./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/rewrev.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_d304a283-adc8-4434-9be8-684c32ebc02e/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d304a283-adc8-4434-9be8-684c32ebc02e/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d304a283-adc8-4434-9be8-684c32ebc02e/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d304a283-adc8-4434-9be8-684c32ebc02e/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/rewrev.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d304a283-adc8-4434-9be8-684c32ebc02e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d304a283-adc8-4434-9be8-684c32ebc02e/bin/ukojak-verify-afCqCEvfdi --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 40cb4a1cdff0a4e27345697e0d771f8cc035da7ed4f2bd40d71a1d68f6e99f3f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:01:08,428 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:08,503 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d304a283-adc8-4434-9be8-684c32ebc02e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:01:08,508 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:01:08,509 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:01:08,552 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:08,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:01:08,554 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:01:08,555 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:08,564 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:08,564 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:08,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:01:08,565 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:01:08,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:01:08,567 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:01:08,568 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:08,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:01:08,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:08,569 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:01:08,569 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:01:08,570 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:01:08,570 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:08,571 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:08,571 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:08,572 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:08,572 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:08,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:08,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:08,573 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:08,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:01:08,575 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:01:08,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:01:08,575 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:01:08,575 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_d304a283-adc8-4434-9be8-684c32ebc02e/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d304a283-adc8-4434-9be8-684c32ebc02e/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40cb4a1cdff0a4e27345697e0d771f8cc035da7ed4f2bd40d71a1d68f6e99f3f [2023-11-24 23:01:08,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:08,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:08,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:08,973 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:08,973 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:08,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d304a283-adc8-4434-9be8-684c32ebc02e/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/array-tiling/rewrev.c [2023-11-24 23:01:12,099 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:12,337 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:12,338 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d304a283-adc8-4434-9be8-684c32ebc02e/sv-benchmarks/c/array-tiling/rewrev.c [2023-11-24 23:01:12,347 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d304a283-adc8-4434-9be8-684c32ebc02e/bin/ukojak-verify-afCqCEvfdi/data/a479f9660/b723f65680e14694b34996ca8b02d36f/FLAGf10870341 [2023-11-24 23:01:12,365 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d304a283-adc8-4434-9be8-684c32ebc02e/bin/ukojak-verify-afCqCEvfdi/data/a479f9660/b723f65680e14694b34996ca8b02d36f [2023-11-24 23:01:12,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:12,374 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:12,379 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:12,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:12,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:12,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a651e49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12, skipping insertion in model container [2023-11-24 23:01:12,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,415 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:12,609 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_d304a283-adc8-4434-9be8-684c32ebc02e/sv-benchmarks/c/array-tiling/rewrev.c[397,410] [2023-11-24 23:01:12,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:12,642 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:12,656 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_d304a283-adc8-4434-9be8-684c32ebc02e/sv-benchmarks/c/array-tiling/rewrev.c[397,410] [2023-11-24 23:01:12,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:12,690 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:12,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12 WrapperNode [2023-11-24 23:01:12,691 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:12,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:12,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:12,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:12,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,731 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2023-11-24 23:01:12,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:12,732 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:12,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:12,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:12,743 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,755 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,761 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,765 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,777 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:12,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:12,781 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:12,781 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:12,782 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:12,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d304a283-adc8-4434-9be8-684c32ebc02e/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:12,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d304a283-adc8-4434-9be8-684c32ebc02e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:12,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d304a283-adc8-4434-9be8-684c32ebc02e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:01:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:01:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:01:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:12,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:12,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:01:12,996 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:12,999 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:01:13,190 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:01:13,229 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:01:13,229 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:01:13,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:13 BoogieIcfgContainer [2023-11-24 23:01:13,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:01:13,232 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:01:13,232 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:01:13,242 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:01:13,243 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:13" (1/1) ... [2023-11-24 23:01:13,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:01:13,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:13,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2023-11-24 23:01:13,305 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2023-11-24 23:01:13,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:01:13,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:13,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:13,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:13,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:13,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2023-11-24 23:01:13,693 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2023-11-24 23:01:13,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:01:13,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:13,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:13,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:13,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:13,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2023-11-24 23:01:13,955 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-11-24 23:01:13,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:01:13,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:13,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:14,793 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:15,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:15,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-24 23:01:15,375 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-24 23:01:15,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:01:15,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:15,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:15,906 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:16,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:16,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2023-11-24 23:01:16,921 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2023-11-24 23:01:16,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:01:16,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:16,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:17,270 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:20,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:20,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 50 transitions. [2023-11-24 23:01:20,087 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 50 transitions. [2023-11-24 23:01:20,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:01:20,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:20,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:21,112 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:24,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:24,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 60 transitions. [2023-11-24 23:01:24,720 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 60 transitions. [2023-11-24 23:01:24,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:01:24,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:24,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:24,908 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:25,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:25,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 35 states and 60 transitions. [2023-11-24 23:01:25,338 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2023-11-24 23:01:25,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:01:25,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:25,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:25,616 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:29,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:29,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 44 states and 78 transitions. [2023-11-24 23:01:29,486 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 78 transitions. [2023-11-24 23:01:29,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:01:29,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:29,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:29,640 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:30,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:30,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2023-11-24 23:01:30,064 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2023-11-24 23:01:30,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:01:30,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:30,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:32,095 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:36,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:36,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 49 states and 84 transitions. [2023-11-24 23:01:36,710 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2023-11-24 23:01:36,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:01:36,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:36,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:37,359 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:38,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:38,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2023-11-24 23:01:38,437 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2023-11-24 23:01:38,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:01:38,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:38,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:38,872 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:43,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:43,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 60 states and 103 transitions. [2023-11-24 23:01:43,718 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 103 transitions. [2023-11-24 23:01:43,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:01:43,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:43,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:45,542 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:53,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:53,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 70 states and 124 transitions. [2023-11-24 23:01:53,501 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 124 transitions. [2023-11-24 23:01:53,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:01:53,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:53,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:54,739 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:56,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:56,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 72 states and 126 transitions. [2023-11-24 23:01:56,569 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 126 transitions. [2023-11-24 23:01:56,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:01:56,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:56,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:57,476 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:01:58,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:58,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 69 states and 117 transitions. [2023-11-24 23:01:58,470 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 117 transitions. [2023-11-24 23:01:58,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:01:58,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:58,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:58,985 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.