./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label38.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef5759-e035-4b05-8b2a-42ee3c4dca3c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef5759-e035-4b05-8b2a-42ee3c4dca3c/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef5759-e035-4b05-8b2a-42ee3c4dca3c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef5759-e035-4b05-8b2a-42ee3c4dca3c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label38.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef5759-e035-4b05-8b2a-42ee3c4dca3c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef5759-e035-4b05-8b2a-42ee3c4dca3c/bin/ukojak-verify-Qdu7aM0XO9 --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 df7ae3db93e92270618cc08b15772305b39e7a8184e8ea2221160c76e4a6368e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:08:38,048 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:08:38,120 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef5759-e035-4b05-8b2a-42ee3c4dca3c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:08:38,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:08:38,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:08:38,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:08:38,152 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:08:38,152 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:08:38,153 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:08:38,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:08:38,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:08:38,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:08:38,155 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:08:38,156 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:08:38,156 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:08:38,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:08:38,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:08:38,158 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:08:38,158 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:08:38,159 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:08:38,159 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:08:38,160 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:08:38,161 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:08:38,161 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:08:38,162 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:08:38,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:08:38,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:08:38,163 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:08:38,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:08:38,164 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:08:38,164 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:08:38,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:08:38,165 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:08:38,165 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_e5ef5759-e035-4b05-8b2a-42ee3c4dca3c/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef5759-e035-4b05-8b2a-42ee3c4dca3c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df7ae3db93e92270618cc08b15772305b39e7a8184e8ea2221160c76e4a6368e [2023-12-02 22:08:38,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:08:38,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:08:38,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:08:38,428 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:08:38,428 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:08:38,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef5759-e035-4b05-8b2a-42ee3c4dca3c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-rers2012/Problem07_label38.c [2023-12-02 22:08:41,284 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:08:42,752 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:08:42,753 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef5759-e035-4b05-8b2a-42ee3c4dca3c/sv-benchmarks/c/eca-rers2012/Problem07_label38.c [2023-12-02 22:08:42,920 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef5759-e035-4b05-8b2a-42ee3c4dca3c/bin/ukojak-verify-Qdu7aM0XO9/data/57a627858/fe1181721a7b4352a185e66f1716cbaa/FLAG9c05ef45f [2023-12-02 22:08:42,933 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef5759-e035-4b05-8b2a-42ee3c4dca3c/bin/ukojak-verify-Qdu7aM0XO9/data/57a627858/fe1181721a7b4352a185e66f1716cbaa [2023-12-02 22:08:42,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:08:42,936 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:08:42,937 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:08:42,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:08:42,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:08:42,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:08:42" (1/1) ... [2023-12-02 22:08:42,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da9527b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:42, skipping insertion in model container [2023-12-02 22:08:42,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:08:42" (1/1) ... [2023-12-02 22:08:43,813 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:08:55,506 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_e5ef5759-e035-4b05-8b2a-42ee3c4dca3c/sv-benchmarks/c/eca-rers2012/Problem07_label38.c[2774782,2774795] [2023-12-02 22:08:55,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:08:55,586 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:09:02,275 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_e5ef5759-e035-4b05-8b2a-42ee3c4dca3c/sv-benchmarks/c/eca-rers2012/Problem07_label38.c[2774782,2774795] [2023-12-02 22:09:02,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:09:03,177 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:09:03,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03 WrapperNode [2023-12-02 22:09:03,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:09:03,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:09:03,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:09:03,179 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:09:03,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03" (1/1) ... [2023-12-02 22:09:03,723 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03" (1/1) ... [2023-12-02 22:09:05,599 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83774 [2023-12-02 22:09:05,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:09:05,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:09:05,601 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:09:05,601 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:09:05,610 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03" (1/1) ... [2023-12-02 22:09:05,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03" (1/1) ... [2023-12-02 22:09:06,159 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03" (1/1) ... [2023-12-02 22:09:06,160 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03" (1/1) ... [2023-12-02 22:09:06,911 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03" (1/1) ... [2023-12-02 22:09:07,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03" (1/1) ... [2023-12-02 22:09:07,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03" (1/1) ... [2023-12-02 22:09:07,448 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03" (1/1) ... [2023-12-02 22:09:07,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:09:07,928 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:09:07,928 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:09:07,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:09:07,931 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03" (1/1) ... [2023-12-02 22:09:07,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:09:07,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef5759-e035-4b05-8b2a-42ee3c4dca3c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:09:07,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef5759-e035-4b05-8b2a-42ee3c4dca3c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:09:07,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ef5759-e035-4b05-8b2a-42ee3c4dca3c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:09:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:09:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:09:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:09:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:09:08,175 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:09:08,178 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:09:51,999 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:09:52,954 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:09:52,954 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:09:52,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:09:52 BoogieIcfgContainer [2023-12-02 22:09:52,961 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:09:52,963 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:09:52,963 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:09:52,974 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:09:52,974 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:09:52" (1/1) ... [2023-12-02 22:09:52,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:09:53,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:53,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2023-12-02 22:09:53,239 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2023-12-02 22:09:54,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2023-12-02 22:09:54,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:54,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:09:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:32,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:11:21,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:21,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34422 states to 20218 states and 34422 transitions. [2023-12-02 22:11:21,655 INFO L276 IsEmpty]: Start isEmpty. Operand 20218 states and 34422 transitions. [2023-12-02 22:11:22,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10090 [2023-12-02 22:11:22,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:22,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:51,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:11:52,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:52,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34427 states to 20221 states and 34427 transitions. [2023-12-02 22:11:52,961 INFO L276 IsEmpty]: Start isEmpty. Operand 20221 states and 34427 transitions. [2023-12-02 22:11:53,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10091 [2023-12-02 22:11:53,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:53,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:18,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:12:19,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:19,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34434 states to 20225 states and 34434 transitions. [2023-12-02 22:12:19,959 INFO L276 IsEmpty]: Start isEmpty. Operand 20225 states and 34434 transitions. [2023-12-02 22:12:20,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10092 [2023-12-02 22:12:20,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:20,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:46,140 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:12:47,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:47,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34435 states to 20226 states and 34435 transitions. [2023-12-02 22:12:47,296 INFO L276 IsEmpty]: Start isEmpty. Operand 20226 states and 34435 transitions. [2023-12-02 22:12:47,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10096 [2023-12-02 22:12:47,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:47,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:20,404 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:13:21,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:21,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34448 states to 20235 states and 34448 transitions. [2023-12-02 22:13:21,675 INFO L276 IsEmpty]: Start isEmpty. Operand 20235 states and 34448 transitions. [2023-12-02 22:13:22,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10097 [2023-12-02 22:13:22,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:22,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:13:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:51,738 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:13:53,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:53,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34463 states to 20245 states and 34463 transitions. [2023-12-02 22:13:53,042 INFO L276 IsEmpty]: Start isEmpty. Operand 20245 states and 34463 transitions. [2023-12-02 22:13:53,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10098 [2023-12-02 22:13:53,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:53,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:13:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:22,039 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:14:23,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:23,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34464 states to 20246 states and 34464 transitions. [2023-12-02 22:14:23,061 INFO L276 IsEmpty]: Start isEmpty. Operand 20246 states and 34464 transitions. [2023-12-02 22:14:23,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10099 [2023-12-02 22:14:23,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:23,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:14:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:49,386 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:14:50,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:50,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34482 states to 20258 states and 34482 transitions. [2023-12-02 22:14:50,892 INFO L276 IsEmpty]: Start isEmpty. Operand 20258 states and 34482 transitions. [2023-12-02 22:14:51,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10101 [2023-12-02 22:14:51,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:51,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:14:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:23,854 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:15:25,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:25,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34503 states to 20272 states and 34503 transitions. [2023-12-02 22:15:25,627 INFO L276 IsEmpty]: Start isEmpty. Operand 20272 states and 34503 transitions. [2023-12-02 22:15:26,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10102 [2023-12-02 22:15:26,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:26,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:15:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:52,079 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:15:53,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:53,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34520 states to 20284 states and 34520 transitions. [2023-12-02 22:15:53,578 INFO L276 IsEmpty]: Start isEmpty. Operand 20284 states and 34520 transitions. [2023-12-02 22:15:54,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10104 [2023-12-02 22:15:54,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:54,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:15:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:18,252 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:16:19,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:16:19,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34522 states to 20286 states and 34522 transitions. [2023-12-02 22:16:19,068 INFO L276 IsEmpty]: Start isEmpty. Operand 20286 states and 34522 transitions.