./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9865a-cec9-44d0-9bae-45cbd2ff59d6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9865a-cec9-44d0-9bae-45cbd2ff59d6/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_28f9865a-cec9-44d0-9bae-45cbd2ff59d6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9865a-cec9-44d0-9bae-45cbd2ff59d6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9865a-cec9-44d0-9bae-45cbd2ff59d6/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_28f9865a-cec9-44d0-9bae-45cbd2ff59d6/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 5d6ad2c11d3a75b8845224ed23d407062e615cc5bd2b5ad3e6646436a3e13805 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:21:01,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:21:01,189 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9865a-cec9-44d0-9bae-45cbd2ff59d6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:21:01,194 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:21:01,194 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:21:01,214 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:21:01,214 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:21:01,215 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:21:01,215 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:21:01,215 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:21:01,215 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:21:01,215 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:21:01,215 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:21:01,215 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:21:01,216 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:21:01,216 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:21:01,216 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:21:01,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:21:01,216 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:21:01,216 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:21:01,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:21:01,216 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:21:01,216 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:21:01,216 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:21:01,216 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:21:01,217 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:21:01,217 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:21:01,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:21:01,217 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:21:01,217 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:21:01,217 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:21:01,217 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:21:01,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:21:01,217 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_28f9865a-cec9-44d0-9bae-45cbd2ff59d6/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 -> 5d6ad2c11d3a75b8845224ed23d407062e615cc5bd2b5ad3e6646436a3e13805 [2024-12-06 01:21:01,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:21:01,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:21:01,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:21:01,457 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:21:01,458 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:21:01,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9865a-cec9-44d0-9bae-45cbd2ff59d6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound10.i [2024-12-06 01:21:04,108 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9865a-cec9-44d0-9bae-45cbd2ff59d6/bin/ukojak-verify-CZk0znPC7b/data/b3cc5813f/30640fe22a144e9aab96c90496628e5c/FLAGe30f76edc [2024-12-06 01:21:04,333 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:21:04,334 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9865a-cec9-44d0-9bae-45cbd2ff59d6/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound10.i [2024-12-06 01:21:04,342 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9865a-cec9-44d0-9bae-45cbd2ff59d6/bin/ukojak-verify-CZk0znPC7b/data/b3cc5813f/30640fe22a144e9aab96c90496628e5c/FLAGe30f76edc [2024-12-06 01:21:04,356 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9865a-cec9-44d0-9bae-45cbd2ff59d6/bin/ukojak-verify-CZk0znPC7b/data/b3cc5813f/30640fe22a144e9aab96c90496628e5c [2024-12-06 01:21:04,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:21:04,360 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:21:04,361 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:21:04,362 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:21:04,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:21:04,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:21:04" (1/1) ... [2024-12-06 01:21:04,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3138dfbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:04, skipping insertion in model container [2024-12-06 01:21:04,368 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:21:04" (1/1) ... [2024-12-06 01:21:04,382 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:21:04,517 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_28f9865a-cec9-44d0-9bae-45cbd2ff59d6/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound10.i[951,964] [2024-12-06 01:21:04,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:21:04,539 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:21:04,549 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_28f9865a-cec9-44d0-9bae-45cbd2ff59d6/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound10.i[951,964] [2024-12-06 01:21:04,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:21:04,567 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:21:04,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:04 WrapperNode [2024-12-06 01:21:04,567 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:21:04,568 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:21:04,568 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:21:04,568 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:21:04,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:04" (1/1) ... [2024-12-06 01:21:04,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:04" (1/1) ... [2024-12-06 01:21:04,593 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2024-12-06 01:21:04,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:21:04,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:21:04,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:21:04,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:21:04,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:04" (1/1) ... [2024-12-06 01:21:04,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:04" (1/1) ... [2024-12-06 01:21:04,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:04" (1/1) ... [2024-12-06 01:21:04,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:04" (1/1) ... [2024-12-06 01:21:04,603 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:04" (1/1) ... [2024-12-06 01:21:04,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:04" (1/1) ... [2024-12-06 01:21:04,607 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:04" (1/1) ... [2024-12-06 01:21:04,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:04" (1/1) ... [2024-12-06 01:21:04,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:04" (1/1) ... [2024-12-06 01:21:04,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:21:04,610 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:21:04,610 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:21:04,611 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:21:04,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:04" (1/1) ... [2024-12-06 01:21:04,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:21:04,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9865a-cec9-44d0-9bae-45cbd2ff59d6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:21:04,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9865a-cec9-44d0-9bae-45cbd2ff59d6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:21:04,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f9865a-cec9-44d0-9bae-45cbd2ff59d6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:21:04,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:21:04,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:21:04,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:21:04,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:21:04,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:21:04,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:21:04,723 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:21:04,725 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:21:04,828 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 01:21:04,828 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:21:04,865 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:21:04,865 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 01:21:04,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:21:04 BoogieIcfgContainer [2024-12-06 01:21:04,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:21:04,866 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:21:04,866 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:21:04,874 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:21:04,874 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:21:04" (1/1) ... [2024-12-06 01:21:04,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:21:04,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:04,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-12-06 01:21:04,917 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-12-06 01:21:04,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:21:04,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:04,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:21:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:21:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:05,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 01:21:05,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:21:05,139 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 01:21:05,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:05,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2024-12-06 01:21:05,230 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2024-12-06 01:21:05,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:21:05,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:05,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:21:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:05,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:21:05,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:05,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-12-06 01:21:05,813 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-12-06 01:21:05,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:21:05,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:05,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:21:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:05,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:21:06,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:06,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-12-06 01:21:06,318 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-12-06 01:21:06,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:21:06,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:06,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:21:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:21:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:06,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 01:21:06,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:21:06,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:21:08,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:08,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 24 states and 45 transitions. [2024-12-06 01:21:08,025 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 45 transitions. [2024-12-06 01:21:08,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:21:08,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:08,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:21:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:21:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:08,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 01:21:08,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:21:08,364 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:21:10,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:10,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 28 states and 58 transitions. [2024-12-06 01:21:10,040 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 58 transitions. [2024-12-06 01:21:10,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:21:10,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:10,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:21:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:21:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:10,207 WARN L254 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 01:21:10,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:21:10,678 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:21:12,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:12,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 33 states and 72 transitions. [2024-12-06 01:21:12,641 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 72 transitions. [2024-12-06 01:21:12,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 01:21:12,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:12,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:21:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:21:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:12,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 01:21:12,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:21:12,966 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:21:14,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:14,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 38 states and 85 transitions. [2024-12-06 01:21:14,703 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 85 transitions. [2024-12-06 01:21:14,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:21:14,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:14,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:21:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:15,233 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:21:15,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:15,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 37 states and 78 transitions. [2024-12-06 01:21:15,939 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 78 transitions. [2024-12-06 01:21:15,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:21:15,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:15,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:21:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:16,545 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:21:19,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:19,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 40 states and 90 transitions. [2024-12-06 01:21:19,068 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 90 transitions. [2024-12-06 01:21:19,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 01:21:19,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:19,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:21:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:21:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:19,164 WARN L254 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 01:21:19,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:21:19,796 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:21:22,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:22,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 44 states and 100 transitions. [2024-12-06 01:21:22,503 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 100 transitions. [2024-12-06 01:21:22,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 01:21:22,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:22,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:21:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:21:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:22,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 01:21:22,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:21:23,509 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:21:26,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:26,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 48 states and 111 transitions. [2024-12-06 01:21:26,186 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 111 transitions. [2024-12-06 01:21:26,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 01:21:26,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:26,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:21:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:21:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:26,415 WARN L254 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-06 01:21:26,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:21:27,054 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:21:30,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:30,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 52 states and 125 transitions. [2024-12-06 01:21:30,289 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 125 transitions. [2024-12-06 01:21:30,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 01:21:30,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:30,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:21:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:40,237 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:21:51,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:51,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 54 states and 136 transitions. [2024-12-06 01:21:51,833 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 136 transitions. [2024-12-06 01:21:51,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 01:21:51,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:51,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:21:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:21:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:52,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-06 01:21:52,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:23:43,482 WARN L286 SmtUtils]: Spent 1.24m on a formula simplification that was a NOOP. DAG size: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:23:43,795 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:26:20,495 WARN L286 SmtUtils]: Spent 1.98m on a formula simplification that was a NOOP. DAG size: 59 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:27:18,050 WARN L286 SmtUtils]: Spent 57.15s on a formula simplification that was a NOOP. DAG size: 111 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:28:17,416 WARN L286 SmtUtils]: Spent 57.41s on a formula simplification that was a NOOP. DAG size: 112 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:28:17,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:28:17,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 57 states and 146 transitions. [2024-12-06 01:28:17,826 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 146 transitions. [2024-12-06 01:28:17,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 01:28:17,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:28:17,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:28:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:28:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:28:18,311 WARN L254 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 01:28:18,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:28:20,721 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:28:43,536 WARN L286 SmtUtils]: Spent 15.26s on a formula simplification that was a NOOP. DAG size: 125 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:29:02,376 WARN L286 SmtUtils]: Spent 16.66s on a formula simplification that was a NOOP. DAG size: 126 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:29:02,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:29:02,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 59 states and 153 transitions. [2024-12-06 01:29:02,643 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 153 transitions. [2024-12-06 01:29:02,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 01:29:02,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:29:02,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:29:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:29:17,326 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 01:31:52,074 WARN L286 SmtUtils]: Spent 1.99m on a formula simplification. DAG size of input: 66 DAG size of output: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:34:48,628 WARN L286 SmtUtils]: Spent 2.39m on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)