./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label35.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_0c4897a4-aa21-44b4-a51e-8b0e706e7357/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4897a4-aa21-44b4-a51e-8b0e706e7357/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_0c4897a4-aa21-44b4-a51e-8b0e706e7357/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4897a4-aa21-44b4-a51e-8b0e706e7357/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label35.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4897a4-aa21-44b4-a51e-8b0e706e7357/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_0c4897a4-aa21-44b4-a51e-8b0e706e7357/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 00a3c697369565c764a629399f75f0a57cc9f6d9ed54e92f480d6927d7ff14f0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:44:53,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:44:53,371 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4897a4-aa21-44b4-a51e-8b0e706e7357/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:44:53,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:44:53,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:44:53,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:44:53,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:44:53,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:44:53,398 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:44:53,399 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:44:53,399 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:44:53,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:44:53,400 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:44:53,401 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:44:53,401 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:44:53,402 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:44:53,402 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:44:53,403 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:44:53,403 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:44:53,404 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:44:53,404 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:44:53,405 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:44:53,406 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:44:53,406 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:44:53,407 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:44:53,407 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:44:53,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:44:53,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:44:53,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:44:53,409 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:44:53,409 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:44:53,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:44:53,410 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:44:53,410 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_0c4897a4-aa21-44b4-a51e-8b0e706e7357/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4897a4-aa21-44b4-a51e-8b0e706e7357/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00a3c697369565c764a629399f75f0a57cc9f6d9ed54e92f480d6927d7ff14f0 [2023-12-02 23:44:53,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:44:53,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:44:53,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:44:53,650 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:44:53,650 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:44:53,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4897a4-aa21-44b4-a51e-8b0e706e7357/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-rers2012/Problem16_label35.c [2023-12-02 23:44:56,354 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:44:56,683 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:44:56,683 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4897a4-aa21-44b4-a51e-8b0e706e7357/sv-benchmarks/c/eca-rers2012/Problem16_label35.c [2023-12-02 23:44:56,702 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4897a4-aa21-44b4-a51e-8b0e706e7357/bin/ukojak-verify-Qdu7aM0XO9/data/ad6467a16/ab226d312b43498d9350097d34577c3d/FLAG64aa1afaf [2023-12-02 23:44:56,716 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4897a4-aa21-44b4-a51e-8b0e706e7357/bin/ukojak-verify-Qdu7aM0XO9/data/ad6467a16/ab226d312b43498d9350097d34577c3d [2023-12-02 23:44:56,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:44:56,721 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:44:56,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:44:56,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:44:56,727 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:44:56,728 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:44:56" (1/1) ... [2023-12-02 23:44:56,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4668cd7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:56, skipping insertion in model container [2023-12-02 23:44:56,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:44:56" (1/1) ... [2023-12-02 23:44:56,800 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:44:56,986 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_0c4897a4-aa21-44b4-a51e-8b0e706e7357/sv-benchmarks/c/eca-rers2012/Problem16_label35.c[4426,4439] [2023-12-02 23:44:57,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:44:57,363 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:44:57,400 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_0c4897a4-aa21-44b4-a51e-8b0e706e7357/sv-benchmarks/c/eca-rers2012/Problem16_label35.c[4426,4439] [2023-12-02 23:44:57,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:44:57,604 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:44:57,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:57 WrapperNode [2023-12-02 23:44:57,605 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:44:57,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:44:57,606 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:44:57,606 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:44:57,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:57" (1/1) ... [2023-12-02 23:44:57,643 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:57" (1/1) ... [2023-12-02 23:44:57,759 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1769 [2023-12-02 23:44:57,759 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:44:57,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:44:57,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:44:57,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:44:57,770 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:57" (1/1) ... [2023-12-02 23:44:57,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:57" (1/1) ... [2023-12-02 23:44:57,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:57" (1/1) ... [2023-12-02 23:44:57,807 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:57" (1/1) ... [2023-12-02 23:44:57,861 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:57" (1/1) ... [2023-12-02 23:44:57,874 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:57" (1/1) ... [2023-12-02 23:44:57,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:57" (1/1) ... [2023-12-02 23:44:57,901 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:57" (1/1) ... [2023-12-02 23:44:57,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:44:57,920 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:44:57,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:44:57,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:44:57,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:57" (1/1) ... [2023-12-02 23:44:57,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:44:57,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4897a4-aa21-44b4-a51e-8b0e706e7357/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:44:57,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4897a4-aa21-44b4-a51e-8b0e706e7357/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:44:57,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4897a4-aa21-44b4-a51e-8b0e706e7357/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:44:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:44:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:44:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:44:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:44:58,054 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:44:58,057 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:45:00,114 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:45:14,508 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:45:14,508 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:45:14,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:45:14 BoogieIcfgContainer [2023-12-02 23:45:14,510 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:45:14,510 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:45:14,510 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:45:14,517 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:45:14,518 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:45:14" (1/1) ... [2023-12-02 23:45:14,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:45:14,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:14,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-12-02 23:45:14,566 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-12-02 23:45:14,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 23:45:14,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:14,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:14,818 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 23:45:15,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:15,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2023-12-02 23:45:15,335 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2023-12-02 23:45:15,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:45:15,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:15,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:27,852 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:47:38,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:47:38,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:38,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2023-12-02 23:47:38,959 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2023-12-02 23:47:38,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:47:38,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:38,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:47:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:36,502 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:39,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:52:39,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:39,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 47 transitions. [2023-12-02 23:52:39,705 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2023-12-02 23:52:39,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:52:39,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:39,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat