./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-optional-1.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_2554eb50-0376-4fdd-a32c-1c7b680eb275/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2554eb50-0376-4fdd-a32c-1c7b680eb275/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_2554eb50-0376-4fdd-a32c-1c7b680eb275/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2554eb50-0376-4fdd-a32c-1c7b680eb275/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-optional-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2554eb50-0376-4fdd-a32c-1c7b680eb275/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_2554eb50-0376-4fdd-a32c-1c7b680eb275/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 8b0f1d623fff7bbdf74e6250d2f53fb98e44ca7ba1aae1265f5b0871b427fba0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:33:46,129 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:33:46,184 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2554eb50-0376-4fdd-a32c-1c7b680eb275/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:33:46,188 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:33:46,189 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:33:46,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:33:46,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:33:46,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:33:46,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:33:46,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:33:46,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:33:46,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:33:46,209 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:33:46,209 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:33:46,209 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:33:46,209 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:33:46,210 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:33:46,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:33:46,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:33:46,210 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:33:46,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:33:46,210 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:33:46,210 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:33:46,210 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:33:46,210 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:33:46,211 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:33:46,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:33:46,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:33:46,211 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:33:46,211 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:33:46,211 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:33:46,211 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:33:46,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:33:46,211 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_2554eb50-0376-4fdd-a32c-1c7b680eb275/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 -> 8b0f1d623fff7bbdf74e6250d2f53fb98e44ca7ba1aae1265f5b0871b427fba0 [2024-12-06 05:33:46,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:33:46,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:33:46,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:33:46,426 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:33:46,426 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:33:46,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2554eb50-0376-4fdd-a32c-1c7b680eb275/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/forester-heap/sll-optional-1.i [2024-12-06 05:33:49,075 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2554eb50-0376-4fdd-a32c-1c7b680eb275/bin/ukojak-verify-CZk0znPC7b/data/68db7d3a2/6773b075e80f4739b319dce878f86eba/FLAGe11409416 [2024-12-06 05:33:49,310 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:33:49,310 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2554eb50-0376-4fdd-a32c-1c7b680eb275/sv-benchmarks/c/forester-heap/sll-optional-1.i [2024-12-06 05:33:49,320 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2554eb50-0376-4fdd-a32c-1c7b680eb275/bin/ukojak-verify-CZk0znPC7b/data/68db7d3a2/6773b075e80f4739b319dce878f86eba/FLAGe11409416 [2024-12-06 05:33:49,335 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2554eb50-0376-4fdd-a32c-1c7b680eb275/bin/ukojak-verify-CZk0znPC7b/data/68db7d3a2/6773b075e80f4739b319dce878f86eba [2024-12-06 05:33:49,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:33:49,339 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:33:49,340 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:33:49,340 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:33:49,344 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:33:49,345 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:33:49" (1/1) ... [2024-12-06 05:33:49,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@662d230c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:49, skipping insertion in model container [2024-12-06 05:33:49,346 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:33:49" (1/1) ... [2024-12-06 05:33:49,372 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:33:49,580 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_2554eb50-0376-4fdd-a32c-1c7b680eb275/sv-benchmarks/c/forester-heap/sll-optional-1.i[22688,22701] [2024-12-06 05:33:49,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:33:49,592 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:33:49,629 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_2554eb50-0376-4fdd-a32c-1c7b680eb275/sv-benchmarks/c/forester-heap/sll-optional-1.i[22688,22701] [2024-12-06 05:33:49,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:33:49,650 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:33:49,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:49 WrapperNode [2024-12-06 05:33:49,650 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:33:49,651 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:33:49,651 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:33:49,651 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:33:49,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:49" (1/1) ... [2024-12-06 05:33:49,665 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:49" (1/1) ... [2024-12-06 05:33:49,681 INFO L138 Inliner]: procedures = 119, calls = 41, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 129 [2024-12-06 05:33:49,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:33:49,682 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:33:49,682 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:33:49,682 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:33:49,687 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:49" (1/1) ... [2024-12-06 05:33:49,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:49" (1/1) ... [2024-12-06 05:33:49,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:49" (1/1) ... [2024-12-06 05:33:49,691 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:49" (1/1) ... [2024-12-06 05:33:49,698 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:49" (1/1) ... [2024-12-06 05:33:49,699 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:49" (1/1) ... [2024-12-06 05:33:49,702 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:49" (1/1) ... [2024-12-06 05:33:49,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:49" (1/1) ... [2024-12-06 05:33:49,704 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:49" (1/1) ... [2024-12-06 05:33:49,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:33:49,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:33:49,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:33:49,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:33:49,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:49" (1/1) ... [2024-12-06 05:33:49,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:33:49,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2554eb50-0376-4fdd-a32c-1c7b680eb275/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:33:49,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2554eb50-0376-4fdd-a32c-1c7b680eb275/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:33:49,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2554eb50-0376-4fdd-a32c-1c7b680eb275/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:33:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 05:33:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 05:33:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 05:33:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:33:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 05:33:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 05:33:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:33:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:33:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:33:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:33:49,833 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:33:49,834 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:33:50,032 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-12-06 05:33:50,032 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:33:50,151 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:33:50,151 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 05:33:50,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:33:50 BoogieIcfgContainer [2024-12-06 05:33:50,152 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:33:50,152 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:33:50,152 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:33:50,159 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:33:50,159 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:33:50" (1/1) ... [2024-12-06 05:33:50,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:33:50,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:50,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2024-12-06 05:33:50,201 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2024-12-06 05:33:50,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:33:50,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:50,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:33:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:50,391 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 05:33:50,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:50,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-12-06 05:33:50,499 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-12-06 05:33:50,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:33:50,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:50,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:33:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:51,746 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 05:33:52,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:52,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-12-06 05:33:52,386 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-12-06 05:33:52,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 05:33:52,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:52,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:33:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:54,698 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 05:33:55,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:55,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 32 transitions. [2024-12-06 05:33:55,801 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 32 transitions. [2024-12-06 05:33:55,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:33:55,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:55,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:33:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:59,817 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 05:34:01,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:34:01,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-12-06 05:34:01,319 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-12-06 05:34:01,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 05:34:01,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:34:01,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:34:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:34:01,714 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:34:03,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:34:03,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-12-06 05:34:03,069 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-12-06 05:34:03,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 05:34:03,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:34:03,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:34:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:34:04,671 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:34:09,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:34:09,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2024-12-06 05:34:09,027 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2024-12-06 05:34:09,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:34:09,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:34:09,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:34:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:34:12,657 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 05:34:17,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:34:17,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 42 states and 74 transitions. [2024-12-06 05:34:17,198 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 74 transitions. [2024-12-06 05:34:17,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 05:34:17,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:34:17,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:34:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:34:17,503 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:34:18,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:34:18,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 75 transitions. [2024-12-06 05:34:18,009 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 75 transitions. [2024-12-06 05:34:18,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:34:18,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:34:18,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:34:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:34:29,540 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 05:34:34,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:34:34,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 63 transitions. [2024-12-06 05:34:34,873 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2024-12-06 05:34:34,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 05:34:34,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:34:34,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:34:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:34:35,921 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:34:39,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:34:39,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 46 states and 75 transitions. [2024-12-06 05:34:39,592 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2024-12-06 05:34:39,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 05:34:39,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:34:39,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:34:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:34:42,969 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:34:50,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:34:50,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 54 states and 91 transitions. [2024-12-06 05:34:50,498 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 91 transitions. [2024-12-06 05:34:50,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 05:34:50,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:34:50,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:34:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:34:50,731 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 05:34:51,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:34:51,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 55 states and 91 transitions. [2024-12-06 05:34:51,414 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 91 transitions. [2024-12-06 05:34:51,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 05:34:51,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:34:51,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:34:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:34:51,627 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 05:34:52,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:34:52,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 56 states and 92 transitions. [2024-12-06 05:34:52,498 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 92 transitions. [2024-12-06 05:34:52,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 05:34:52,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:34:52,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:34:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat