./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label12.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f3f35c-e21c-43e3-ab46-a8bb0970c673/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f3f35c-e21c-43e3-ab46-a8bb0970c673/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_a3f3f35c-e21c-43e3-ab46-a8bb0970c673/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f3f35c-e21c-43e3-ab46-a8bb0970c673/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f3f35c-e21c-43e3-ab46-a8bb0970c673/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_a3f3f35c-e21c-43e3-ab46-a8bb0970c673/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 03d8c36b2b461f2e971b6e7a5a6a75d5c3ec3fc4aa27ca1a57d652ec13d33c8f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:00:29,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:00:29,794 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f3f35c-e21c-43e3-ab46-a8bb0970c673/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:00:29,807 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:00:29,808 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:00:29,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:00:29,849 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:00:29,850 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:00:29,851 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:00:29,858 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:00:29,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:00:29,860 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:00:29,861 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:00:29,863 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:00:29,864 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:00:29,865 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:00:29,865 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:00:29,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:00:29,866 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:00:29,867 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:00:29,868 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:00:29,868 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:00:29,869 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:00:29,869 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:00:29,870 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:00:29,871 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:00:29,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:00:29,872 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:00:29,872 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:00:29,873 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:00:29,874 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:00:29,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:00:29,875 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:00:29,875 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_a3f3f35c-e21c-43e3-ab46-a8bb0970c673/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f3f35c-e21c-43e3-ab46-a8bb0970c673/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d8c36b2b461f2e971b6e7a5a6a75d5c3ec3fc4aa27ca1a57d652ec13d33c8f [2023-11-19 03:00:30,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:00:30,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:00:30,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:00:30,244 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:00:30,245 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:00:30,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f3f35c-e21c-43e3-ab46-a8bb0970c673/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem04_label12.c [2023-11-19 03:00:33,417 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:00:34,007 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:00:34,008 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f3f35c-e21c-43e3-ab46-a8bb0970c673/sv-benchmarks/c/eca-rers2012/Problem04_label12.c [2023-11-19 03:00:34,048 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f3f35c-e21c-43e3-ab46-a8bb0970c673/bin/ukojak-verify-G8NBE6pJGL/data/5161a0e6b/cf9356c6dec3467b9c7f4c584adaf834/FLAG29990beae [2023-11-19 03:00:34,070 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f3f35c-e21c-43e3-ab46-a8bb0970c673/bin/ukojak-verify-G8NBE6pJGL/data/5161a0e6b/cf9356c6dec3467b9c7f4c584adaf834 [2023-11-19 03:00:34,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:00:34,077 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:00:34,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:00:34,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:00:34,084 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:00:34,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:00:34" (1/1) ... [2023-11-19 03:00:34,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@760d025b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:34, skipping insertion in model container [2023-11-19 03:00:34,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:00:34" (1/1) ... [2023-11-19 03:00:34,334 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:00:35,801 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_a3f3f35c-e21c-43e3-ab46-a8bb0970c673/sv-benchmarks/c/eca-rers2012/Problem04_label12.c[176369,176382] [2023-11-19 03:00:35,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:00:35,850 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:00:36,461 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_a3f3f35c-e21c-43e3-ab46-a8bb0970c673/sv-benchmarks/c/eca-rers2012/Problem04_label12.c[176369,176382] [2023-11-19 03:00:36,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:00:36,506 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:00:36,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:36 WrapperNode [2023-11-19 03:00:36,507 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:00:36,508 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:00:36,508 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:00:36,508 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:00:36,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:36" (1/1) ... [2023-11-19 03:00:36,639 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:36" (1/1) ... [2023-11-19 03:00:36,829 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5573 [2023-11-19 03:00:36,830 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:00:36,831 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:00:36,831 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:00:36,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:00:36,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:36" (1/1) ... [2023-11-19 03:00:36,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:36" (1/1) ... [2023-11-19 03:00:36,867 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:36" (1/1) ... [2023-11-19 03:00:36,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:36" (1/1) ... [2023-11-19 03:00:36,988 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:36" (1/1) ... [2023-11-19 03:00:37,034 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:36" (1/1) ... [2023-11-19 03:00:37,049 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:36" (1/1) ... [2023-11-19 03:00:37,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:36" (1/1) ... [2023-11-19 03:00:37,093 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:00:37,095 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:00:37,095 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:00:37,095 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:00:37,096 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:36" (1/1) ... [2023-11-19 03:00:37,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:00:37,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f3f35c-e21c-43e3-ab46-a8bb0970c673/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:00:37,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f3f35c-e21c-43e3-ab46-a8bb0970c673/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:00:37,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3f3f35c-e21c-43e3-ab46-a8bb0970c673/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:00:37,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:00:37,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:00:37,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:00:37,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:00:37,461 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:00:37,465 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:00:42,309 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:00:42,683 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:00:42,683 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:00:42,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:00:42 BoogieIcfgContainer [2023-11-19 03:00:42,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:00:42,702 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:00:42,702 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:00:42,712 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:00:42,712 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:00:42" (1/1) ... [2023-11-19 03:00:42,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:00:42,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:42,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 763 states and 1515 transitions. [2023-11-19 03:00:42,822 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1515 transitions. [2023-11-19 03:00:42,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2023-11-19 03:00:42,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:42,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:45,438 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 03:00:50,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:50,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2280 states to 1516 states and 2280 transitions. [2023-11-19 03:00:50,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 2280 transitions. [2023-11-19 03:00:50,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2023-11-19 03:00:50,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:50,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:52,863 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:53,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:53,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2285 states to 1519 states and 2285 transitions. [2023-11-19 03:00:53,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2285 transitions. [2023-11-19 03:00:53,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2023-11-19 03:00:53,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:53,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:54,208 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 03:00:54,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:54,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 1523 states and 2292 transitions. [2023-11-19 03:00:54,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2292 transitions. [2023-11-19 03:00:54,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 762 [2023-11-19 03:00:54,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:54,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:55,474 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 03:00:55,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:55,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 1525 states and 2295 transitions. [2023-11-19 03:00:55,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 2295 transitions. [2023-11-19 03:00:55,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 763 [2023-11-19 03:00:55,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:55,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:56,556 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 03:00:56,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:56,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2300 states to 1528 states and 2300 transitions. [2023-11-19 03:00:56,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 2300 transitions. [2023-11-19 03:00:56,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 764 [2023-11-19 03:00:56,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:56,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:57,697 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 03:00:57,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:57,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 1529 states and 2301 transitions. [2023-11-19 03:00:57,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 2301 transitions. [2023-11-19 03:00:57,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 765 [2023-11-19 03:00:57,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:57,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:58,472 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:58,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:58,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 1537 states and 2314 transitions. [2023-11-19 03:00:58,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2314 transitions. [2023-11-19 03:00:58,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2023-11-19 03:00:58,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:58,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:59,759 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:00,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:00,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2329 states to 1546 states and 2329 transitions. [2023-11-19 03:01:00,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2329 transitions. [2023-11-19 03:01:00,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2023-11-19 03:01:00,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:00,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:01,148 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:02,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:02,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 1556 states and 2346 transitions. [2023-11-19 03:01:02,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2346 transitions. [2023-11-19 03:01:02,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2023-11-19 03:01:02,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:02,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:02,783 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:03,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:03,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2365 states to 1567 states and 2365 transitions. [2023-11-19 03:01:03,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 2365 transitions. [2023-11-19 03:01:03,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2023-11-19 03:01:03,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:03,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:04,965 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:05,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:05,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 1572 states and 2373 transitions. [2023-11-19 03:01:05,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2373 transitions. [2023-11-19 03:01:05,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 770 [2023-11-19 03:01:05,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:05,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:06,408 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 03:01:06,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:06,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 1574 states and 2376 transitions. [2023-11-19 03:01:06,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 2376 transitions. [2023-11-19 03:01:06,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2023-11-19 03:01:06,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:06,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:07,438 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:01:08,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:08,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 1575 states and 2377 transitions. [2023-11-19 03:01:08,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 2377 transitions. [2023-11-19 03:01:08,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 772 [2023-11-19 03:01:08,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:08,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:08,797 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:08,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:08,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2379 states to 1577 states and 2379 transitions. [2023-11-19 03:01:08,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1577 states and 2379 transitions. [2023-11-19 03:01:08,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 773 [2023-11-19 03:01:08,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:08,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:09,381 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:09,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:09,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2390 states to 1585 states and 2390 transitions. [2023-11-19 03:01:09,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 2390 transitions. [2023-11-19 03:01:09,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 774 [2023-11-19 03:01:09,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:09,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:10,282 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:10,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:10,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2407 states to 1598 states and 2407 transitions. [2023-11-19 03:01:10,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 2407 transitions. [2023-11-19 03:01:10,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2023-11-19 03:01:10,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:10,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:11,844 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:12,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:12,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 1601 states and 2412 transitions. [2023-11-19 03:01:12,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 2412 transitions. [2023-11-19 03:01:12,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 776 [2023-11-19 03:01:12,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:12,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:12,883 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 03:01:13,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:13,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 1604 states and 2416 transitions. [2023-11-19 03:01:13,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2416 transitions. [2023-11-19 03:01:13,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2023-11-19 03:01:13,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:13,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:13,512 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:01:13,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:13,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 1605 states and 2417 transitions. [2023-11-19 03:01:13,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 2417 transitions. [2023-11-19 03:01:13,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 779 [2023-11-19 03:01:13,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:13,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:14,287 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:15,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:15,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2447 states to 1627 states and 2447 transitions. [2023-11-19 03:01:15,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 2447 transitions. [2023-11-19 03:01:15,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2023-11-19 03:01:15,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:15,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:16,075 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:01:16,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:16,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 1632 states and 2457 transitions. [2023-11-19 03:01:16,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2457 transitions. [2023-11-19 03:01:16,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2023-11-19 03:01:16,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:16,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:16,849 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.