./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem06_label23.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5922f6d1-1db8-46da-a723-2ce3d1b0b13b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5922f6d1-1db8-46da-a723-2ce3d1b0b13b/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_5922f6d1-1db8-46da-a723-2ce3d1b0b13b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5922f6d1-1db8-46da-a723-2ce3d1b0b13b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label23.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5922f6d1-1db8-46da-a723-2ce3d1b0b13b/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_5922f6d1-1db8-46da-a723-2ce3d1b0b13b/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 f72bad15f8f01e3539932699231a647b6424cf545c125421fc51fb4585bff8df --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:50:13,754 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:50:13,846 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5922f6d1-1db8-46da-a723-2ce3d1b0b13b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:50:13,851 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:50:13,852 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:50:13,876 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:50:13,877 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:50:13,878 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:50:13,878 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:50:13,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:50:13,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:50:13,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:50:13,881 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:50:13,881 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:50:13,882 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:50:13,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:50:13,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:50:13,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:50:13,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:50:13,885 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:50:13,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:50:13,886 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:50:13,887 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:50:13,887 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:50:13,888 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:50:13,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:50:13,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:13,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:50:13,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:50:13,891 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:50:13,891 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:50:13,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:50:13,892 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:50:13,893 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_5922f6d1-1db8-46da-a723-2ce3d1b0b13b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5922f6d1-1db8-46da-a723-2ce3d1b0b13b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f72bad15f8f01e3539932699231a647b6424cf545c125421fc51fb4585bff8df [2023-11-19 02:50:14,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:50:14,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:50:14,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:50:14,270 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:50:14,272 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:50:14,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5922f6d1-1db8-46da-a723-2ce3d1b0b13b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem06_label23.c [2023-11-19 02:50:17,308 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:50:18,027 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:50:18,028 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5922f6d1-1db8-46da-a723-2ce3d1b0b13b/sv-benchmarks/c/eca-rers2012/Problem06_label23.c [2023-11-19 02:50:18,072 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5922f6d1-1db8-46da-a723-2ce3d1b0b13b/bin/ukojak-verify-G8NBE6pJGL/data/8ad80f800/c0581cb9d5d04f20bd1b3cafae01ad6e/FLAG32dbbd110 [2023-11-19 02:50:18,086 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5922f6d1-1db8-46da-a723-2ce3d1b0b13b/bin/ukojak-verify-G8NBE6pJGL/data/8ad80f800/c0581cb9d5d04f20bd1b3cafae01ad6e [2023-11-19 02:50:18,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:50:18,090 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:50:18,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:18,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:50:18,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:50:18,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:18" (1/1) ... [2023-11-19 02:50:18,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9877b42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:18, skipping insertion in model container [2023-11-19 02:50:18,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:18" (1/1) ... [2023-11-19 02:50:18,368 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:50:20,680 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_5922f6d1-1db8-46da-a723-2ce3d1b0b13b/sv-benchmarks/c/eca-rers2012/Problem06_label23.c[334921,334934] [2023-11-19 02:50:20,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:20,721 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:50:21,851 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_5922f6d1-1db8-46da-a723-2ce3d1b0b13b/sv-benchmarks/c/eca-rers2012/Problem06_label23.c[334921,334934] [2023-11-19 02:50:21,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:21,965 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:50:21,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:21 WrapperNode [2023-11-19 02:50:21,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:21,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:21,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:50:21,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:50:21,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:21" (1/1) ... [2023-11-19 02:50:22,060 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:21" (1/1) ... [2023-11-19 02:50:22,357 INFO L138 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10174 [2023-11-19 02:50:22,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:22,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:50:22,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:50:22,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:50:22,370 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:21" (1/1) ... [2023-11-19 02:50:22,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:21" (1/1) ... [2023-11-19 02:50:22,532 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:21" (1/1) ... [2023-11-19 02:50:22,533 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:21" (1/1) ... [2023-11-19 02:50:22,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:21" (1/1) ... [2023-11-19 02:50:22,715 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:21" (1/1) ... [2023-11-19 02:50:22,734 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:21" (1/1) ... [2023-11-19 02:50:22,754 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:21" (1/1) ... [2023-11-19 02:50:22,799 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:50:22,800 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:50:22,800 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:50:22,801 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:50:22,801 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:21" (1/1) ... [2023-11-19 02:50:22,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:22,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5922f6d1-1db8-46da-a723-2ce3d1b0b13b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:50:22,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5922f6d1-1db8-46da-a723-2ce3d1b0b13b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:50:22,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5922f6d1-1db8-46da-a723-2ce3d1b0b13b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:50:22,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:50:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:50:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:50:22,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:50:23,073 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:50:23,075 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:50:30,684 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:50:32,013 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:50:32,013 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:50:32,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:32 BoogieIcfgContainer [2023-11-19 02:50:32,025 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:50:32,026 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:50:32,026 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:50:32,036 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:50:32,036 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:32" (1/1) ... [2023-11-19 02:50:32,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:50:32,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:32,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 938 states and 1864 transitions. [2023-11-19 02:50:32,123 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1864 transitions. [2023-11-19 02:50:32,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 930 [2023-11-19 02:50:32,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:32,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:36,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:42,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:42,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 1865 states and 3208 transitions. [2023-11-19 02:50:42,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 3208 transitions. [2023-11-19 02:50:42,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2023-11-19 02:50:42,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:42,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:44,017 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:44,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:44,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 1868 states and 3213 transitions. [2023-11-19 02:50:44,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 3213 transitions. [2023-11-19 02:50:44,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 935 [2023-11-19 02:50:44,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:44,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:45,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:45,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:45,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3220 states to 1872 states and 3220 transitions. [2023-11-19 02:50:45,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 3220 transitions. [2023-11-19 02:50:45,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 938 [2023-11-19 02:50:45,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:45,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:48,145 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:48,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:48,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3231 states to 1879 states and 3231 transitions. [2023-11-19 02:50:48,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 3231 transitions. [2023-11-19 02:50:48,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 939 [2023-11-19 02:50:48,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:48,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:51,221 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:51,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:51,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 1887 states and 3244 transitions. [2023-11-19 02:50:51,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 3244 transitions. [2023-11-19 02:50:51,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 940 [2023-11-19 02:50:51,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:51,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:52,877 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:53,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:53,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3259 states to 1896 states and 3259 transitions. [2023-11-19 02:50:53,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 3259 transitions. [2023-11-19 02:50:53,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 941 [2023-11-19 02:50:53,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:53,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:54,724 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 02:50:55,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:55,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3268 states to 1902 states and 3268 transitions. [2023-11-19 02:50:55,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 3268 transitions. [2023-11-19 02:50:55,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 943 [2023-11-19 02:50:55,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:55,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:56,066 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 02:50:56,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:56,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3276 states to 1907 states and 3276 transitions. [2023-11-19 02:50:56,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 3276 transitions. [2023-11-19 02:50:56,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 944 [2023-11-19 02:50:56,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:56,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:57,467 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:58,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:58,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3295 states to 1920 states and 3295 transitions. [2023-11-19 02:50:58,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 3295 transitions. [2023-11-19 02:50:58,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 945 [2023-11-19 02:50:58,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:58,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms