./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label38.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_d102b8bf-3611-4cdd-bd53-f3ebf096aaec/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102b8bf-3611-4cdd-bd53-f3ebf096aaec/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_d102b8bf-3611-4cdd-bd53-f3ebf096aaec/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102b8bf-3611-4cdd-bd53-f3ebf096aaec/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label38.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102b8bf-3611-4cdd-bd53-f3ebf096aaec/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_d102b8bf-3611-4cdd-bd53-f3ebf096aaec/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 fdb27d59fc002417a81fff0784880a5606c55b11baa03337770e23bfe3940106 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:10:49,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:10:49,901 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102b8bf-3611-4cdd-bd53-f3ebf096aaec/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:10:49,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:10:49,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:10:49,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:10:49,932 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:10:49,933 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:10:49,934 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:10:49,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:10:49,935 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:10:49,936 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:10:49,937 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:10:49,937 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:10:49,938 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:10:49,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:10:49,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:10:49,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:10:49,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:10:49,941 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:10:49,942 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:10:49,942 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:10:49,943 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:10:49,944 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:10:49,944 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:10:49,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:10:49,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:49,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:10:49,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:10:49,947 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:10:49,948 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:10:49,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:10:49,949 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:10:49,949 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_d102b8bf-3611-4cdd-bd53-f3ebf096aaec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102b8bf-3611-4cdd-bd53-f3ebf096aaec/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdb27d59fc002417a81fff0784880a5606c55b11baa03337770e23bfe3940106 [2023-11-24 22:10:50,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:10:50,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:10:50,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:10:50,259 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:10:50,259 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:10:50,261 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102b8bf-3611-4cdd-bd53-f3ebf096aaec/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/eca-rers2012/Problem04_label38.c [2023-11-24 22:10:53,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:10:53,940 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:10:53,941 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102b8bf-3611-4cdd-bd53-f3ebf096aaec/sv-benchmarks/c/eca-rers2012/Problem04_label38.c [2023-11-24 22:10:53,974 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102b8bf-3611-4cdd-bd53-f3ebf096aaec/bin/ukojak-verify-afCqCEvfdi/data/79bb85e21/eb0b77ec8f4044268ef58624eb57c7dc/FLAG5443057ec [2023-11-24 22:10:53,993 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102b8bf-3611-4cdd-bd53-f3ebf096aaec/bin/ukojak-verify-afCqCEvfdi/data/79bb85e21/eb0b77ec8f4044268ef58624eb57c7dc [2023-11-24 22:10:54,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:10:54,004 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:10:54,007 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:54,007 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:10:54,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:10:54,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:53" (1/1) ... [2023-11-24 22:10:54,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f48fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:54, skipping insertion in model container [2023-11-24 22:10:54,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:53" (1/1) ... [2023-11-24 22:10:54,225 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:10:55,621 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_d102b8bf-3611-4cdd-bd53-f3ebf096aaec/sv-benchmarks/c/eca-rers2012/Problem04_label38.c[177597,177610] [2023-11-24 22:10:55,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:55,665 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:10:56,319 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_d102b8bf-3611-4cdd-bd53-f3ebf096aaec/sv-benchmarks/c/eca-rers2012/Problem04_label38.c[177597,177610] [2023-11-24 22:10:56,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:56,364 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:10:56,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:56 WrapperNode [2023-11-24 22:10:56,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:56,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:56,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:10:56,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:10:56,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:56" (1/1) ... [2023-11-24 22:10:56,440 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:56" (1/1) ... [2023-11-24 22:10:56,681 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5573 [2023-11-24 22:10:56,682 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:56,683 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:10:56,683 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:10:56,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:10:56,694 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:56" (1/1) ... [2023-11-24 22:10:56,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:56" (1/1) ... [2023-11-24 22:10:56,715 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:56" (1/1) ... [2023-11-24 22:10:56,716 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:56" (1/1) ... [2023-11-24 22:10:56,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:56" (1/1) ... [2023-11-24 22:10:56,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:56" (1/1) ... [2023-11-24 22:10:56,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:56" (1/1) ... [2023-11-24 22:10:56,884 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:56" (1/1) ... [2023-11-24 22:10:56,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:10:56,910 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:10:56,910 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:10:56,910 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:10:56,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:56" (1/1) ... [2023-11-24 22:10:56,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:56,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102b8bf-3611-4cdd-bd53-f3ebf096aaec/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:10:56,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102b8bf-3611-4cdd-bd53-f3ebf096aaec/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:10:56,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102b8bf-3611-4cdd-bd53-f3ebf096aaec/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:10:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:10:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:10:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:10:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:10:57,068 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:10:57,071 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:02,131 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:02,582 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:11:02,583 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:11:02,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:02 BoogieIcfgContainer [2023-11-24 22:11:02,586 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:11:02,587 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:11:02,587 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:11:02,598 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:11:02,599 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:02" (1/1) ... [2023-11-24 22:11:02,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:11:02,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:02,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 763 states and 1515 transitions. [2023-11-24 22:11:02,708 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1515 transitions. [2023-11-24 22:11:02,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2023-11-24 22:11:02,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:02,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:05,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:10,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:10,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 1516 states and 2376 transitions. [2023-11-24 22:11:10,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 2376 transitions. [2023-11-24 22:11:10,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2023-11-24 22:11:10,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:10,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:12,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:12,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:12,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 1519 states and 2381 transitions. [2023-11-24 22:11:12,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2381 transitions. [2023-11-24 22:11:12,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2023-11-24 22:11:12,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:12,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:13,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:13,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:13,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 1523 states and 2388 transitions. [2023-11-24 22:11:13,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2388 transitions. [2023-11-24 22:11:13,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 763 [2023-11-24 22:11:13,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:13,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:14,232 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:14,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:14,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 1526 states and 2392 transitions. [2023-11-24 22:11:14,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 2392 transitions. [2023-11-24 22:11:14,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 765 [2023-11-24 22:11:14,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:14,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:15,075 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:15,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:15,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 1534 states and 2404 transitions. [2023-11-24 22:11:15,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 2404 transitions. [2023-11-24 22:11:15,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2023-11-24 22:11:15,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:15,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:16,305 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:16,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:16,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 1543 states and 2418 transitions. [2023-11-24 22:11:16,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2418 transitions. [2023-11-24 22:11:16,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2023-11-24 22:11:16,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:16,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:17,564 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:18,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:18,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 1553 states and 2434 transitions. [2023-11-24 22:11:18,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 2434 transitions. [2023-11-24 22:11:18,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2023-11-24 22:11:18,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:18,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:18,945 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:19,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:19,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2452 states to 1564 states and 2452 transitions. [2023-11-24 22:11:19,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2452 transitions. [2023-11-24 22:11:19,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2023-11-24 22:11:19,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:19,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:20,828 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:21,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:21,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 1570 states and 2461 transitions. [2023-11-24 22:11:21,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2461 transitions. [2023-11-24 22:11:21,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2023-11-24 22:11:21,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:21,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:22,652 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:23,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:23,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 1571 states and 2464 transitions. [2023-11-24 22:11:23,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2464 transitions. [2023-11-24 22:11:23,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 772 [2023-11-24 22:11:23,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:23,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:24,350 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:24,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:24,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 1575 states and 2469 transitions. [2023-11-24 22:11:24,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 2469 transitions. [2023-11-24 22:11:24,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 774 [2023-11-24 22:11:24,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:24,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:25,068 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:25,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:25,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 1588 states and 2486 transitions. [2023-11-24 22:11:25,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2486 transitions. [2023-11-24 22:11:25,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2023-11-24 22:11:25,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:25,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:26,607 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:26,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:26,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 1591 states and 2490 transitions. [2023-11-24 22:11:26,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2490 transitions. [2023-11-24 22:11:26,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 776 [2023-11-24 22:11:26,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:26,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:27,420 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:28,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:28,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 1602 states and 2506 transitions. [2023-11-24 22:11:28,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 2506 transitions. [2023-11-24 22:11:28,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2023-11-24 22:11:28,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:28,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:28,651 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:11:28,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:28,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 1603 states and 2507 transitions. [2023-11-24 22:11:28,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2507 transitions. [2023-11-24 22:11:28,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2023-11-24 22:11:28,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:28,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:29,580 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-24 22:11:30,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:30,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 1604 states and 2508 transitions. [2023-11-24 22:11:30,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2508 transitions. [2023-11-24 22:11:30,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 779 [2023-11-24 22:11:30,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:30,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:30,931 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:31,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:31,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 1626 states and 2537 transitions. [2023-11-24 22:11:31,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 2537 transitions. [2023-11-24 22:11:32,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2023-11-24 22:11:32,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:32,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:32,453 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:11:32,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:32,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2547 states to 1631 states and 2547 transitions. [2023-11-24 22:11:32,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 2547 transitions. [2023-11-24 22:11:32,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2023-11-24 22:11:32,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:32,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:33,159 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:11:33,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:33,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2554 states to 1636 states and 2554 transitions. [2023-11-24 22:11:33,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2554 transitions. [2023-11-24 22:11:33,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 781 [2023-11-24 22:11:33,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:33,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:33,990 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:11:34,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:34,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 1646 states and 2567 transitions. [2023-11-24 22:11:34,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2567 transitions. [2023-11-24 22:11:34,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 781 [2023-11-24 22:11:34,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:34,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:35,071 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:35,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:35,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2579 states to 1655 states and 2579 transitions. [2023-11-24 22:11:35,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2579 transitions. [2023-11-24 22:11:35,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-24 22:11:35,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:35,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:36,563 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:37,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:37,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 1659 states and 2593 transitions. [2023-11-24 22:11:37,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2593 transitions. [2023-11-24 22:11:37,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 783 [2023-11-24 22:11:37,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:37,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:37,557 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-24 22:11:38,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:38,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2602 states to 1665 states and 2602 transitions. [2023-11-24 22:11:38,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2602 transitions. [2023-11-24 22:11:38,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 783 [2023-11-24 22:11:38,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:38,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms