./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/hash_fun.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d36b47-765a-4cd5-961e-876f47e5877f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d36b47-765a-4cd5-961e-876f47e5877f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d36b47-765a-4cd5-961e-876f47e5877f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d36b47-765a-4cd5-961e-876f47e5877f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-data/hash_fun.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d36b47-765a-4cd5-961e-876f47e5877f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d36b47-765a-4cd5-961e-876f47e5877f/bin/ukojak-verify-CZk0znPC7b --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 0abab60f5c601fd8191c1a2aa712d4ab55460e987c7d41ca7527c2934792cc0b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:12:10,747 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:12:10,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d36b47-765a-4cd5-961e-876f47e5877f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:12:10,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:12:10,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:12:10,834 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:12:10,835 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:12:10,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:12:10,835 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:12:10,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:12:10,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:12:10,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:12:10,836 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:12:10,836 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:12:10,836 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:12:10,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:12:10,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:12:10,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:12:10,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:12:10,837 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:12:10,837 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:12:10,837 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:12:10,837 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:12:10,837 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:12:10,837 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:12:10,837 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:12:10,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:12:10,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:12:10,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:12:10,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:12:10,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:12:10,838 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:12:10,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:12:10,838 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_42d36b47-765a-4cd5-961e-876f47e5877f/bin/ukojak-verify-CZk0znPC7b 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 -> 0abab60f5c601fd8191c1a2aa712d4ab55460e987c7d41ca7527c2934792cc0b [2024-12-06 04:12:11,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:12:11,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:12:11,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:12:11,093 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:12:11,094 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:12:11,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d36b47-765a-4cd5-961e-876f47e5877f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/heap-data/hash_fun.i [2024-12-06 04:12:13,812 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d36b47-765a-4cd5-961e-876f47e5877f/bin/ukojak-verify-CZk0znPC7b/data/7778ee4c0/5f25a39364c64df98629e19d01240a6d/FLAGcdf8e9731 [2024-12-06 04:12:14,089 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:12:14,089 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d36b47-765a-4cd5-961e-876f47e5877f/sv-benchmarks/c/heap-data/hash_fun.i [2024-12-06 04:12:14,102 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d36b47-765a-4cd5-961e-876f47e5877f/bin/ukojak-verify-CZk0znPC7b/data/7778ee4c0/5f25a39364c64df98629e19d01240a6d/FLAGcdf8e9731 [2024-12-06 04:12:14,117 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d36b47-765a-4cd5-961e-876f47e5877f/bin/ukojak-verify-CZk0znPC7b/data/7778ee4c0/5f25a39364c64df98629e19d01240a6d [2024-12-06 04:12:14,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:12:14,122 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:12:14,123 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:12:14,123 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:12:14,127 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:12:14,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:12:14" (1/1) ... [2024-12-06 04:12:14,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@685ec551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:14, skipping insertion in model container [2024-12-06 04:12:14,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:12:14" (1/1) ... [2024-12-06 04:12:14,153 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:12:14,425 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_42d36b47-765a-4cd5-961e-876f47e5877f/sv-benchmarks/c/heap-data/hash_fun.i[23732,23745] [2024-12-06 04:12:14,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:12:14,439 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:12:14,483 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_42d36b47-765a-4cd5-961e-876f47e5877f/sv-benchmarks/c/heap-data/hash_fun.i[23732,23745] [2024-12-06 04:12:14,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:12:14,515 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:12:14,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:14 WrapperNode [2024-12-06 04:12:14,515 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:12:14,516 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:12:14,516 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:12:14,517 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:12:14,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:14" (1/1) ... [2024-12-06 04:12:14,535 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:14" (1/1) ... [2024-12-06 04:12:14,555 INFO L138 Inliner]: procedures = 125, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-12-06 04:12:14,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:12:14,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:12:14,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:12:14,556 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:12:14,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:14" (1/1) ... [2024-12-06 04:12:14,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:14" (1/1) ... [2024-12-06 04:12:14,568 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:14" (1/1) ... [2024-12-06 04:12:14,568 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:14" (1/1) ... [2024-12-06 04:12:14,575 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:14" (1/1) ... [2024-12-06 04:12:14,575 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:14" (1/1) ... [2024-12-06 04:12:14,579 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:14" (1/1) ... [2024-12-06 04:12:14,581 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:14" (1/1) ... [2024-12-06 04:12:14,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:14" (1/1) ... [2024-12-06 04:12:14,584 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:12:14,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:12:14,585 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:12:14,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:12:14,586 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:14" (1/1) ... [2024-12-06 04:12:14,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:12:14,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d36b47-765a-4cd5-961e-876f47e5877f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:12:14,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d36b47-765a-4cd5-961e-876f47e5877f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:12:14,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d36b47-765a-4cd5-961e-876f47e5877f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:12:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 04:12:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 04:12:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 04:12:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:12:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 04:12:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 04:12:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 04:12:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 04:12:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 04:12:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:12:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:12:14,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:12:14,751 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:12:14,752 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:12:14,889 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-12-06 04:12:14,889 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:12:14,989 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:12:14,989 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 04:12:14,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:12:14 BoogieIcfgContainer [2024-12-06 04:12:14,989 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:12:14,990 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:12:14,990 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:12:15,000 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:12:15,000 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:12:14" (1/1) ... [2024-12-06 04:12:15,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:12:15,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:12:15,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-12-06 04:12:15,055 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-12-06 04:12:15,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:12:15,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:12:15,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:12:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:12:15,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:12:15,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:12:15,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-12-06 04:12:15,211 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-12-06 04:12:15,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:12:15,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:12:15,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:12:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:12:15,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:12:15,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:12:15,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-06 04:12:15,459 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-06 04:12:15,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:12:15,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:12:15,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:12:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:12:16,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:12:16,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:12:16,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2024-12-06 04:12:16,754 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-12-06 04:12:16,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:12:16,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:12:16,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:12:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:12:18,238 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:12:18,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:12:18,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-06 04:12:18,939 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-06 04:12:18,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 04:12:18,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:12:18,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:12:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:12:19,501 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:12:20,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:12:20,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2024-12-06 04:12:20,640 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2024-12-06 04:12:20,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 04:12:20,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:12:20,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:12:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:12:22,345 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:12:24,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:12:24,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2024-12-06 04:12:24,555 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-06 04:12:24,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 04:12:24,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:12:24,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:12:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:12:27,425 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:12:28,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:12:28,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-12-06 04:12:28,272 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-12-06 04:12:28,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 04:12:28,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:12:28,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:12:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:12:29,872 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:12:32,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:12:32,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2024-12-06 04:12:32,344 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2024-12-06 04:12:32,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 04:12:32,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:12:32,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:12:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:12:35,915 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:12:39,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:12:39,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 40 states and 59 transitions. [2024-12-06 04:12:39,931 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 59 transitions. [2024-12-06 04:12:39,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 04:12:39,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:12:39,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:12:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:12:44,444 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:12:49,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:12:49,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 46 states and 69 transitions. [2024-12-06 04:12:49,209 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 69 transitions. [2024-12-06 04:12:49,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 04:12:49,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:12:49,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:12:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:11,301 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:13:17,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:17,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 50 states and 75 transitions. [2024-12-06 04:13:17,312 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 75 transitions. [2024-12-06 04:13:17,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 04:13:17,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:17,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:25,633 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 36 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:13:32,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:32,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 56 states and 85 transitions. [2024-12-06 04:13:32,874 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2024-12-06 04:13:32,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 04:13:32,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:32,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:16:10,828 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:16:27,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:16:27,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 60 states and 93 transitions. [2024-12-06 04:16:27,951 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 93 transitions. [2024-12-06 04:16:27,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 04:16:27,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:16:27,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:16:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:06,281 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 41 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:22:19,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:19,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 66 states and 103 transitions. [2024-12-06 04:22:19,765 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 103 transitions. [2024-12-06 04:22:19,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 04:22:19,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:19,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:22:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat