./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/max.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_d33e137b-1377-41a5-9174-359d6a8a72f9/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e137b-1377-41a5-9174-359d6a8a72f9/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e137b-1377-41a5-9174-359d6a8a72f9/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e137b-1377-41a5-9174-359d6a8a72f9/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/max.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e137b-1377-41a5-9174-359d6a8a72f9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e137b-1377-41a5-9174-359d6a8a72f9/bin/ukojak-verify-ImItNfHLgk --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 97795e7b99ddd869ecccb7f865206a167342b52333873684a94abd35acf6650e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:08:16,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:08:16,617 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e137b-1377-41a5-9174-359d6a8a72f9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:08:16,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:08:16,628 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:08:16,662 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:08:16,663 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:08:16,663 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:08:16,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:08:16,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:08:16,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:08:16,665 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:08:16,666 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:08:16,667 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:08:16,669 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:08:16,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:08:16,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:08:16,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:08:16,671 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:08:16,671 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:08:16,671 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:08:16,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:08:16,675 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:08:16,677 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:08:16,678 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:08:16,678 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:08:16,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:08:16,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:08:16,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:08:16,679 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:08:16,679 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:08:16,680 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:08:16,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:08:16,681 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_d33e137b-1377-41a5-9174-359d6a8a72f9/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e137b-1377-41a5-9174-359d6a8a72f9/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97795e7b99ddd869ecccb7f865206a167342b52333873684a94abd35acf6650e [2024-11-08 22:08:16,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:08:17,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:08:17,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:08:17,016 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:08:17,017 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:08:17,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e137b-1377-41a5-9174-359d6a8a72f9/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/reducercommutativity/max.i Unable to find full path for "g++" [2024-11-08 22:08:19,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:08:19,248 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:08:19,249 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e137b-1377-41a5-9174-359d6a8a72f9/sv-benchmarks/c/reducercommutativity/max.i [2024-11-08 22:08:19,258 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e137b-1377-41a5-9174-359d6a8a72f9/bin/ukojak-verify-ImItNfHLgk/data/c5f459a21/2ba1c7ecbe17411386aefc9b67e8b17d/FLAG746039366 [2024-11-08 22:08:19,621 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e137b-1377-41a5-9174-359d6a8a72f9/bin/ukojak-verify-ImItNfHLgk/data/c5f459a21/2ba1c7ecbe17411386aefc9b67e8b17d [2024-11-08 22:08:19,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:08:19,626 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:08:19,628 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:08:19,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:08:19,635 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:08:19,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:08:19" (1/1) ... [2024-11-08 22:08:19,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe6566f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:19, skipping insertion in model container [2024-11-08 22:08:19,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:08:19" (1/1) ... [2024-11-08 22:08:19,667 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:08:19,892 WARN L250 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_d33e137b-1377-41a5-9174-359d6a8a72f9/sv-benchmarks/c/reducercommutativity/max.i[1295,1308] [2024-11-08 22:08:19,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:08:19,906 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:08:19,930 WARN L250 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_d33e137b-1377-41a5-9174-359d6a8a72f9/sv-benchmarks/c/reducercommutativity/max.i[1295,1308] [2024-11-08 22:08:19,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:08:19,956 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:08:19,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:19 WrapperNode [2024-11-08 22:08:19,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:08:19,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:08:19,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:08:19,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:08:19,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:19" (1/1) ... [2024-11-08 22:08:19,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:19" (1/1) ... [2024-11-08 22:08:19,999 INFO L138 Inliner]: procedures = 16, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 66 [2024-11-08 22:08:19,999 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:08:20,000 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:08:20,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:08:20,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:08:20,011 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:19" (1/1) ... [2024-11-08 22:08:20,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:19" (1/1) ... [2024-11-08 22:08:20,014 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:19" (1/1) ... [2024-11-08 22:08:20,015 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:19" (1/1) ... [2024-11-08 22:08:20,021 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:19" (1/1) ... [2024-11-08 22:08:20,025 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:19" (1/1) ... [2024-11-08 22:08:20,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:19" (1/1) ... [2024-11-08 22:08:20,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:19" (1/1) ... [2024-11-08 22:08:20,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:08:20,031 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:08:20,031 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:08:20,031 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:08:20,032 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:19" (1/1) ... [2024-11-08 22:08:20,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:08:20,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e137b-1377-41a5-9174-359d6a8a72f9/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:08:20,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e137b-1377-41a5-9174-359d6a8a72f9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:08:20,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d33e137b-1377-41a5-9174-359d6a8a72f9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:08:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:08:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure max [2024-11-08 22:08:20,107 INFO L138 BoogieDeclarations]: Found implementation of procedure max [2024-11-08 22:08:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:08:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:08:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:08:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:08:20,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:08:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:08:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:08:20,181 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:08:20,183 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:08:20,466 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 22:08:20,466 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:08:20,543 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:08:20,548 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:08:20,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:08:20 BoogieIcfgContainer [2024-11-08 22:08:20,549 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:08:20,550 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:08:20,550 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:08:20,559 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:08:20,559 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:08:20" (1/1) ... [2024-11-08 22:08:20,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:08:20,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:20,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-08 22:08:20,635 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-08 22:08:20,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:08:20,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:20,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:08:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:21,146 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:08:21,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:21,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 36 transitions. [2024-11-08 22:08:21,247 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-11-08 22:08:21,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:08:21,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:21,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:08:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:21,392 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:08:21,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:21,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 38 transitions. [2024-11-08 22:08:21,433 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2024-11-08 22:08:21,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 22:08:21,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:21,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:08:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:21,573 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 22:08:21,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:21,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 37 transitions. [2024-11-08 22:08:21,614 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-08 22:08:21,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 22:08:21,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:21,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:08:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:21,816 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 22:08:21,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:21,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 39 transitions. [2024-11-08 22:08:21,883 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-08 22:08:21,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 22:08:21,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:21,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:08:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:22,023 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 22:08:22,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:22,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 40 transitions. [2024-11-08 22:08:22,065 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2024-11-08 22:08:22,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 22:08:22,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:22,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:08:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:22,178 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-08 22:08:22,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:22,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 47 transitions. [2024-11-08 22:08:22,288 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2024-11-08 22:08:22,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:08:22,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:22,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:08:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:22,368 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:08:22,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:22,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 45 transitions. [2024-11-08 22:08:22,461 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2024-11-08 22:08:22,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:08:22,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:22,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:08:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:22,566 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-08 22:08:22,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:22,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 28 states and 38 transitions. [2024-11-08 22:08:22,684 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-11-08 22:08:22,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:08:22,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:22,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:08:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:22,848 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-08 22:08:23,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:23,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 31 states and 45 transitions. [2024-11-08 22:08:23,005 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2024-11-08 22:08:23,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 22:08:23,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:23,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:08:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:23,082 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-08 22:08:23,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:23,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 42 transitions. [2024-11-08 22:08:23,240 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2024-11-08 22:08:23,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 22:08:23,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:23,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:08:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat