./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem06_label28.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_54a0e1fa-ff50-4dca-84c5-ec5add5ea5dc/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a0e1fa-ff50-4dca-84c5-ec5add5ea5dc/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_54a0e1fa-ff50-4dca-84c5-ec5add5ea5dc/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a0e1fa-ff50-4dca-84c5-ec5add5ea5dc/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label28.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a0e1fa-ff50-4dca-84c5-ec5add5ea5dc/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_54a0e1fa-ff50-4dca-84c5-ec5add5ea5dc/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 bfe048977117829f0888074a3cb70602770cad05eadf6f0153cb9a847507ad78 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:12:44,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:12:44,780 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a0e1fa-ff50-4dca-84c5-ec5add5ea5dc/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:12:44,785 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:12:44,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:12:44,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:12:44,814 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:12:44,815 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:12:44,816 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:12:44,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:12:44,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:12:44,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:12:44,819 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:12:44,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:12:44,820 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:12:44,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:12:44,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:12:44,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:12:44,823 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:12:44,823 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:12:44,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:12:44,824 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:12:44,825 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:12:44,825 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:12:44,826 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:12:44,826 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:12:44,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:44,827 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:12:44,828 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:12:44,828 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:12:44,829 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:12:44,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:12:44,830 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:12:44,830 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_54a0e1fa-ff50-4dca-84c5-ec5add5ea5dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a0e1fa-ff50-4dca-84c5-ec5add5ea5dc/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfe048977117829f0888074a3cb70602770cad05eadf6f0153cb9a847507ad78 [2023-11-24 22:12:45,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:12:45,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:12:45,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:12:45,117 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:12:45,117 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:12:45,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a0e1fa-ff50-4dca-84c5-ec5add5ea5dc/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/eca-rers2012/Problem06_label28.c [2023-11-24 22:12:48,183 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:12:48,915 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:12:48,916 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a0e1fa-ff50-4dca-84c5-ec5add5ea5dc/sv-benchmarks/c/eca-rers2012/Problem06_label28.c [2023-11-24 22:12:48,968 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a0e1fa-ff50-4dca-84c5-ec5add5ea5dc/bin/ukojak-verify-afCqCEvfdi/data/564f54024/db1075208bb74ad5bca0a319aa654a53/FLAG8b6c0fb95 [2023-11-24 22:12:48,987 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a0e1fa-ff50-4dca-84c5-ec5add5ea5dc/bin/ukojak-verify-afCqCEvfdi/data/564f54024/db1075208bb74ad5bca0a319aa654a53 [2023-11-24 22:12:48,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:12:48,996 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:12:49,000 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:49,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:12:49,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:12:49,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:48" (1/1) ... [2023-11-24 22:12:49,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44d100d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:49, skipping insertion in model container [2023-11-24 22:12:49,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:48" (1/1) ... [2023-11-24 22:12:49,272 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:12:51,484 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_54a0e1fa-ff50-4dca-84c5-ec5add5ea5dc/sv-benchmarks/c/eca-rers2012/Problem06_label28.c[336548,336561] [2023-11-24 22:12:51,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:51,521 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:12:52,704 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_54a0e1fa-ff50-4dca-84c5-ec5add5ea5dc/sv-benchmarks/c/eca-rers2012/Problem06_label28.c[336548,336561] [2023-11-24 22:12:52,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:52,765 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:12:52,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:52 WrapperNode [2023-11-24 22:12:52,766 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:52,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:52,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:12:52,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:12:52,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:52" (1/1) ... [2023-11-24 22:12:52,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:52" (1/1) ... [2023-11-24 22:12:53,281 INFO L138 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10174 [2023-11-24 22:12:53,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:53,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:12:53,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:12:53,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:12:53,293 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:52" (1/1) ... [2023-11-24 22:12:53,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:52" (1/1) ... [2023-11-24 22:12:53,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:52" (1/1) ... [2023-11-24 22:12:53,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:52" (1/1) ... [2023-11-24 22:12:53,649 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:52" (1/1) ... [2023-11-24 22:12:53,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:52" (1/1) ... [2023-11-24 22:12:53,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:52" (1/1) ... [2023-11-24 22:12:53,740 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:52" (1/1) ... [2023-11-24 22:12:53,817 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:12:53,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:12:53,818 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:12:53,818 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:12:53,819 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:52" (1/1) ... [2023-11-24 22:12:53,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:53,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a0e1fa-ff50-4dca-84c5-ec5add5ea5dc/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:12:53,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a0e1fa-ff50-4dca-84c5-ec5add5ea5dc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:12:53,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a0e1fa-ff50-4dca-84c5-ec5add5ea5dc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:12:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:12:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:12:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:12:53,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:12:54,141 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:12:54,161 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:13:01,897 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:13:03,525 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:13:03,526 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:13:03,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:03 BoogieIcfgContainer [2023-11-24 22:13:03,528 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:13:03,529 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:13:03,529 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:13:03,540 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:13:03,541 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:13:03,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:03,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 938 states and 1864 transitions. [2023-11-24 22:13:03,656 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1864 transitions. [2023-11-24 22:13:03,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 930 [2023-11-24 22:13:03,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:03,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:06,494 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 22:13:12,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:12,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 1865 states and 3001 transitions. [2023-11-24 22:13:12,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 3001 transitions. [2023-11-24 22:13:12,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2023-11-24 22:13:12,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:12,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:15,158 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 22:13:15,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:15,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3006 states to 1868 states and 3006 transitions. [2023-11-24 22:13:15,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 3006 transitions. [2023-11-24 22:13:15,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 935 [2023-11-24 22:13:15,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:15,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:17,033 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 22:13:17,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:17,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 1872 states and 3013 transitions. [2023-11-24 22:13:17,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 3013 transitions. [2023-11-24 22:13:17,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 938 [2023-11-24 22:13:17,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:17,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:19,485 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:19,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:19,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 1879 states and 3024 transitions. [2023-11-24 22:13:19,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 3024 transitions. [2023-11-24 22:13:19,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 939 [2023-11-24 22:13:19,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:19,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:22,425 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 22:13:22,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:22,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3036 states to 1887 states and 3036 transitions. [2023-11-24 22:13:22,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 3036 transitions. [2023-11-24 22:13:22,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 940 [2023-11-24 22:13:22,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:22,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:24,028 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 22:13:24,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:24,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 1896 states and 3050 transitions. [2023-11-24 22:13:24,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 3050 transitions. [2023-11-24 22:13:24,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 942 [2023-11-24 22:13:24,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:24,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:25,501 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 22:13:25,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:25,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3055 states to 1899 states and 3055 transitions. [2023-11-24 22:13:25,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1899 states and 3055 transitions. [2023-11-24 22:13:25,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 946 [2023-11-24 22:13:25,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:25,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:26,745 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 22:13:27,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:27,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3077 states to 1914 states and 3077 transitions. [2023-11-24 22:13:27,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 3077 transitions. [2023-11-24 22:13:27,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 948 [2023-11-24 22:13:27,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:27,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:28,835 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 22:13:28,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:28,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 1916 states and 3079 transitions. [2023-11-24 22:13:28,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1916 states and 3079 transitions. [2023-11-24 22:13:28,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 949 [2023-11-24 22:13:28,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:28,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat