b890-4a5dd555f981/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0ab857-edde-4c07-b890-4a5dd555f981/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fc8deb48660011a55df6a125b576e7008308183eeefddcba409d6b7b87cd69f [2023-11-24 22:19:11,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:19:11,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:19:11,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:19:11,828 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:19:11,829 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:19:11,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0ab857-edde-4c07-b890-4a5dd555f981/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2023-11-24 22:19:15,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:19:15,374 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:19:15,374 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0ab857-edde-4c07-b890-4a5dd555f981/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2023-11-24 22:19:15,390 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0ab857-edde-4c07-b890-4a5dd555f981/bin/ukojak-verify-afCqCEvfdi/data/802f8d7e9/d0d2dcdd191f47448d4745a665bb03fe/FLAGb203f577a [2023-11-24 22:19:15,405 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0ab857-edde-4c07-b890-4a5dd555f981/bin/ukojak-verify-afCqCEvfdi/data/802f8d7e9/d0d2dcdd191f47448d4745a665bb03fe [2023-11-24 22:19:15,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:19:15,409 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:19:15,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:15,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:19:15,415 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:19:15,416 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b47ac87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15, skipping insertion in model container [2023-11-24 22:19:15,418 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,494 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:19:15,774 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_fc0ab857-edde-4c07-b890-4a5dd555f981/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[9863,9876] [2023-11-24 22:19:15,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:15,907 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:19:16,011 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_fc0ab857-edde-4c07-b890-4a5dd555f981/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[9863,9876] [2023-11-24 22:19:16,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:16,081 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:19:16,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16 WrapperNode [2023-11-24 22:19:16,081 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:16,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:16,083 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:19:16,083 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:19:16,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,135 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,207 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 921 [2023-11-24 22:19:16,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:16,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:19:16,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:19:16,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:19:16,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,226 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,227 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,263 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:19:16,293 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:19:16,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:19:16,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:19:16,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:16,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0ab857-edde-4c07-b890-4a5dd555f981/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:19:16,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0ab857-edde-4c07-b890-4a5dd555f981/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:19:16,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0ab857-edde-4c07-b890-4a5dd555f981/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:19:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:19:16,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:19:16,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:19:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:19:16,599 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:19:16,600 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:19:17,724 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:19:18,114 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:19:18,115 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:19:18,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:18 BoogieIcfgContainer [2023-11-24 22:19:18,117 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:19:18,118 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:19:18,119 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:19:18,130 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:19:18,130 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:18" (1/1) ... [2023-11-24 22:19:18,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:19:18,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:18,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 162 states and 272 transitions. [2023-11-24 22:19:18,224 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 272 transitions. [2023-11-24 22:19:18,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-24 22:19:18,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:18,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:19,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:20,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:20,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 172 states and 290 transitions. [2023-11-24 22:19:20,050 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 290 transitions. [2023-11-24 22:19:20,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 22:19:20,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:20,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:20,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:21,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:21,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 172 states and 289 transitions. [2023-11-24 22:19:21,263 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 289 transitions. [2023-11-24 22:19:21,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 22:19:21,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:21,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:22,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:24,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:24,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 186 states and 317 transitions. [2023-11-24 22:19:24,692 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 317 transitions. [2023-11-24 22:19:24,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 22:19:24,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:24,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:25,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:30,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:30,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 193 states and 330 transitions. [2023-11-24 22:19:30,776 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 330 transitions. [2023-11-24 22:19:30,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 22:19:30,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:30,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:31,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:38,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:38,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 204 states and 353 transitions. [2023-11-24 22:19:38,233 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 353 transitions. [2023-11-24 22:19:38,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 22:19:38,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:38,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:38,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:38,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:38,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 207 states and 358 transitions. [2023-11-24 22:19:38,844 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 358 transitions. [2023-11-24 22:19:38,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 22:19:38,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:38,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:39,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:49,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:49,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 214 states and 376 transitions. [2023-11-24 22:19:49,114 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 376 transitions. [2023-11-24 22:19:49,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 22:19:49,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:49,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:49,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:51,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:51,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 222 states and 397 transitions. [2023-11-24 22:19:51,414 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 397 transitions. [2023-11-24 22:19:51,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 22:19:51,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:51,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:51,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:52,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:52,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 223 states and 400 transitions. [2023-11-24 22:19:52,553 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 400 transitions. [2023-11-24 22:19:52,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 22:19:52,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:52,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:53,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:20:00,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:00,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 226 states and 405 transitions. [2023-11-24 22:20:00,806 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 405 transitions. [2023-11-24 22:20:00,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 22:20:00,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:00,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:00,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:20:02,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:02,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 228 states and 412 transitions. [2023-11-24 22:20:02,181 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 412 transitions. [2023-11-24 22:20:02,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-24 22:20:02,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:02,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:02,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.