./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.BOUNDED-8.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_57356061-90bd-4405-adc2-e42aac65208c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57356061-90bd-4405-adc2-e42aac65208c/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_57356061-90bd-4405-adc2-e42aac65208c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57356061-90bd-4405-adc2-e42aac65208c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57356061-90bd-4405-adc2-e42aac65208c/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_57356061-90bd-4405-adc2-e42aac65208c/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 6c7bda6ec8155a470f5f9e07367696d7e5cc6867667668ebd692704e4077816f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:52:36,063 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:52:36,163 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57356061-90bd-4405-adc2-e42aac65208c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:52:36,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:52:36,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:52:36,205 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:52:36,207 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:52:36,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:52:36,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:52:36,210 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:52:36,211 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:52:36,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:52:36,212 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:52:36,213 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:52:36,214 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:52:36,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:52:36,215 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:52:36,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:52:36,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:52:36,218 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:52:36,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:52:36,220 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:52:36,220 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:52:36,221 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:52:36,222 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:52:36,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:52:36,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:36,224 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:52:36,225 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:52:36,225 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:52:36,226 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:52:36,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:52:36,228 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:52:36,228 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_57356061-90bd-4405-adc2-e42aac65208c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57356061-90bd-4405-adc2-e42aac65208c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c7bda6ec8155a470f5f9e07367696d7e5cc6867667668ebd692704e4077816f [2023-11-19 02:52:36,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:52:36,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:52:36,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:52:36,565 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:52:36,565 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:52:36,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57356061-90bd-4405-adc2-e42aac65208c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.BOUNDED-8.pals.c [2023-11-19 02:52:40,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:52:40,523 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:52:40,523 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57356061-90bd-4405-adc2-e42aac65208c/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.BOUNDED-8.pals.c [2023-11-19 02:52:40,546 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57356061-90bd-4405-adc2-e42aac65208c/bin/ukojak-verify-G8NBE6pJGL/data/ca612f597/9b47221e28cf44e98ada1fb85c94d562/FLAG6dfc0205b [2023-11-19 02:52:40,566 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57356061-90bd-4405-adc2-e42aac65208c/bin/ukojak-verify-G8NBE6pJGL/data/ca612f597/9b47221e28cf44e98ada1fb85c94d562 [2023-11-19 02:52:40,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:52:40,572 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:52:40,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:40,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:52:40,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:52:40,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:40" (1/1) ... [2023-11-19 02:52:40,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18dc490a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:40, skipping insertion in model container [2023-11-19 02:52:40,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:40" (1/1) ... [2023-11-19 02:52:40,685 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:52:41,175 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_57356061-90bd-4405-adc2-e42aac65208c/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.BOUNDED-8.pals.c[28192,28205] [2023-11-19 02:52:41,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:41,206 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:52:41,376 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_57356061-90bd-4405-adc2-e42aac65208c/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.BOUNDED-8.pals.c[28192,28205] [2023-11-19 02:52:41,391 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:41,414 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:52:41,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:41 WrapperNode [2023-11-19 02:52:41,415 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:41,417 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:41,417 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:52:41,417 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:52:41,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:41" (1/1) ... [2023-11-19 02:52:41,448 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:41" (1/1) ... [2023-11-19 02:52:41,544 INFO L138 Inliner]: procedures = 23, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 942 [2023-11-19 02:52:41,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:41,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:52:41,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:52:41,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:52:41,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:41" (1/1) ... [2023-11-19 02:52:41,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:41" (1/1) ... [2023-11-19 02:52:41,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:41" (1/1) ... [2023-11-19 02:52:41,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:41" (1/1) ... [2023-11-19 02:52:41,601 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:41" (1/1) ... [2023-11-19 02:52:41,617 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:41" (1/1) ... [2023-11-19 02:52:41,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:41" (1/1) ... [2023-11-19 02:52:41,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:41" (1/1) ... [2023-11-19 02:52:41,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:52:41,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:52:41,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:52:41,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:52:41,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:41" (1/1) ... [2023-11-19 02:52:41,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:41,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57356061-90bd-4405-adc2-e42aac65208c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:52:41,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57356061-90bd-4405-adc2-e42aac65208c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:52:41,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57356061-90bd-4405-adc2-e42aac65208c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:52:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:52:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:52:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:52:41,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:52:41,948 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:52:41,952 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:52:43,339 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:52:44,914 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:52:44,914 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:52:44,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:44 BoogieIcfgContainer [2023-11-19 02:52:44,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:52:44,929 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:52:44,929 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:52:44,942 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:52:44,942 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:44" (1/1) ... [2023-11-19 02:52:44,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:52:45,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:45,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 140 states and 224 transitions. [2023-11-19 02:52:45,063 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 224 transitions. [2023-11-19 02:52:45,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:52:45,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:45,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:50,700 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 02:52:50,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:50,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 142 states and 228 transitions. [2023-11-19 02:52:50,961 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 228 transitions. [2023-11-19 02:52:50,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:52:50,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:50,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:53,833 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 02:52:54,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:54,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 145 states and 235 transitions. [2023-11-19 02:52:54,307 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 235 transitions. [2023-11-19 02:52:54,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:52:54,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:54,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:56,665 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 02:52:57,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:57,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 149 states and 244 transitions. [2023-11-19 02:52:57,231 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 244 transitions. [2023-11-19 02:52:57,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:52:57,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:57,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:59,442 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 02:53:00,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:00,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 154 states and 255 transitions. [2023-11-19 02:53:00,310 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 255 transitions. [2023-11-19 02:53:00,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 02:53:00,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:00,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:02,510 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 02:53:03,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:03,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 160 states and 268 transitions. [2023-11-19 02:53:03,545 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 268 transitions. [2023-11-19 02:53:03,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 02:53:03,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:03,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:06,372 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 02:53:07,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:07,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 168 states and 283 transitions. [2023-11-19 02:53:07,817 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 283 transitions. [2023-11-19 02:53:07,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:53:07,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:07,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:10,052 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 02:53:11,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:11,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 175 states and 297 transitions. [2023-11-19 02:53:11,604 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 297 transitions. [2023-11-19 02:53:11,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 02:53:11,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:11,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:11,758 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 02:53:12,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:12,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 176 states and 297 transitions. [2023-11-19 02:53:12,050 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 297 transitions. [2023-11-19 02:53:12,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:53:12,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:12,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:12,146 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 02:53:12,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:12,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 177 states and 298 transitions. [2023-11-19 02:53:12,167 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 298 transitions. [2023-11-19 02:53:12,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:53:12,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:12,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:14,665 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 02:53:17,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:17,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 188 states and 317 transitions. [2023-11-19 02:53:17,208 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 317 transitions. [2023-11-19 02:53:17,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:53:17,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:17,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:19,350 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 02:53:19,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:19,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 191 states and 321 transitions. [2023-11-19 02:53:19,745 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 321 transitions. [2023-11-19 02:53:19,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 02:53:19,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:19,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms