./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem06_label17.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_2e86df7d-a7ae-47c0-bdeb-090ee34b4153/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e86df7d-a7ae-47c0-bdeb-090ee34b4153/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_2e86df7d-a7ae-47c0-bdeb-090ee34b4153/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e86df7d-a7ae-47c0-bdeb-090ee34b4153/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e86df7d-a7ae-47c0-bdeb-090ee34b4153/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_2e86df7d-a7ae-47c0-bdeb-090ee34b4153/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 49d91672263f18a82e5a4d92bd253cbf3be3f0fd50a5c494c14798f3a746928e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:39:00,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:39:00,475 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e86df7d-a7ae-47c0-bdeb-090ee34b4153/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:39:00,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:39:00,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:39:00,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:39:00,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:39:00,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:39:00,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:39:00,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:39:00,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:39:00,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:39:00,546 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:39:00,547 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:39:00,548 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:39:00,548 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:39:00,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:39:00,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:39:00,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:39:00,550 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:39:00,550 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:39:00,551 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:39:00,551 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:39:00,552 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:39:00,552 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:39:00,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:39:00,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:39:00,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:39:00,554 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:39:00,555 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:39:00,555 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:39:00,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:39:00,556 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:39:00,556 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_2e86df7d-a7ae-47c0-bdeb-090ee34b4153/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e86df7d-a7ae-47c0-bdeb-090ee34b4153/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49d91672263f18a82e5a4d92bd253cbf3be3f0fd50a5c494c14798f3a746928e [2023-11-19 02:39:00,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:39:00,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:39:00,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:39:00,893 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:39:00,893 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:39:00,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e86df7d-a7ae-47c0-bdeb-090ee34b4153/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem06_label17.c [2023-11-19 02:39:03,926 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:39:04,707 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:39:04,708 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e86df7d-a7ae-47c0-bdeb-090ee34b4153/sv-benchmarks/c/eca-rers2012/Problem06_label17.c [2023-11-19 02:39:04,757 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e86df7d-a7ae-47c0-bdeb-090ee34b4153/bin/ukojak-verify-G8NBE6pJGL/data/0f70eb2af/951dca599d9444dd870064ee43358f6b/FLAG08dca8127 [2023-11-19 02:39:04,775 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e86df7d-a7ae-47c0-bdeb-090ee34b4153/bin/ukojak-verify-G8NBE6pJGL/data/0f70eb2af/951dca599d9444dd870064ee43358f6b [2023-11-19 02:39:04,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:39:04,784 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:39:04,788 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:39:04,788 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:39:04,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:39:04,796 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:39:04" (1/1) ... [2023-11-19 02:39:04,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4849af15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:04, skipping insertion in model container [2023-11-19 02:39:04,798 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:39:04" (1/1) ... [2023-11-19 02:39:05,040 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:39:07,309 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_2e86df7d-a7ae-47c0-bdeb-090ee34b4153/sv-benchmarks/c/eca-rers2012/Problem06_label17.c[335046,335059] [2023-11-19 02:39:07,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:39:07,352 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:39:08,609 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_2e86df7d-a7ae-47c0-bdeb-090ee34b4153/sv-benchmarks/c/eca-rers2012/Problem06_label17.c[335046,335059] [2023-11-19 02:39:08,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:39:08,741 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:39:08,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:08 WrapperNode [2023-11-19 02:39:08,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:39:08,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:39:08,744 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:39:08,744 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:39:08,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:08" (1/1) ... [2023-11-19 02:39:08,861 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:08" (1/1) ... [2023-11-19 02:39:09,149 INFO L138 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10174 [2023-11-19 02:39:09,149 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:39:09,150 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:39:09,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:39:09,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:39:09,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:08" (1/1) ... [2023-11-19 02:39:09,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:08" (1/1) ... [2023-11-19 02:39:09,226 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:08" (1/1) ... [2023-11-19 02:39:09,227 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:08" (1/1) ... [2023-11-19 02:39:09,622 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:08" (1/1) ... [2023-11-19 02:39:09,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:08" (1/1) ... [2023-11-19 02:39:09,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:08" (1/1) ... [2023-11-19 02:39:09,860 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:08" (1/1) ... [2023-11-19 02:39:10,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:39:10,003 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:39:10,003 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:39:10,003 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:39:10,004 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:08" (1/1) ... [2023-11-19 02:39:10,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:39:10,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e86df7d-a7ae-47c0-bdeb-090ee34b4153/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:39:10,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e86df7d-a7ae-47c0-bdeb-090ee34b4153/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:39:10,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e86df7d-a7ae-47c0-bdeb-090ee34b4153/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:39:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:39:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:39:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:39:10,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:39:10,282 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:39:10,285 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:39:18,976 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:39:20,670 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:39:20,671 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:39:20,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:39:20 BoogieIcfgContainer [2023-11-19 02:39:20,688 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:39:20,690 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:39:20,690 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:39:20,700 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:39:20,701 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:39:20" (1/1) ... [2023-11-19 02:39:20,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:39:20,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:20,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 938 states and 1864 transitions. [2023-11-19 02:39:20,819 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1864 transitions. [2023-11-19 02:39:20,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 930 [2023-11-19 02:39:20,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:20,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:23,927 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 02:39:31,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:31,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 1865 states and 3001 transitions. [2023-11-19 02:39:31,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 3001 transitions. [2023-11-19 02:39:31,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2023-11-19 02:39:31,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:31,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:33,295 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:39:33,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:33,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3006 states to 1868 states and 3006 transitions. [2023-11-19 02:39:33,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 3006 transitions. [2023-11-19 02:39:33,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 935 [2023-11-19 02:39:33,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:33,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:39:35,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:35,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 1872 states and 3013 transitions. [2023-11-19 02:39:35,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 3013 transitions. [2023-11-19 02:39:35,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 938 [2023-11-19 02:39:35,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:35,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:37,534 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:39:37,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:37,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 1879 states and 3024 transitions. [2023-11-19 02:39:37,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 3024 transitions. [2023-11-19 02:39:37,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 939 [2023-11-19 02:39:37,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:37,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:40,754 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:39:41,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:41,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3036 states to 1887 states and 3036 transitions. [2023-11-19 02:39:41,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 3036 transitions. [2023-11-19 02:39:41,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 940 [2023-11-19 02:39:41,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:41,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:42,321 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:39:42,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:42,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 1896 states and 3050 transitions. [2023-11-19 02:39:42,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 3050 transitions. [2023-11-19 02:39:42,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 942 [2023-11-19 02:39:42,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:42,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:43,771 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:39:44,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:44,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3055 states to 1899 states and 3055 transitions. [2023-11-19 02:39:44,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1899 states and 3055 transitions. [2023-11-19 02:39:44,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 946 [2023-11-19 02:39:44,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:44,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat