./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_szymanski.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_50d416d9-9fcc-43ba-ba4c-a42cef43c5cc/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d416d9-9fcc-43ba-ba4c-a42cef43c5cc/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_50d416d9-9fcc-43ba-ba4c-a42cef43c5cc/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d416d9-9fcc-43ba-ba4c-a42cef43c5cc/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d416d9-9fcc-43ba-ba4c-a42cef43c5cc/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_50d416d9-9fcc-43ba-ba4c-a42cef43c5cc/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 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:41:10,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:41:10,650 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d416d9-9fcc-43ba-ba4c-a42cef43c5cc/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:41:10,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:41:10,655 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:41:10,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:41:10,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:41:10,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:41:10,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:41:10,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:41:10,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:41:10,685 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:41:10,685 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:41:10,686 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:41:10,687 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:41:10,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:41:10,688 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:41:10,688 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:41:10,689 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:41:10,690 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:41:10,690 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:41:10,691 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:41:10,692 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:41:10,692 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:41:10,693 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:41:10,694 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:41:10,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:10,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:41:10,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:41:10,696 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:41:10,696 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:41:10,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:41:10,697 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:41:10,698 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_50d416d9-9fcc-43ba-ba4c-a42cef43c5cc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d416d9-9fcc-43ba-ba4c-a42cef43c5cc/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 [2023-11-19 03:41:10,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:41:10,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:41:10,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:41:10,997 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:41:10,998 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:41:10,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d416d9-9fcc-43ba-ba4c-a42cef43c5cc/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/seq-pthread/cs_szymanski.i [2023-11-19 03:41:14,182 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:41:14,544 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:41:14,546 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d416d9-9fcc-43ba-ba4c-a42cef43c5cc/sv-benchmarks/c/seq-pthread/cs_szymanski.i [2023-11-19 03:41:14,565 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d416d9-9fcc-43ba-ba4c-a42cef43c5cc/bin/ukojak-verify-G8NBE6pJGL/data/c012e25e3/05767ab0159d471194be57d1babfb5d3/FLAGa8a56c87e [2023-11-19 03:41:14,580 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d416d9-9fcc-43ba-ba4c-a42cef43c5cc/bin/ukojak-verify-G8NBE6pJGL/data/c012e25e3/05767ab0159d471194be57d1babfb5d3 [2023-11-19 03:41:14,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:41:14,584 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:41:14,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:14,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:41:14,592 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:41:14,593 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:14" (1/1) ... [2023-11-19 03:41:14,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32c93d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:14, skipping insertion in model container [2023-11-19 03:41:14,594 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:14" (1/1) ... [2023-11-19 03:41:14,659 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:41:14,970 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_50d416d9-9fcc-43ba-ba4c-a42cef43c5cc/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2023-11-19 03:41:15,078 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:15,105 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:41:15,161 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_50d416d9-9fcc-43ba-ba4c-a42cef43c5cc/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2023-11-19 03:41:15,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:15,309 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:41:15,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:15 WrapperNode [2023-11-19 03:41:15,313 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:15,314 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:15,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:41:15,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:41:15,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:15" (1/1) ... [2023-11-19 03:41:15,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:15" (1/1) ... [2023-11-19 03:41:15,408 INFO L138 Inliner]: procedures = 145, calls = 289, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 401 [2023-11-19 03:41:15,409 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:15,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:41:15,410 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:41:15,410 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:41:15,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:15" (1/1) ... [2023-11-19 03:41:15,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:15" (1/1) ... [2023-11-19 03:41:15,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:15" (1/1) ... [2023-11-19 03:41:15,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:15" (1/1) ... [2023-11-19 03:41:15,461 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:15" (1/1) ... [2023-11-19 03:41:15,466 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:15" (1/1) ... [2023-11-19 03:41:15,470 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:15" (1/1) ... [2023-11-19 03:41:15,474 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:15" (1/1) ... [2023-11-19 03:41:15,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:41:15,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:41:15,482 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:41:15,482 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:41:15,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:15" (1/1) ... [2023-11-19 03:41:15,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:15,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d416d9-9fcc-43ba-ba4c-a42cef43c5cc/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:41:15,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d416d9-9fcc-43ba-ba4c-a42cef43c5cc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:41:15,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d416d9-9fcc-43ba-ba4c-a42cef43c5cc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:41:15,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:41:15,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:41:15,583 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:41:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:41:15,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:41:15,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:41:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:41:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-19 03:41:15,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-19 03:41:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:41:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-19 03:41:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-19 03:41:15,587 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-19 03:41:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-19 03:41:15,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:41:15,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:41:15,589 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-19 03:41:15,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-19 03:41:15,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:41:15,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:41:15,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:41:15,782 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:41:15,785 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:41:26,641 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:41:26,778 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:41:26,779 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:41:26,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:26 BoogieIcfgContainer [2023-11-19 03:41:26,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:41:26,785 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:41:26,785 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:41:26,795 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:41:26,796 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:26" (1/1) ... [2023-11-19 03:41:26,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:41:26,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:26,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 93 states and 132 transitions. [2023-11-19 03:41:26,879 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2023-11-19 03:41:26,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 03:41:26,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:26,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:27,885 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-19 03:41:37,967 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 03:41:38,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:38,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 94 states and 133 transitions. [2023-11-19 03:41:38,057 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 133 transitions. [2023-11-19 03:41:38,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 03:41:38,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:38,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:38,500 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-19 03:41:38,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:38,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 95 states and 135 transitions. [2023-11-19 03:41:38,588 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 135 transitions. [2023-11-19 03:41:38,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-19 03:41:38,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:38,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:39,090 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-19 03:41:39,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:39,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 96 states and 137 transitions. [2023-11-19 03:41:39,207 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 137 transitions. [2023-11-19 03:41:39,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 03:41:39,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:39,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:39,675 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2023-11-19 03:41:50,242 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 03:41:50,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:50,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 100 states and 145 transitions. [2023-11-19 03:41:50,314 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 145 transitions. [2023-11-19 03:41:50,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-19 03:41:50,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:50,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:50,913 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-19 03:41:51,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:51,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 101 states and 145 transitions. [2023-11-19 03:41:51,141 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 145 transitions. [2023-11-19 03:41:51,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 03:41:51,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:51,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:51,741 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2023-11-19 03:42:02,604 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 03:42:02,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:02,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 105 states and 151 transitions. [2023-11-19 03:42:02,672 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2023-11-19 03:42:02,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-19 03:42:02,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:02,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:03,166 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2023-11-19 03:42:03,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:03,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 106 states and 151 transitions. [2023-11-19 03:42:03,427 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 151 transitions. [2023-11-19 03:42:03,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 03:42:03,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:03,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:03,941 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2023-11-19 03:42:04,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:04,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 107 states and 151 transitions. [2023-11-19 03:42:04,188 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 151 transitions. [2023-11-19 03:42:04,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 03:42:04,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:04,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:04,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:05,203 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked.