./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_dekker.i --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_67581f8c-651c-4bc1-8638-4406a86e7691/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67581f8c-651c-4bc1-8638-4406a86e7691/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_67581f8c-651c-4bc1-8638-4406a86e7691/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67581f8c-651c-4bc1-8638-4406a86e7691/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_dekker.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67581f8c-651c-4bc1-8638-4406a86e7691/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_67581f8c-651c-4bc1-8638-4406a86e7691/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 ee7ff83d9ca4f9baaadd009c98a7dd30697b6140296199117a6b05757b5b9f74 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:05:06,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:05:06,560 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67581f8c-651c-4bc1-8638-4406a86e7691/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:05:06,565 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:05:06,566 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:05:06,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:05:06,593 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:05:06,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:05:06,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:05:06,595 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:05:06,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:05:06,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:05:06,597 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:05:06,598 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:05:06,599 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:05:06,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:05:06,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:05:06,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:05:06,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:05:06,602 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:05:06,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:05:06,605 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:05:06,606 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:05:06,606 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:05:06,607 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:05:06,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:05:06,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:06,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:05:06,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:05:06,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:05:06,611 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:05:06,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:05:06,612 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:05:06,613 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_67581f8c-651c-4bc1-8638-4406a86e7691/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67581f8c-651c-4bc1-8638-4406a86e7691/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee7ff83d9ca4f9baaadd009c98a7dd30697b6140296199117a6b05757b5b9f74 [2023-11-19 03:05:06,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:05:07,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:05:07,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:05:07,019 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:05:07,020 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:05:07,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67581f8c-651c-4bc1-8638-4406a86e7691/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/seq-pthread/cs_dekker.i [2023-11-19 03:05:10,156 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:05:10,504 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:05:10,505 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67581f8c-651c-4bc1-8638-4406a86e7691/sv-benchmarks/c/seq-pthread/cs_dekker.i [2023-11-19 03:05:10,530 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67581f8c-651c-4bc1-8638-4406a86e7691/bin/ukojak-verify-G8NBE6pJGL/data/f603da01b/ec6e285a95124a22ac3e9cc26262d666/FLAG566f72745 [2023-11-19 03:05:10,744 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67581f8c-651c-4bc1-8638-4406a86e7691/bin/ukojak-verify-G8NBE6pJGL/data/f603da01b/ec6e285a95124a22ac3e9cc26262d666 [2023-11-19 03:05:10,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:05:10,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:05:10,750 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:10,750 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:05:10,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:05:10,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:10" (1/1) ... [2023-11-19 03:05:10,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ba28a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:10, skipping insertion in model container [2023-11-19 03:05:10,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:10" (1/1) ... [2023-11-19 03:05:10,814 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:05:11,243 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_67581f8c-651c-4bc1-8638-4406a86e7691/sv-benchmarks/c/seq-pthread/cs_dekker.i[23603,23616] [2023-11-19 03:05:11,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:11,451 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:05:11,499 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_67581f8c-651c-4bc1-8638-4406a86e7691/sv-benchmarks/c/seq-pthread/cs_dekker.i[23603,23616] [2023-11-19 03:05:11,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:11,642 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:05:11,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:11 WrapperNode [2023-11-19 03:05:11,643 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:11,644 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:11,644 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:05:11,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:05:11,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:11" (1/1) ... [2023-11-19 03:05:11,696 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:11" (1/1) ... [2023-11-19 03:05:11,763 INFO L138 Inliner]: procedures = 145, calls = 300, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 455 [2023-11-19 03:05:11,764 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:11,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:05:11,765 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:05:11,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:05:11,775 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:11" (1/1) ... [2023-11-19 03:05:11,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:11" (1/1) ... [2023-11-19 03:05:11,782 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:11" (1/1) ... [2023-11-19 03:05:11,783 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:11" (1/1) ... [2023-11-19 03:05:11,827 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:11" (1/1) ... [2023-11-19 03:05:11,834 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:11" (1/1) ... [2023-11-19 03:05:11,843 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:11" (1/1) ... [2023-11-19 03:05:11,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:11" (1/1) ... [2023-11-19 03:05:11,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:05:11,856 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:05:11,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:05:11,857 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:05:11,858 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:11" (1/1) ... [2023-11-19 03:05:11,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:11,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67581f8c-651c-4bc1-8638-4406a86e7691/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:05:11,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67581f8c-651c-4bc1-8638-4406a86e7691/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:05:11,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67581f8c-651c-4bc1-8638-4406a86e7691/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:05:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:05:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:05:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:05:11,939 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:05:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:05:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:05:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:05:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-19 03:05:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-19 03:05:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:05:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-19 03:05:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-19 03:05:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-19 03:05:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-19 03:05:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:05:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:05:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-19 03:05:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-19 03:05:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:05:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:05:11,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:05:12,126 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:05:12,128 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:05:23,272 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:05:23,425 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:05:23,425 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:05:23,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:23 BoogieIcfgContainer [2023-11-19 03:05:23,433 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:05:23,435 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:05:23,435 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:05:23,446 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:05:23,446 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:23" (1/1) ... [2023-11-19 03:05:23,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:05:23,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:23,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 99 states and 142 transitions. [2023-11-19 03:05:23,535 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 142 transitions. [2023-11-19 03:05:23,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-19 03:05:23,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:23,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:24,474 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-19 03:05:34,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 03:05:34,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:34,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 100 states and 143 transitions. [2023-11-19 03:05:34,641 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2023-11-19 03:05:34,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-19 03:05:34,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:34,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:35,223 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-19 03:05:35,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:35,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 101 states and 145 transitions. [2023-11-19 03:05:35,318 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 145 transitions. [2023-11-19 03:05:35,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-19 03:05:35,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:35,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:35,826 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-19 03:05:35,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:35,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 102 states and 147 transitions. [2023-11-19 03:05:35,944 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 147 transitions. [2023-11-19 03:05:35,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-19 03:05:35,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:35,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:36,453 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2023-11-19 03:05:46,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 03:05:47,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:47,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 106 states and 155 transitions. [2023-11-19 03:05:47,027 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 155 transitions. [2023-11-19 03:05:47,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-19 03:05:47,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:47,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:47,638 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2023-11-19 03:05:47,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:47,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 107 states and 155 transitions. [2023-11-19 03:05:47,903 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2023-11-19 03:05:47,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-19 03:05:47,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:47,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:48,569 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2023-11-19 03:05:59,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 03:05:59,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:59,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 111 states and 161 transitions. [2023-11-19 03:05:59,610 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 161 transitions. [2023-11-19 03:05:59,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 03:05:59,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:59,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:00,248 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2023-11-19 03:06:00,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:00,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 112 states and 161 transitions. [2023-11-19 03:06:00,570 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 161 transitions. [2023-11-19 03:06:00,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-19 03:06:00,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:00,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:01,173 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2023-11-19 03:06:01,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:01,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 113 states and 161 transitions. [2023-11-19 03:06:01,415 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 161 transitions. [2023-11-19 03:06:01,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-19 03:06:01,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:01,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:02,503 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked.