./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5875d6c5-d798-4e4f-a56e-7d519756bc3f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5875d6c5-d798-4e4f-a56e-7d519756bc3f/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_5875d6c5-d798-4e4f-a56e-7d519756bc3f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5875d6c5-d798-4e4f-a56e-7d519756bc3f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5875d6c5-d798-4e4f-a56e-7d519756bc3f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5875d6c5-d798-4e4f-a56e-7d519756bc3f/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e57b7a688a4809923d49abd295c8957f721362e148c6f16fbec21211e82ecfa2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:25:37,234 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:25:37,286 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5875d6c5-d798-4e4f-a56e-7d519756bc3f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 05:25:37,290 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:25:37,290 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:25:37,308 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:25:37,309 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:25:37,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:25:37,309 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:25:37,309 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:25:37,310 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:25:37,310 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:25:37,310 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:25:37,310 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:25:37,310 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:25:37,310 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:25:37,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:25:37,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:25:37,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:25:37,311 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:25:37,311 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:25:37,311 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:25:37,311 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:25:37,311 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:25:37,311 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:25:37,311 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:25:37,311 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:25:37,311 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:25:37,311 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:25:37,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:25:37,312 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:25:37,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:25:37,312 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:25:37,312 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:25:37,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:25:37,312 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_5875d6c5-d798-4e4f-a56e-7d519756bc3f/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 ! overflow) ) 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 -> e57b7a688a4809923d49abd295c8957f721362e148c6f16fbec21211e82ecfa2 [2024-12-06 05:25:37,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:25:37,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:25:37,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:25:37,532 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:25:37,533 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:25:37,534 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5875d6c5-d798-4e4f-a56e-7d519756bc3f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound2.c [2024-12-06 05:25:40,121 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5875d6c5-d798-4e4f-a56e-7d519756bc3f/bin/ukojak-verify-CZk0znPC7b/data/eb34a3180/88b1f76cf75d41548a6b9dba018531b9/FLAGf692780cc [2024-12-06 05:25:40,336 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:25:40,337 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5875d6c5-d798-4e4f-a56e-7d519756bc3f/sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound2.c [2024-12-06 05:25:40,343 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5875d6c5-d798-4e4f-a56e-7d519756bc3f/bin/ukojak-verify-CZk0znPC7b/data/eb34a3180/88b1f76cf75d41548a6b9dba018531b9/FLAGf692780cc [2024-12-06 05:25:40,703 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5875d6c5-d798-4e4f-a56e-7d519756bc3f/bin/ukojak-verify-CZk0znPC7b/data/eb34a3180/88b1f76cf75d41548a6b9dba018531b9 [2024-12-06 05:25:40,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:25:40,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:25:40,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:25:40,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:25:40,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:25:40,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:25:40" (1/1) ... [2024-12-06 05:25:40,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1551b463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:25:40, skipping insertion in model container [2024-12-06 05:25:40,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:25:40" (1/1) ... [2024-12-06 05:25:40,722 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:25:40,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:25:40,844 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:25:40,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:25:40,867 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:25:40,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:25:40 WrapperNode [2024-12-06 05:25:40,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:25:40,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:25:40,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:25:40,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:25:40,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:25:40" (1/1) ... [2024-12-06 05:25:40,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:25:40" (1/1) ... [2024-12-06 05:25:40,894 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2024-12-06 05:25:40,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:25:40,894 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:25:40,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:25:40,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:25:40,900 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:25:40" (1/1) ... [2024-12-06 05:25:40,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:25:40" (1/1) ... [2024-12-06 05:25:40,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:25:40" (1/1) ... [2024-12-06 05:25:40,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:25:40" (1/1) ... [2024-12-06 05:25:40,905 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:25:40" (1/1) ... [2024-12-06 05:25:40,906 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:25:40" (1/1) ... [2024-12-06 05:25:40,908 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:25:40" (1/1) ... [2024-12-06 05:25:40,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:25:40" (1/1) ... [2024-12-06 05:25:40,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:25:40" (1/1) ... [2024-12-06 05:25:40,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:25:40,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:25:40,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:25:40,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:25:40,913 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:25:40" (1/1) ... [2024-12-06 05:25:40,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:25:40,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5875d6c5-d798-4e4f-a56e-7d519756bc3f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:25:40,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5875d6c5-d798-4e4f-a56e-7d519756bc3f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:25:40,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5875d6c5-d798-4e4f-a56e-7d519756bc3f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:25:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:25:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:25:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:25:40,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:25:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:25:40,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:25:41,000 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:25:41,002 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:25:41,239 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-12-06 05:25:41,240 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:25:41,267 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:25:41,267 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:25:41,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:25:41 BoogieIcfgContainer [2024-12-06 05:25:41,267 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:25:41,268 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:25:41,268 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:25:41,276 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:25:41,276 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:25:41" (1/1) ... [2024-12-06 05:25:41,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:25:41,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:41,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 58 states and 61 transitions. [2024-12-06 05:25:41,324 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2024-12-06 05:25:41,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 05:25:41,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:41,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:25:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:41,470 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 05:25:41,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:41,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 60 states and 63 transitions. [2024-12-06 05:25:41,512 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2024-12-06 05:25:41,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:25:41,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:41,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:25:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:41,553 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 05:25:41,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:41,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 61 states and 64 transitions. [2024-12-06 05:25:41,568 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2024-12-06 05:25:41,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:25:41,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:41,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:25:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:25:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:41,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:25:41,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:25:41,625 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 05:25:41,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:41,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 66 states and 72 transitions. [2024-12-06 05:25:41,756 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2024-12-06 05:25:41,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:25:41,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:41,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:25:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:41,805 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 05:25:41,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:41,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 67 states and 73 transitions. [2024-12-06 05:25:41,841 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 73 transitions. [2024-12-06 05:25:41,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:25:41,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:41,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:25:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:25:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:41,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:25:41,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:25:41,886 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 05:25:41,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:41,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 68 states and 74 transitions. [2024-12-06 05:25:41,899 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 74 transitions. [2024-12-06 05:25:41,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:25:41,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:41,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:25:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:25:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:41,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:25:41,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:25:41,934 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 05:25:41,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:41,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 69 states and 75 transitions. [2024-12-06 05:25:41,947 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 75 transitions. [2024-12-06 05:25:41,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:25:41,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:41,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:25:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:42,002 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 05:25:42,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:42,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 70 states and 76 transitions. [2024-12-06 05:25:42,018 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2024-12-06 05:25:42,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 05:25:42,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:42,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:25:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:25:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:42,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:25:42,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:25:42,120 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 05:25:42,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:42,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 79 states and 87 transitions. [2024-12-06 05:25:42,425 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2024-12-06 05:25:42,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:25:42,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:42,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:25:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:42,544 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 05:25:43,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:43,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 89 states and 101 transitions. [2024-12-06 05:25:43,054 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 101 transitions. [2024-12-06 05:25:43,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:25:43,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:43,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:25:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:43,124 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 05:25:43,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:43,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 90 states and 103 transitions. [2024-12-06 05:25:43,336 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2024-12-06 05:25:43,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 05:25:43,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:43,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:25:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:43,395 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 05:25:43,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:43,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 92 states and 106 transitions. [2024-12-06 05:25:43,507 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2024-12-06 05:25:43,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 05:25:43,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:43,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:25:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:25:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:43,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:25:43,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:25:43,569 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 05:25:43,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:43,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 95 states and 111 transitions. [2024-12-06 05:25:43,600 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2024-12-06 05:25:43,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 05:25:43,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:43,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:25:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:43,663 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 05:25:44,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:44,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 110 states and 134 transitions. [2024-12-06 05:25:44,709 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 134 transitions. [2024-12-06 05:25:44,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:25:44,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:44,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:25:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:25:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:44,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:25:44,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:25:44,769 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 05:25:44,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:44,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 111 states and 135 transitions. [2024-12-06 05:25:44,792 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 135 transitions. [2024-12-06 05:25:44,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:25:44,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:44,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:25:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:44,820 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 05:25:44,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:44,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 112 states and 136 transitions. [2024-12-06 05:25:44,835 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 136 transitions. [2024-12-06 05:25:44,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 05:25:44,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:44,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:25:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:44,952 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 05:25:45,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:45,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 113 states and 138 transitions. [2024-12-06 05:25:45,058 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 138 transitions. [2024-12-06 05:25:45,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 05:25:45,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:45,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:25:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:45,153 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 05:25:45,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:45,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 116 states and 142 transitions. [2024-12-06 05:25:45,498 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 142 transitions. [2024-12-06 05:25:45,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 05:25:45,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:45,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:25:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:25:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:45,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:25:45,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:25:45,620 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 05:25:45,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:45,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 118 states and 145 transitions. [2024-12-06 05:25:45,780 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 145 transitions. [2024-12-06 05:25:45,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 05:25:45,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:45,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:25:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:45,911 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 05:25:46,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:46,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 122 states and 150 transitions. [2024-12-06 05:25:46,862 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 150 transitions. [2024-12-06 05:25:46,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 05:25:46,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:46,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:25:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:10,714 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:27:18,083 WARN L286 SmtUtils]: Spent 7.36s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:28:17,766 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 05:30:03,554 WARN L286 SmtUtils]: Spent 11.04s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:30:39,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:30:39,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 127 states and 160 transitions. [2024-12-06 05:30:39,285 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 160 transitions. [2024-12-06 05:30:39,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 05:30:39,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:30:39,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:30:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:30:39,413 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 05:30:39,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:30:39,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 126 states and 159 transitions. [2024-12-06 05:30:39,469 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 159 transitions. [2024-12-06 05:30:39,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 05:30:39,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:30:39,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:30:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:30:52,104 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 05:31:21,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:31:21,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 139 states and 177 transitions. [2024-12-06 05:31:21,851 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 177 transitions. [2024-12-06 05:31:21,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 05:31:21,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:31:21,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:31:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:31:22,122 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 05:32:14,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:32:14,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 149 states and 189 transitions. [2024-12-06 05:32:14,838 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 189 transitions. [2024-12-06 05:32:14,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 05:32:14,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:32:14,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:32:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:32:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:32:14,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:32:14,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:32:15,042 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 05:32:18,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:32:18,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 167 states and 211 transitions. [2024-12-06 05:32:18,131 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 211 transitions. [2024-12-06 05:32:18,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 05:32:18,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:32:18,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:32:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:32:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:32:18,153 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:32:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:32:18,176 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 25 iterations. [2024-12-06 05:32:18,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:32:18 ImpRootNode [2024-12-06 05:32:18,202 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:32:18,203 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:32:18,203 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:32:18,203 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:32:18,204 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:25:41" (3/4) ... [2024-12-06 05:32:18,204 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 05:32:18,243 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-06 05:32:18,286 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5875d6c5-d798-4e4f-a56e-7d519756bc3f/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:32:18,286 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5875d6c5-d798-4e4f-a56e-7d519756bc3f/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:32:18,286 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:32:18,287 INFO L158 Benchmark]: Toolchain (without parser) took 397580.82ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 47.3MB in the end (delta: 70.0MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-12-06 05:32:18,288 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 82.8MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:32:18,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 160.10ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 106.1MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:32:18,288 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.19ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 104.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:32:18,288 INFO L158 Benchmark]: Boogie Preprocessor took 16.92ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.8MB in the end (delta: 822.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:32:18,289 INFO L158 Benchmark]: RCFGBuilder took 355.44ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 86.9MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:32:18,289 INFO L158 Benchmark]: CodeCheck took 396934.17ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 51.4MB in the end (delta: 35.3MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2024-12-06 05:32:18,289 INFO L158 Benchmark]: Witness Printer took 83.65ms. Allocated memory is still 142.6MB. Free memory was 51.4MB in the beginning and 47.3MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:32:18,291 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 58 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 396.9s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2232 SdHoareTripleChecker+Valid, 7.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1776 mSDsluCounter, 492 SdHoareTripleChecker+Invalid, 6.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 175 mSDsCounter, 578 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5026 IncrementalHoareTripleChecker+Invalid, 5604 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 578 mSolverCounterUnsat, 317 mSDtfsCounter, 5026 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2903 GetRequests, 2625 SyntacticMatches, 88 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20365 ImplicationChecksByTransitivity, 386.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 165.2s InterpolantComputationTime, 384 NumberOfCodeBlocks, 384 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 335 ConstructedInterpolants, 0 QuantifiedInterpolants, 1969 SizeOfPredicates, 0 NumberOfNonLiveVariables, 379 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 41]: integer overflow possible integer overflow possible We found a FailurePath: [L22] int counter = 0; [L24] unsigned int z, k; [L25] long long x, y, c; [L26] z = __VERIFIER_nondet_uint() [L27] k = __VERIFIER_nondet_uint() [L29] x = 1 [L30] y = z [L31] c = 1 VAL [c=1, counter=0, x=1, y=3037000500, z=3037000500] [L33] EXPR counter++ VAL [c=1, counter=1, x=1, y=3037000500, z=3037000500] [L33] COND TRUE counter++<2 [L34] EXPR x*z VAL [c=1, counter=1, x=1, y=3037000500, z=3037000500] [L34] EXPR x*z - x VAL [c=1, counter=1, x=1, y=3037000500, z=3037000500] [L34] EXPR x*z - x - y VAL [c=1, counter=1, x=1, y=3037000500, z=3037000500] [L34] EXPR x*z - x - y + 1 VAL [c=1, counter=1, x=1, y=3037000500, z=3037000500] [L34] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [counter=1] [L16] COND FALSE !(!(cond)) [L34] RET __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [c=1, counter=1, x=1, y=3037000500, z=3037000500] [L36] COND FALSE !(!(c < k)) VAL [c=1, counter=1, k=2, x=1, y=3037000500, z=3037000500] [L39] EXPR c + 1 [L39] c = c + 1 VAL [c=2, counter=1, k=2, x=1, y=3037000500, z=3037000500] [L40] EXPR x * z VAL [c=2, counter=1, k=2, x=1, y=3037000500, z=3037000500] [L40] EXPR x * z + 1 [L40] x = x * z + 1 VAL [c=2, counter=1, k=2, x=3037000501, y=3037000500, z=3037000500] [L41] y * z VAL [c=2, counter=1, k=2, x=3037000501] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 82.8MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 160.10ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 106.1MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.19ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 104.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.92ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.8MB in the end (delta: 822.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 355.44ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 86.9MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 396934.17ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 51.4MB in the end (delta: 35.3MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * Witness Printer took 83.65ms. Allocated memory is still 142.6MB. Free memory was 51.4MB in the beginning and 47.3MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 05:32:18,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5875d6c5-d798-4e4f-a56e-7d519756bc3f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)