./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/vnew1.c --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_fa247777-8040-4045-bc9f-ba4d01162012/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa247777-8040-4045-bc9f-ba4d01162012/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_fa247777-8040-4045-bc9f-ba4d01162012/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa247777-8040-4045-bc9f-ba4d01162012/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/vnew1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa247777-8040-4045-bc9f-ba4d01162012/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_fa247777-8040-4045-bc9f-ba4d01162012/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 92c9725cc4c9709a9ab81826fb3481ef81541ab6f68244b6727f50e97bc0f0c0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:05:06,660 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:05:06,718 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa247777-8040-4045-bc9f-ba4d01162012/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:05:06,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:05:06,723 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:05:06,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:05:06,743 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:05:06,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:05:06,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:05:06,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:05:06,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:05:06,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:05:06,744 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:05:06,744 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:05:06,744 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:05:06,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:05:06,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:05:06,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:05:06,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:05:06,744 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:05:06,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:05:06,745 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:05:06,745 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:05:06,745 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:05:06,745 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:05:06,745 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:05:06,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:05:06,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:05:06,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:05:06,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:05:06,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:05:06,746 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:05:06,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:05:06,746 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_fa247777-8040-4045-bc9f-ba4d01162012/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 -> 92c9725cc4c9709a9ab81826fb3481ef81541ab6f68244b6727f50e97bc0f0c0 [2024-12-06 01:05:06,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:05:06,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:05:06,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:05:06,981 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:05:06,981 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:05:06,982 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa247777-8040-4045-bc9f-ba4d01162012/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loops-crafted-1/vnew1.c [2024-12-06 01:05:09,650 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa247777-8040-4045-bc9f-ba4d01162012/bin/ukojak-verify-CZk0znPC7b/data/2793eb8ce/195bb340ce1f4fd4997796546aa61e05/FLAGd6e0a8e0c [2024-12-06 01:05:09,826 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:05:09,826 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa247777-8040-4045-bc9f-ba4d01162012/sv-benchmarks/c/loops-crafted-1/vnew1.c [2024-12-06 01:05:09,834 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa247777-8040-4045-bc9f-ba4d01162012/bin/ukojak-verify-CZk0znPC7b/data/2793eb8ce/195bb340ce1f4fd4997796546aa61e05/FLAGd6e0a8e0c [2024-12-06 01:05:10,209 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa247777-8040-4045-bc9f-ba4d01162012/bin/ukojak-verify-CZk0znPC7b/data/2793eb8ce/195bb340ce1f4fd4997796546aa61e05 [2024-12-06 01:05:10,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:05:10,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:05:10,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:05:10,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:05:10,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:05:10,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:05:10" (1/1) ... [2024-12-06 01:05:10,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5651befa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:10, skipping insertion in model container [2024-12-06 01:05:10,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:05:10" (1/1) ... [2024-12-06 01:05:10,231 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:05:10,360 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_fa247777-8040-4045-bc9f-ba4d01162012/sv-benchmarks/c/loops-crafted-1/vnew1.c[403,416] [2024-12-06 01:05:10,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:05:10,382 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:05:10,393 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_fa247777-8040-4045-bc9f-ba4d01162012/sv-benchmarks/c/loops-crafted-1/vnew1.c[403,416] [2024-12-06 01:05:10,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:05:10,409 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:05:10,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:10 WrapperNode [2024-12-06 01:05:10,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:05:10,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:05:10,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:05:10,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:05:10,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:10" (1/1) ... [2024-12-06 01:05:10,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:10" (1/1) ... [2024-12-06 01:05:10,436 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2024-12-06 01:05:10,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:05:10,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:05:10,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:05:10,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:05:10,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:10" (1/1) ... [2024-12-06 01:05:10,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:10" (1/1) ... [2024-12-06 01:05:10,445 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:10" (1/1) ... [2024-12-06 01:05:10,445 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:10" (1/1) ... [2024-12-06 01:05:10,448 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:10" (1/1) ... [2024-12-06 01:05:10,448 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:10" (1/1) ... [2024-12-06 01:05:10,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:10" (1/1) ... [2024-12-06 01:05:10,451 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:10" (1/1) ... [2024-12-06 01:05:10,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:10" (1/1) ... [2024-12-06 01:05:10,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:05:10,454 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:05:10,454 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:05:10,454 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:05:10,455 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:10" (1/1) ... [2024-12-06 01:05:10,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:05:10,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa247777-8040-4045-bc9f-ba4d01162012/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:05:10,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa247777-8040-4045-bc9f-ba4d01162012/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:05:10,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa247777-8040-4045-bc9f-ba4d01162012/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:05:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:05:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:05:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:05:10,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:05:10,559 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:05:10,561 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:05:10,665 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-06 01:05:10,666 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:05:10,702 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:05:10,702 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 01:05:10,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:05:10 BoogieIcfgContainer [2024-12-06 01:05:10,703 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:05:10,703 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:05:10,703 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:05:10,710 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:05:10,710 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:05:10" (1/1) ... [2024-12-06 01:05:10,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:05:10,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:10,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2024-12-06 01:05:10,752 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2024-12-06 01:05:10,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:05:10,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:10,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:11,188 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 01:05:11,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:11,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2024-12-06 01:05:11,320 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2024-12-06 01:05:11,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:05:11,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:11,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:11,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:05:12,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:12,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 16 states and 33 transitions. [2024-12-06 01:05:12,280 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 33 transitions. [2024-12-06 01:05:12,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:05:12,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:12,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:12,530 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:05:13,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:13,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 20 states and 47 transitions. [2024-12-06 01:05:13,524 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 47 transitions. [2024-12-06 01:05:13,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:05:13,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:13,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:13,896 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 01:05:14,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:14,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 22 states and 54 transitions. [2024-12-06 01:05:14,770 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 54 transitions. [2024-12-06 01:05:14,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:05:14,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:14,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:14,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:05:15,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:15,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 23 states and 57 transitions. [2024-12-06 01:05:15,136 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 57 transitions. [2024-12-06 01:05:15,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 01:05:15,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:15,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:15,468 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:05:16,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:16,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 24 states and 61 transitions. [2024-12-06 01:05:16,044 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 61 transitions. [2024-12-06 01:05:16,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 01:05:16,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:16,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:17,034 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:05:19,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:19,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 27 states and 69 transitions. [2024-12-06 01:05:19,134 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 69 transitions. [2024-12-06 01:05:19,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:05:19,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:19,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:19,596 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 01:05:20,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:20,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 28 states and 73 transitions. [2024-12-06 01:05:20,438 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 73 transitions. [2024-12-06 01:05:20,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:05:20,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:20,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:21,459 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 01:05:26,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:26,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 33 states and 88 transitions. [2024-12-06 01:05:26,195 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 88 transitions. [2024-12-06 01:05:26,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:05:26,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:26,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:26,794 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:05:28,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:28,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 34 states and 93 transitions. [2024-12-06 01:05:28,066 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 93 transitions. [2024-12-06 01:05:28,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:05:28,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:28,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:28,768 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:05:33,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:33,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 37 states and 110 transitions. [2024-12-06 01:05:33,484 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 110 transitions. [2024-12-06 01:05:33,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:05:33,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:33,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:34,148 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:05:35,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:35,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 38 states and 116 transitions. [2024-12-06 01:05:35,922 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 116 transitions. [2024-12-06 01:05:35,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:05:35,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:35,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:38,345 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:06:11,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:11,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 43 states and 137 transitions. [2024-12-06 01:06:11,623 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 137 transitions. [2024-12-06 01:06:11,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:06:11,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:11,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:06:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:15,083 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:06:36,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:06:51,204 WARN L286 SmtUtils]: Spent 11.58s on a formula simplification. DAG size of input: 76 DAG size of output: 65 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:07:31,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:31,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 49 states and 151 transitions. [2024-12-06 01:07:31,522 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 151 transitions. [2024-12-06 01:07:31,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:07:31,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:31,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:07:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:31,697 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:07:35,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:35,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 50 states and 159 transitions. [2024-12-06 01:07:35,831 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 159 transitions. [2024-12-06 01:07:35,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:07:35,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:35,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:07:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:37,286 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:07:40,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:40,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 51 states and 165 transitions. [2024-12-06 01:07:40,780 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 165 transitions. [2024-12-06 01:07:40,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:07:40,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:40,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:07:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:43,078 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 01:08:49,508 WARN L286 SmtUtils]: Spent 20.36s on a formula simplification. DAG size of input: 69 DAG size of output: 60 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:09:12,260 WARN L286 SmtUtils]: Spent 10.25s on a formula simplification that was a NOOP. DAG size: 61 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:09:41,985 WARN L286 SmtUtils]: Spent 11.12s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:10:58,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:58,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 56 states and 182 transitions. [2024-12-06 01:10:58,590 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 182 transitions. [2024-12-06 01:10:58,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:10:58,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:58,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:10:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:27,777 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:12:18,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.98s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:12:22,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.28s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:14:27,019 WARN L286 SmtUtils]: Spent 9.63s on a formula simplification. DAG size of input: 96 DAG size of output: 70 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:17:34,296 WARN L286 SmtUtils]: Spent 12.40s on a formula simplification. DAG size of input: 93 DAG size of output: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:18:40,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:18:42,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:18:52,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:18:54,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:18:56,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:18:57,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:57,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 57 states and 187 transitions. [2024-12-06 01:18:57,842 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 187 transitions. [2024-12-06 01:18:57,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:18:57,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:57,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:02,390 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:19:10,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:10,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 58 states and 193 transitions. [2024-12-06 01:19:10,080 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 193 transitions. [2024-12-06 01:19:10,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:19:10,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:10,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:19:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:17,982 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.