./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label42+token_ring.03.cil-2.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_030166e8-6420-465b-8a02-f1b8eafc78c9/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030166e8-6420-465b-8a02-f1b8eafc78c9/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_030166e8-6420-465b-8a02-f1b8eafc78c9/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030166e8-6420-465b-8a02-f1b8eafc78c9/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label42+token_ring.03.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030166e8-6420-465b-8a02-f1b8eafc78c9/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_030166e8-6420-465b-8a02-f1b8eafc78c9/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 416d3b74bdc0e830f927a3018e8747e6a310d2a238902dccf396a8065404f3af --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:03:37,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:03:37,697 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030166e8-6420-465b-8a02-f1b8eafc78c9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:03:37,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:03:37,707 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:03:37,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:03:37,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:03:37,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:03:37,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:03:37,762 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:03:37,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:03:37,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:03:37,764 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:03:37,766 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:03:37,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:03:37,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:03:37,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:03:37,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:03:37,789 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:03:37,789 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:03:37,790 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:03:37,791 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:03:37,792 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:03:37,792 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:03:37,793 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:03:37,794 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:03:37,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:37,795 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:03:37,795 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:03:37,796 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:03:37,796 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:03:37,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:03:37,797 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:03:37,797 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_030166e8-6420-465b-8a02-f1b8eafc78c9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030166e8-6420-465b-8a02-f1b8eafc78c9/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 416d3b74bdc0e830f927a3018e8747e6a310d2a238902dccf396a8065404f3af [2023-11-24 23:03:38,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:03:38,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:03:38,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:03:38,250 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:03:38,250 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:03:38,251 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030166e8-6420-465b-8a02-f1b8eafc78c9/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/Problem05_label42+token_ring.03.cil-2.c [2023-11-24 23:03:41,690 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:03:42,613 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:03:42,614 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030166e8-6420-465b-8a02-f1b8eafc78c9/sv-benchmarks/c/combinations/Problem05_label42+token_ring.03.cil-2.c [2023-11-24 23:03:42,684 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030166e8-6420-465b-8a02-f1b8eafc78c9/bin/ukojak-verify-afCqCEvfdi/data/784d3d2c2/b7566721c6164ddc9ebea68cba328bde/FLAG54aab9f0e [2023-11-24 23:03:42,703 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030166e8-6420-465b-8a02-f1b8eafc78c9/bin/ukojak-verify-afCqCEvfdi/data/784d3d2c2/b7566721c6164ddc9ebea68cba328bde [2023-11-24 23:03:42,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:03:42,712 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:03:42,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:42,715 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:03:42,721 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:03:42,722 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:42" (1/1) ... [2023-11-24 23:03:42,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dfd595c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:42, skipping insertion in model container [2023-11-24 23:03:42,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:42" (1/1) ... [2023-11-24 23:03:43,017 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:03:45,875 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_030166e8-6420-465b-8a02-f1b8eafc78c9/sv-benchmarks/c/combinations/Problem05_label42+token_ring.03.cil-2.c[378560,378573] [2023-11-24 23:03:45,922 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_030166e8-6420-465b-8a02-f1b8eafc78c9/sv-benchmarks/c/combinations/Problem05_label42+token_ring.03.cil-2.c[383339,383352] [2023-11-24 23:03:46,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:46,228 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:03:47,696 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_030166e8-6420-465b-8a02-f1b8eafc78c9/sv-benchmarks/c/combinations/Problem05_label42+token_ring.03.cil-2.c[378560,378573] [2023-11-24 23:03:47,708 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_030166e8-6420-465b-8a02-f1b8eafc78c9/sv-benchmarks/c/combinations/Problem05_label42+token_ring.03.cil-2.c[383339,383352] [2023-11-24 23:03:47,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:47,829 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:03:47,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:47 WrapperNode [2023-11-24 23:03:47,830 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:47,832 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:47,832 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:03:47,833 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:03:47,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:47" (1/1) ... [2023-11-24 23:03:47,965 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:47" (1/1) ... [2023-11-24 23:03:48,436 INFO L138 Inliner]: procedures = 50, calls = 50, calls flagged for inlining = 28, calls inlined = 28, statements flattened = 12688 [2023-11-24 23:03:48,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:48,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:03:48,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:03:48,438 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:03:48,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:47" (1/1) ... [2023-11-24 23:03:48,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:47" (1/1) ... [2023-11-24 23:03:48,616 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:47" (1/1) ... [2023-11-24 23:03:48,617 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:47" (1/1) ... [2023-11-24 23:03:48,918 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:47" (1/1) ... [2023-11-24 23:03:48,988 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:47" (1/1) ... [2023-11-24 23:03:49,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:47" (1/1) ... [2023-11-24 23:03:49,044 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:47" (1/1) ... [2023-11-24 23:03:49,149 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:03:49,155 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:03:49,155 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:03:49,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:03:49,157 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:47" (1/1) ... [2023-11-24 23:03:49,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:49,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030166e8-6420-465b-8a02-f1b8eafc78c9/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:03:49,229 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030166e8-6420-465b-8a02-f1b8eafc78c9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:03:49,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030166e8-6420-465b-8a02-f1b8eafc78c9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:03:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:03:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2023-11-24 23:03:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2023-11-24 23:03:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-24 23:03:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-24 23:03:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2023-11-24 23:03:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2023-11-24 23:03:49,338 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2023-11-24 23:03:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2023-11-24 23:03:49,338 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2023-11-24 23:03:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2023-11-24 23:03:49,339 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2023-11-24 23:03:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2023-11-24 23:03:49,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:03:49,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:03:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:03:49,588 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:03:49,591 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:01,437 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:04,412 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:04,412 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-24 23:04:04,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:04 BoogieIcfgContainer [2023-11-24 23:04:04,417 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:04,418 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:04,418 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:04,430 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:04,430 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:04" (1/1) ... [2023-11-24 23:04:04,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:04,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:04,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 1736 states and 3407 transitions. [2023-11-24 23:04:04,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 3407 transitions. [2023-11-24 23:04:04,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:04:04,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:04,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:05,226 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 23:04:05,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:05,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3434 states to 1747 states and 3427 transitions. [2023-11-24 23:04:05,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 3427 transitions. [2023-11-24 23:04:05,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:04:05,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:05,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:05,838 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 23:04:05,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:05,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3434 states to 1748 states and 3427 transitions. [2023-11-24 23:04:05,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 3427 transitions. [2023-11-24 23:04:05,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:04:05,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:05,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:06,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:06,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:06,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3434 states to 1749 states and 3427 transitions. [2023-11-24 23:04:06,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 3427 transitions. [2023-11-24 23:04:06,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:04:06,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:06,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:06,219 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 23:04:06,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:06,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3434 states to 1750 states and 3427 transitions. [2023-11-24 23:04:06,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 3427 transitions. [2023-11-24 23:04:06,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:04:06,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:06,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:06,409 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 23:04:06,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:06,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3452 states to 1756 states and 3438 transitions. [2023-11-24 23:04:06,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 3438 transitions. [2023-11-24 23:04:06,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:04:06,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:06,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:06,748 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 23:04:06,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:06,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3452 states to 1757 states and 3438 transitions. [2023-11-24 23:04:06,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 3438 transitions. [2023-11-24 23:04:06,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:04:06,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:06,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:06,947 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 23:04:07,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:07,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3464 states to 1759 states and 3443 transitions. [2023-11-24 23:04:07,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 3443 transitions. [2023-11-24 23:04:07,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:04:07,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:07,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:07,347 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 23:04:07,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:07,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3480 states to 1767 states and 3457 transitions. [2023-11-24 23:04:07,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 3457 transitions. [2023-11-24 23:04:07,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 23:04:07,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:07,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:07,720 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:04:08,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:08,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3523 states to 1783 states and 3489 transitions. [2023-11-24 23:04:08,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 3489 transitions. [2023-11-24 23:04:08,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 23:04:08,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:08,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:08,993 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 23:04:10,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:10,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3550 states to 1791 states and 3506 transitions. [2023-11-24 23:04:10,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 3506 transitions. [2023-11-24 23:04:10,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 23:04:10,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:10,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:10,469 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 23:04:10,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:10,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3551 states to 1792 states and 3507 transitions. [2023-11-24 23:04:10,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 3507 transitions. [2023-11-24 23:04:10,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 23:04:10,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:10,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:10,781 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 23:04:10,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:10,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3552 states to 1793 states and 3508 transitions. [2023-11-24 23:04:10,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 3508 transitions. [2023-11-24 23:04:10,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 23:04:10,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:10,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:10,987 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 23:04:11,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:11,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3533 states to 1784 states and 3490 transitions. [2023-11-24 23:04:11,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 3490 transitions. [2023-11-24 23:04:11,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 23:04:11,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:11,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:11,563 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:04:14,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:14,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3589 states to 1803 states and 3530 transitions. [2023-11-24 23:04:14,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 3530 transitions. [2023-11-24 23:04:14,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 23:04:14,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:14,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:14,882 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:04:16,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:16,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3609 states to 1811 states and 3548 transitions. [2023-11-24 23:04:16,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 3548 transitions. [2023-11-24 23:04:16,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 23:04:16,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:16,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:16,398 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:04:16,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:16,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3610 states to 1812 states and 3549 transitions. [2023-11-24 23:04:16,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1812 states and 3549 transitions. [2023-11-24 23:04:16,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 23:04:16,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:16,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:16,687 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:04:16,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:16,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3611 states to 1813 states and 3550 transitions. [2023-11-24 23:04:16,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 3550 transitions. [2023-11-24 23:04:16,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 23:04:16,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:16,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:17,024 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:04:17,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:17,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3590 states to 1804 states and 3531 transitions. [2023-11-24 23:04:17,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 3531 transitions. [2023-11-24 23:04:17,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 23:04:17,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:17,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:17,784 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:04:22,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:22,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3658 states to 1827 states and 3580 transitions. [2023-11-24 23:04:22,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 3580 transitions. [2023-11-24 23:04:22,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 23:04:22,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:22,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:22,707 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.