./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label37.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_d2b2785a-e342-45a3-b191-20b7ff9daaea/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b2785a-e342-45a3-b191-20b7ff9daaea/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_d2b2785a-e342-45a3-b191-20b7ff9daaea/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b2785a-e342-45a3-b191-20b7ff9daaea/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label37.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b2785a-e342-45a3-b191-20b7ff9daaea/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_d2b2785a-e342-45a3-b191-20b7ff9daaea/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 67ba03b1786c728dbaddab71ca980ce001d9d1111eb047fe11f8793d1ddf2711 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:19:44,294 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:19:44,357 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b2785a-e342-45a3-b191-20b7ff9daaea/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:19:44,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:19:44,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:19:44,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:19:44,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:19:44,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:19:44,384 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:19:44,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:19:44,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:19:44,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:19:44,387 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:19:44,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:19:44,388 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:19:44,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:19:44,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:19:44,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:19:44,390 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:19:44,390 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:19:44,391 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:19:44,391 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:19:44,392 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:19:44,392 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:19:44,393 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:19:44,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:19:44,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:19:44,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:19:44,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:19:44,395 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:19:44,395 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:19:44,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:19:44,396 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:19:44,396 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_d2b2785a-e342-45a3-b191-20b7ff9daaea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b2785a-e342-45a3-b191-20b7ff9daaea/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67ba03b1786c728dbaddab71ca980ce001d9d1111eb047fe11f8793d1ddf2711 [2023-12-03 03:19:44,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:19:44,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:19:44,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:19:44,665 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:19:44,665 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:19:44,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b2785a-e342-45a3-b191-20b7ff9daaea/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-rers2012/Problem14_label37.c [2023-12-03 03:19:47,395 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:19:47,647 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:19:47,648 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b2785a-e342-45a3-b191-20b7ff9daaea/sv-benchmarks/c/eca-rers2012/Problem14_label37.c [2023-12-03 03:19:47,663 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b2785a-e342-45a3-b191-20b7ff9daaea/bin/ukojak-verify-Qdu7aM0XO9/data/46fac3d69/95b9aafe5b9c4fe295d317de5c0dddca/FLAGcf4301fdb [2023-12-03 03:19:47,675 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b2785a-e342-45a3-b191-20b7ff9daaea/bin/ukojak-verify-Qdu7aM0XO9/data/46fac3d69/95b9aafe5b9c4fe295d317de5c0dddca [2023-12-03 03:19:47,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:19:47,679 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:19:47,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:19:47,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:19:47,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:19:47,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:19:47" (1/1) ... [2023-12-03 03:19:47,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@531249d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:47, skipping insertion in model container [2023-12-03 03:19:47,687 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:19:47" (1/1) ... [2023-12-03 03:19:47,742 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:19:47,883 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_d2b2785a-e342-45a3-b191-20b7ff9daaea/sv-benchmarks/c/eca-rers2012/Problem14_label37.c[2094,2107] [2023-12-03 03:19:48,056 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:19:48,067 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:19:48,084 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_d2b2785a-e342-45a3-b191-20b7ff9daaea/sv-benchmarks/c/eca-rers2012/Problem14_label37.c[2094,2107] [2023-12-03 03:19:48,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:19:48,201 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:19:48,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:48 WrapperNode [2023-12-03 03:19:48,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:19:48,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:19:48,203 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:19:48,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:19:48,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:48" (1/1) ... [2023-12-03 03:19:48,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:48" (1/1) ... [2023-12-03 03:19:48,298 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 859 [2023-12-03 03:19:48,299 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:19:48,300 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:19:48,300 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:19:48,300 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:19:48,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:48" (1/1) ... [2023-12-03 03:19:48,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:48" (1/1) ... [2023-12-03 03:19:48,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:48" (1/1) ... [2023-12-03 03:19:48,317 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:48" (1/1) ... [2023-12-03 03:19:48,378 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:48" (1/1) ... [2023-12-03 03:19:48,410 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:48" (1/1) ... [2023-12-03 03:19:48,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:48" (1/1) ... [2023-12-03 03:19:48,423 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:48" (1/1) ... [2023-12-03 03:19:48,433 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:19:48,434 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:19:48,434 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:19:48,434 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:19:48,435 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:48" (1/1) ... [2023-12-03 03:19:48,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:19:48,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b2785a-e342-45a3-b191-20b7ff9daaea/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:19:48,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b2785a-e342-45a3-b191-20b7ff9daaea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:19:48,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b2785a-e342-45a3-b191-20b7ff9daaea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:19:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:19:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:19:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:19:48,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:19:48,572 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:19:48,574 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:19:49,688 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:19:53,603 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:19:53,603 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:19:53,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:19:53 BoogieIcfgContainer [2023-12-03 03:19:53,605 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:19:53,606 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:19:53,606 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:19:53,614 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:19:53,614 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:19:53" (1/1) ... [2023-12-03 03:19:53,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:19:53,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:19:53,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-12-03 03:19:53,668 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-12-03 03:19:53,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:19:53,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:19:53,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:19:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:19:53,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:19:53,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:19:53,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2023-12-03 03:19:53,950 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-12-03 03:19:53,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:19:53,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:19:53,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:19:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:20:13,451 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:20:13,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:20:13,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2023-12-03 03:20:13,765 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2023-12-03 03:20:13,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:20:13,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:20:13,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:20:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:20:51,581 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:20:52,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:20:52,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2023-12-03 03:20:52,036 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2023-12-03 03:20:52,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:20:52,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:20:52,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:20:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:21:30,006 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:21:30,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:21:30,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2023-12-03 03:21:30,195 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-12-03 03:21:30,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:21:30,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:21:30,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:21:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:38,781 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:22:39,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:39,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 37 states and 65 transitions. [2023-12-03 03:22:39,541 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 65 transitions. [2023-12-03 03:22:39,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:22:39,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:39,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:22:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:47,479 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:23:47,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:47,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2023-12-03 03:23:47,794 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2023-12-03 03:23:47,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:23:47,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:47,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:23:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:03,761 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:26:05,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:05,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 51 states and 98 transitions. [2023-12-03 03:26:05,730 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 98 transitions. [2023-12-03 03:26:05,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:05,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:05,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:26:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:26,292 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:30:27,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:27,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 108 transitions. [2023-12-03 03:30:27,283 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 108 transitions. [2023-12-03 03:30:27,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 03:30:27,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:27,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:30:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat