./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label44.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ef3bbb-6bf4-48e2-9ba4-ad58bdbc0e7f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ef3bbb-6bf4-48e2-9ba4-ad58bdbc0e7f/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_93ef3bbb-6bf4-48e2-9ba4-ad58bdbc0e7f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ef3bbb-6bf4-48e2-9ba4-ad58bdbc0e7f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label44.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ef3bbb-6bf4-48e2-9ba4-ad58bdbc0e7f/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_93ef3bbb-6bf4-48e2-9ba4-ad58bdbc0e7f/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 37cccb3bf38aef2358990f5bb72c991902624e4b903b7b6aaef89921bb90a94d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:44:18,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:44:18,499 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ef3bbb-6bf4-48e2-9ba4-ad58bdbc0e7f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:44:18,509 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:44:18,510 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:44:18,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:44:18,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:44:18,551 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:44:18,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:44:18,559 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:44:18,561 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:44:18,561 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:44:18,562 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:44:18,563 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:44:18,564 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:44:18,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:44:18,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:44:18,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:44:18,565 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:44:18,566 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:44:18,566 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:44:18,567 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:44:18,567 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:44:18,568 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:44:18,568 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:44:18,569 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:44:18,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:18,570 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:44:18,570 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:44:18,570 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:44:18,572 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:44:18,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:44:18,572 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:44:18,572 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_93ef3bbb-6bf4-48e2-9ba4-ad58bdbc0e7f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ef3bbb-6bf4-48e2-9ba4-ad58bdbc0e7f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37cccb3bf38aef2358990f5bb72c991902624e4b903b7b6aaef89921bb90a94d [2023-11-19 02:44:18,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:44:18,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:44:18,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:44:18,918 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:44:18,918 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:44:18,920 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ef3bbb-6bf4-48e2-9ba4-ad58bdbc0e7f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem03_label44.c [2023-11-19 02:44:21,953 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:44:22,376 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:44:22,376 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ef3bbb-6bf4-48e2-9ba4-ad58bdbc0e7f/sv-benchmarks/c/eca-rers2012/Problem03_label44.c [2023-11-19 02:44:22,399 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ef3bbb-6bf4-48e2-9ba4-ad58bdbc0e7f/bin/ukojak-verify-G8NBE6pJGL/data/1710e25f1/05d43428845c42e6a2d7cfd41ab4a40b/FLAG7adb6871e [2023-11-19 02:44:22,422 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ef3bbb-6bf4-48e2-9ba4-ad58bdbc0e7f/bin/ukojak-verify-G8NBE6pJGL/data/1710e25f1/05d43428845c42e6a2d7cfd41ab4a40b [2023-11-19 02:44:22,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:44:22,430 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:44:22,431 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:44:22,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:44:22,437 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:44:22,438 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:22" (1/1) ... [2023-11-19 02:44:22,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b45925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:22, skipping insertion in model container [2023-11-19 02:44:22,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:22" (1/1) ... [2023-11-19 02:44:22,550 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:44:23,281 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_93ef3bbb-6bf4-48e2-9ba4-ad58bdbc0e7f/sv-benchmarks/c/eca-rers2012/Problem03_label44.c[58121,58134] [2023-11-19 02:44:23,312 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:44:23,329 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:44:23,590 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_93ef3bbb-6bf4-48e2-9ba4-ad58bdbc0e7f/sv-benchmarks/c/eca-rers2012/Problem03_label44.c[58121,58134] [2023-11-19 02:44:23,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:44:23,710 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:44:23,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:23 WrapperNode [2023-11-19 02:44:23,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:44:23,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:44:23,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:44:23,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:44:23,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:23" (1/1) ... [2023-11-19 02:44:23,827 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:23" (1/1) ... [2023-11-19 02:44:23,930 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1772 [2023-11-19 02:44:23,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:44:23,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:44:23,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:44:23,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:44:23,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:23" (1/1) ... [2023-11-19 02:44:23,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:23" (1/1) ... [2023-11-19 02:44:23,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:23" (1/1) ... [2023-11-19 02:44:23,952 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:23" (1/1) ... [2023-11-19 02:44:24,019 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:23" (1/1) ... [2023-11-19 02:44:24,052 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:23" (1/1) ... [2023-11-19 02:44:24,064 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:23" (1/1) ... [2023-11-19 02:44:24,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:23" (1/1) ... [2023-11-19 02:44:24,091 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:44:24,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:44:24,093 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:44:24,093 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:44:24,094 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:23" (1/1) ... [2023-11-19 02:44:24,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:24,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ef3bbb-6bf4-48e2-9ba4-ad58bdbc0e7f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:44:24,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ef3bbb-6bf4-48e2-9ba4-ad58bdbc0e7f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:44:24,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ef3bbb-6bf4-48e2-9ba4-ad58bdbc0e7f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:44:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:44:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:44:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:44:24,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:44:24,251 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:44:24,254 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:44:26,319 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:44:26,780 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:44:26,781 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:44:26,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:26 BoogieIcfgContainer [2023-11-19 02:44:26,787 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:44:26,788 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:44:26,788 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:44:26,799 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:44:26,799 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:26" (1/1) ... [2023-11-19 02:44:26,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:44:26,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:26,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 148 states and 288 transitions. [2023-11-19 02:44:26,885 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 288 transitions. [2023-11-19 02:44:26,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-19 02:44:26,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:26,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:27,787 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 02:44:28,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:28,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 289 states and 522 transitions. [2023-11-19 02:44:28,978 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 522 transitions. [2023-11-19 02:44:29,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-19 02:44:29,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:29,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:29,508 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 02:44:29,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:29,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 293 states and 528 transitions. [2023-11-19 02:44:29,597 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 528 transitions. [2023-11-19 02:44:29,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-19 02:44:29,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:29,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:29,960 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:44:30,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:30,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 298 states and 536 transitions. [2023-11-19 02:44:30,124 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 536 transitions. [2023-11-19 02:44:30,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-19 02:44:30,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:30,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:30,482 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:44:32,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:32,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 440 states and 727 transitions. [2023-11-19 02:44:32,170 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 727 transitions. [2023-11-19 02:44:32,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-19 02:44:32,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:32,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:32,354 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 02:44:32,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:32,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 447 states and 738 transitions. [2023-11-19 02:44:32,638 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 738 transitions. [2023-11-19 02:44:32,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-19 02:44:32,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:32,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:33,100 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:44:33,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:33,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 458 states and 775 transitions. [2023-11-19 02:44:33,930 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 775 transitions. [2023-11-19 02:44:33,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-19 02:44:33,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:33,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:34,382 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:44:34,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:34,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 462 states and 780 transitions. [2023-11-19 02:44:34,521 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 780 transitions. [2023-11-19 02:44:34,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-19 02:44:34,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:34,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:34,783 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:44:35,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:35,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 471 states and 794 transitions. [2023-11-19 02:44:35,106 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 794 transitions. [2023-11-19 02:44:35,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-19 02:44:35,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:35,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:35,809 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:44:38,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:38,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 626 states and 1018 transitions. [2023-11-19 02:44:38,780 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 1018 transitions. [2023-11-19 02:44:38,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-19 02:44:38,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:38,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:39,143 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:44:39,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:39,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 627 states and 1019 transitions. [2023-11-19 02:44:39,284 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 1019 transitions. [2023-11-19 02:44:39,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-19 02:44:39,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:39,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:39,558 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 02:44:40,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:40,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 633 states and 1036 transitions. [2023-11-19 02:44:40,223 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 1036 transitions. [2023-11-19 02:44:40,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-19 02:44:40,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:40,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:40,495 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 02:44:40,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:40,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 638 states and 1044 transitions. [2023-11-19 02:44:40,830 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1044 transitions. [2023-11-19 02:44:40,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-19 02:44:40,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:40,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:41,093 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:44:41,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:41,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 651 states and 1062 transitions. [2023-11-19 02:44:41,376 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1062 transitions. [2023-11-19 02:44:41,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-19 02:44:41,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:41,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:41,688 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:44:41,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:41,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 660 states and 1072 transitions. [2023-11-19 02:44:41,904 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1072 transitions. [2023-11-19 02:44:41,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-19 02:44:41,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:41,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:42,212 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:44:42,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:42,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 669 states and 1085 transitions. [2023-11-19 02:44:42,712 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1085 transitions. [2023-11-19 02:44:42,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-19 02:44:42,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:42,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:42,983 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:44:43,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:43,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 671 states and 1087 transitions. [2023-11-19 02:44:43,325 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1087 transitions. [2023-11-19 02:44:43,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-19 02:44:43,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:43,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:43,614 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:44:44,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:44,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 674 states and 1092 transitions. [2023-11-19 02:44:44,221 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 1092 transitions. [2023-11-19 02:44:44,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-19 02:44:44,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:44,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:44,503 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:44:45,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:45,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 676 states and 1095 transitions. [2023-11-19 02:44:45,020 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1095 transitions. [2023-11-19 02:44:45,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 02:44:45,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:45,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:45,302 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:44:45,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:45,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 677 states and 1097 transitions. [2023-11-19 02:44:45,408 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 1097 transitions. [2023-11-19 02:44:45,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 02:44:45,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:45,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:45,840 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:44:45,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:45,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 678 states and 1098 transitions. [2023-11-19 02:44:45,948 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1098 transitions. [2023-11-19 02:44:45,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-19 02:44:45,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:45,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:46,244 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 02:44:46,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:46,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 679 states and 1101 transitions. [2023-11-19 02:44:46,605 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1101 transitions. [2023-11-19 02:44:46,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-19 02:44:46,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:46,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:46,897 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 02:44:47,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:47,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 683 states and 1105 transitions. [2023-11-19 02:44:47,251 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1105 transitions. [2023-11-19 02:44:47,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-19 02:44:47,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:47,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:47,513 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 02:44:48,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:48,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 689 states and 1114 transitions. [2023-11-19 02:44:48,024 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1114 transitions. [2023-11-19 02:44:48,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 02:44:48,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:48,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:48,278 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:44:48,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:48,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 691 states and 1116 transitions. [2023-11-19 02:44:48,547 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1116 transitions. [2023-11-19 02:44:48,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 02:44:48,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:48,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:48,784 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:44:49,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:49,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 700 states and 1125 transitions. [2023-11-19 02:44:49,327 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1125 transitions. [2023-11-19 02:44:49,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 02:44:49,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:49,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:49,594 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:44:49,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:49,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 714 states and 1141 transitions. [2023-11-19 02:44:49,841 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1141 transitions. [2023-11-19 02:44:49,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-19 02:44:49,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:49,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:50,042 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 02:44:50,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:50,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 718 states and 1146 transitions. [2023-11-19 02:44:50,126 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 1146 transitions. [2023-11-19 02:44:50,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-19 02:44:50,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:50,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:50,723 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:44:51,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:51,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 742 states and 1176 transitions. [2023-11-19 02:44:51,858 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1176 transitions. [2023-11-19 02:44:51,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-19 02:44:51,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:51,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:52,119 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:44:53,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:53,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 773 states and 1218 transitions. [2023-11-19 02:44:53,378 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1218 transitions. [2023-11-19 02:44:53,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-19 02:44:53,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:53,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:53,729 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 02:44:54,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:54,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 800 states and 1251 transitions. [2023-11-19 02:44:54,957 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1251 transitions. [2023-11-19 02:44:54,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-19 02:44:54,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:54,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:55,474 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 39 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 02:44:57,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:57,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 830 states and 1300 transitions. [2023-11-19 02:44:57,211 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1300 transitions. [2023-11-19 02:44:57,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-19 02:44:57,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:57,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:57,720 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:45:00,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:00,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 867 states and 1371 transitions. [2023-11-19 02:45:00,440 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1371 transitions. [2023-11-19 02:45:00,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-19 02:45:00,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:00,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:00,813 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:45:01,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:01,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 873 states and 1379 transitions. [2023-11-19 02:45:01,536 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1379 transitions. [2023-11-19 02:45:01,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-19 02:45:01,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:01,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:01,803 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:45:03,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:03,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 903 states and 1418 transitions. [2023-11-19 02:45:03,220 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1418 transitions. [2023-11-19 02:45:03,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-19 02:45:03,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:03,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:03,517 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:45:04,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:04,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 910 states and 1424 transitions. [2023-11-19 02:45:04,089 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1424 transitions. [2023-11-19 02:45:04,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-19 02:45:04,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:04,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:04,510 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 38 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:45:07,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:07,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 942 states and 1473 transitions. [2023-11-19 02:45:07,757 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1473 transitions. [2023-11-19 02:45:07,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-19 02:45:07,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:07,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat