./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/sll2n_insert_unequal.i --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_8e33cb80-16fe-46c8-8095-a8c5335c02bc/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e33cb80-16fe-46c8-8095-a8c5335c02bc/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_8e33cb80-16fe-46c8-8095-a8c5335c02bc/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e33cb80-16fe-46c8-8095-a8c5335c02bc/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/sll2n_insert_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e33cb80-16fe-46c8-8095-a8c5335c02bc/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_8e33cb80-16fe-46c8-8095-a8c5335c02bc/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 383c6933c6ab916f651364224af1d774f30e162ad506fd2f28fe7f76c4487ba3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:23,030 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:23,094 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e33cb80-16fe-46c8-8095-a8c5335c02bc/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:11:23,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:11:23,099 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:11:23,121 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:23,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:11:23,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:11:23,124 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:23,124 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:23,125 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:23,126 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:11:23,126 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:11:23,127 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:11:23,128 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:11:23,128 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:23,129 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:11:23,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:23,130 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:11:23,130 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:11:23,131 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:11:23,132 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:23,132 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:23,133 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:23,133 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:23,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:23,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:23,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:23,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:23,136 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:11:23,136 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:11:23,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:11:23,137 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:11:23,137 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_8e33cb80-16fe-46c8-8095-a8c5335c02bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e33cb80-16fe-46c8-8095-a8c5335c02bc/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 383c6933c6ab916f651364224af1d774f30e162ad506fd2f28fe7f76c4487ba3 [2023-11-24 22:11:23,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:23,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:23,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:23,388 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:23,388 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:23,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e33cb80-16fe-46c8-8095-a8c5335c02bc/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/list-simple/sll2n_insert_unequal.i [2023-11-24 22:11:26,606 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:11:26,930 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:11:26,931 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e33cb80-16fe-46c8-8095-a8c5335c02bc/sv-benchmarks/c/list-simple/sll2n_insert_unequal.i [2023-11-24 22:11:26,961 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e33cb80-16fe-46c8-8095-a8c5335c02bc/bin/ukojak-verify-afCqCEvfdi/data/ed565ead9/f058de9085db444fb7518d0a07000360/FLAG0f705d43e [2023-11-24 22:11:26,986 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e33cb80-16fe-46c8-8095-a8c5335c02bc/bin/ukojak-verify-afCqCEvfdi/data/ed565ead9/f058de9085db444fb7518d0a07000360 [2023-11-24 22:11:26,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:11:26,997 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:11:27,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:27,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:11:27,007 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:11:27,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:26" (1/1) ... [2023-11-24 22:11:27,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c5f8b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:27, skipping insertion in model container [2023-11-24 22:11:27,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:26" (1/1) ... [2023-11-24 22:11:27,087 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:11:27,495 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_8e33cb80-16fe-46c8-8095-a8c5335c02bc/sv-benchmarks/c/list-simple/sll2n_insert_unequal.i[24620,24633] [2023-11-24 22:11:27,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:27,512 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:11:27,568 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_8e33cb80-16fe-46c8-8095-a8c5335c02bc/sv-benchmarks/c/list-simple/sll2n_insert_unequal.i[24620,24633] [2023-11-24 22:11:27,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:27,619 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:11:27,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:27 WrapperNode [2023-11-24 22:11:27,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:27,622 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:27,622 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:11:27,623 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:11:27,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:27" (1/1) ... [2023-11-24 22:11:27,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:27" (1/1) ... [2023-11-24 22:11:27,710 INFO L138 Inliner]: procedures = 128, calls = 36, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 151 [2023-11-24 22:11:27,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:27,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:11:27,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:11:27,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:11:27,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:27" (1/1) ... [2023-11-24 22:11:27,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:27" (1/1) ... [2023-11-24 22:11:27,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:27" (1/1) ... [2023-11-24 22:11:27,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:27" (1/1) ... [2023-11-24 22:11:27,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:27" (1/1) ... [2023-11-24 22:11:27,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:27" (1/1) ... [2023-11-24 22:11:27,758 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:27" (1/1) ... [2023-11-24 22:11:27,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:27" (1/1) ... [2023-11-24 22:11:27,777 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:11:27,779 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:11:27,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:11:27,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:11:27,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:27" (1/1) ... [2023-11-24 22:11:27,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:27,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e33cb80-16fe-46c8-8095-a8c5335c02bc/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:11:27,823 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e33cb80-16fe-46c8-8095-a8c5335c02bc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:11:27,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e33cb80-16fe-46c8-8095-a8c5335c02bc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:11:27,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:11:27,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:11:27,867 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2023-11-24 22:11:27,867 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2023-11-24 22:11:27,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:11:27,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:11:27,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:11:27,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:11:27,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:11:27,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:11:27,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:11:27,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:11:27,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:11:27,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:11:28,019 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:11:28,021 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:28,312 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:28,507 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:11:28,508 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-24 22:11:28,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:28 BoogieIcfgContainer [2023-11-24 22:11:28,510 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:11:28,511 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:11:28,511 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:11:28,521 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:11:28,521 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:28" (1/1) ... [2023-11-24 22:11:28,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:11:28,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:28,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-11-24 22:11:28,600 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-24 22:11:28,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:11:28,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:28,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:29,090 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 22:11:29,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:29,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2023-11-24 22:11:29,158 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2023-11-24 22:11:29,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:11:29,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:29,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:29,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:11:29,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:29,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-24 22:11:29,469 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-24 22:11:29,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:11:29,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:29,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:29,995 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:11:30,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:30,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-11-24 22:11:30,423 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-11-24 22:11:30,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:11:30,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:30,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:33,257 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:11:37,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:37,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2023-11-24 22:11:37,985 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2023-11-24 22:11:37,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:11:37,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:37,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:40,669 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:11:45,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:45,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 53 states and 99 transitions. [2023-11-24 22:11:45,933 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 99 transitions. [2023-11-24 22:11:45,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:11:45,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:45,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:47,640 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:11:50,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:50,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 56 states and 111 transitions. [2023-11-24 22:11:50,709 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 111 transitions. [2023-11-24 22:11:50,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:11:50,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:50,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:53,343 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:11:57,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:57,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 60 states and 133 transitions. [2023-11-24 22:11:57,511 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 133 transitions. [2023-11-24 22:11:57,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:11:57,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:57,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:58,337 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:12:00,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:00,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 62 states and 147 transitions. [2023-11-24 22:12:00,508 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 147 transitions. [2023-11-24 22:12:00,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:12:00,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:00,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:01,182 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:12:01,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:01,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 62 states and 147 transitions. [2023-11-24 22:12:01,239 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 147 transitions. [2023-11-24 22:12:01,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:12:01,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:01,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:03,175 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:12:04,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:04,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 62 states and 147 transitions. [2023-11-24 22:12:04,758 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 147 transitions. [2023-11-24 22:12:04,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:12:04,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:04,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:05,333 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:12:05,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:05,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 62 states and 147 transitions. [2023-11-24 22:12:05,386 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 147 transitions. [2023-11-24 22:12:05,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:12:05,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:05,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:05,960 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:12:06,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:06,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 62 states and 147 transitions. [2023-11-24 22:12:06,010 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 147 transitions. [2023-11-24 22:12:06,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:12:06,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:06,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:06,660 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:12:06,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:06,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 62 states and 147 transitions. [2023-11-24 22:12:06,716 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 147 transitions. [2023-11-24 22:12:06,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:12:06,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:06,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:08,651 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:12:09,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:09,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 62 states and 147 transitions. [2023-11-24 22:12:09,203 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 147 transitions. [2023-11-24 22:12:09,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:12:09,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:09,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:09,715 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:12:09,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:09,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 62 states and 147 transitions. [2023-11-24 22:12:09,760 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 147 transitions. [2023-11-24 22:12:09,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:12:09,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:09,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:10,801 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:12:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:10,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 62 states and 147 transitions. [2023-11-24 22:12:10,844 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 147 transitions. [2023-11-24 22:12:10,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:12:10,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:10,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:11,482 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:12:12,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:12,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 63 states and 149 transitions. [2023-11-24 22:12:12,406 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 149 transitions. [2023-11-24 22:12:12,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:12:12,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:12,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat