./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98705dbe-b4d2-49cc-9e5c-2003ba4f8b40/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98705dbe-b4d2-49cc-9e5c-2003ba4f8b40/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98705dbe-b4d2-49cc-9e5c-2003ba4f8b40/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98705dbe-b4d2-49cc-9e5c-2003ba4f8b40/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98705dbe-b4d2-49cc-9e5c-2003ba4f8b40/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98705dbe-b4d2-49cc-9e5c-2003ba4f8b40/bin/ukojak-verify-EEHR8qb7sm --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 c7a9d89991bb39658ba66b50d9cb80ba7d1aa37f87b1a2f7972fc25c15a1ea38 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:24:24,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:24:25,053 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98705dbe-b4d2-49cc-9e5c-2003ba4f8b40/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:24:25,063 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:24:25,063 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:24:25,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:24:25,095 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:24:25,095 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:24:25,096 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:24:25,096 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:24:25,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:24:25,097 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:24:25,097 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:24:25,097 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:24:25,097 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:24:25,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:24:25,097 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:24:25,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:24:25,097 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:24:25,097 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:24:25,098 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:24:25,098 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:24:25,098 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:24:25,098 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:24:25,098 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:24:25,098 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:24:25,098 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:24:25,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:24:25,098 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:24:25,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:24:25,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:24:25,099 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:24:25,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:24:25,101 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_98705dbe-b4d2-49cc-9e5c-2003ba4f8b40/bin/ukojak-verify-EEHR8qb7sm 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 -> c7a9d89991bb39658ba66b50d9cb80ba7d1aa37f87b1a2f7972fc25c15a1ea38 [2024-11-13 22:24:25,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:24:25,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:24:25,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:24:25,380 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:24:25,381 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:24:25,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98705dbe-b4d2-49cc-9e5c-2003ba4f8b40/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i Unable to find full path for "g++" [2024-11-13 22:24:27,639 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:24:27,893 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:24:27,895 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98705dbe-b4d2-49cc-9e5c-2003ba4f8b40/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i [2024-11-13 22:24:27,903 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98705dbe-b4d2-49cc-9e5c-2003ba4f8b40/bin/ukojak-verify-EEHR8qb7sm/data/f360fa891/e74da2c530fc4a55a31eb4ffb35e1a88/FLAG0e62954bb [2024-11-13 22:24:27,918 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98705dbe-b4d2-49cc-9e5c-2003ba4f8b40/bin/ukojak-verify-EEHR8qb7sm/data/f360fa891/e74da2c530fc4a55a31eb4ffb35e1a88 [2024-11-13 22:24:27,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:24:27,922 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:24:27,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:24:27,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:24:27,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:24:27,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:24:27" (1/1) ... [2024-11-13 22:24:27,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@591bdeee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:27, skipping insertion in model container [2024-11-13 22:24:27,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:24:27" (1/1) ... [2024-11-13 22:24:27,953 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:24:28,115 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_98705dbe-b4d2-49cc-9e5c-2003ba4f8b40/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i[950,963] [2024-11-13 22:24:28,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:24:28,140 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:24:28,155 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_98705dbe-b4d2-49cc-9e5c-2003ba4f8b40/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i[950,963] [2024-11-13 22:24:28,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:24:28,178 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:24:28,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:28 WrapperNode [2024-11-13 22:24:28,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:24:28,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:24:28,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:24:28,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:24:28,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:28" (1/1) ... [2024-11-13 22:24:28,195 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:28" (1/1) ... [2024-11-13 22:24:28,216 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2024-11-13 22:24:28,217 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:24:28,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:24:28,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:24:28,219 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:24:28,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:28" (1/1) ... [2024-11-13 22:24:28,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:28" (1/1) ... [2024-11-13 22:24:28,229 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:28" (1/1) ... [2024-11-13 22:24:28,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:28" (1/1) ... [2024-11-13 22:24:28,235 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:28" (1/1) ... [2024-11-13 22:24:28,243 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:28" (1/1) ... [2024-11-13 22:24:28,244 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:28" (1/1) ... [2024-11-13 22:24:28,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:28" (1/1) ... [2024-11-13 22:24:28,250 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:24:28,251 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:24:28,251 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:24:28,251 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:24:28,256 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:28" (1/1) ... [2024-11-13 22:24:28,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:24:28,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98705dbe-b4d2-49cc-9e5c-2003ba4f8b40/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:24:28,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98705dbe-b4d2-49cc-9e5c-2003ba4f8b40/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:24:28,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98705dbe-b4d2-49cc-9e5c-2003ba4f8b40/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:24:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:24:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:24:28,349 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:24:28,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:24:28,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:24:28,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:24:28,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:24:28,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:24:28,434 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:24:28,436 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:24:28,616 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 22:24:28,616 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:24:28,669 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:24:28,669 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:24:28,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:24:28 BoogieIcfgContainer [2024-11-13 22:24:28,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:24:28,670 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:24:28,671 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:24:28,682 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:24:28,683 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:24:28" (1/1) ... [2024-11-13 22:24:28,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:24:28,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:28,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-13 22:24:28,747 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-13 22:24:28,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:24:28,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:28,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:28,936 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:24:28,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:28,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2024-11-13 22:24:28,986 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2024-11-13 22:24:28,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:24:28,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:28,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:24:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:29,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:24:29,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:24:29,446 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 22:24:29,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:29,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 36 transitions. [2024-11-13 22:24:29,778 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-13 22:24:29,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 22:24:29,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:29,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:30,286 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:24:30,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:30,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 34 transitions. [2024-11-13 22:24:30,789 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2024-11-13 22:24:30,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 22:24:30,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:30,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:31,676 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:24:32,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:32,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 45 transitions. [2024-11-13 22:24:32,996 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2024-11-13 22:24:32,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:24:32,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:32,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:24:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:33,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 22:24:33,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:24:34,847 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 22:24:41,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:41,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 41 states and 69 transitions. [2024-11-13 22:24:41,662 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2024-11-13 22:24:41,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 22:24:41,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:41,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:24:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:41,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 22:24:41,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:24:45,039 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 22:24:48,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:48,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 39 states and 61 transitions. [2024-11-13 22:24:48,407 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2024-11-13 22:24:48,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:24:48,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:48,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:50,016 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 22:25:02,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:02,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 49 states and 85 transitions. [2024-11-13 22:25:02,031 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 85 transitions. [2024-11-13 22:25:02,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 22:25:02,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:02,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:25:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:03,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 22:25:03,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:25:15,625 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 22:25:58,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:26:07,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:26:07,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:07,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 61 states and 109 transitions. [2024-11-13 22:26:07,664 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 109 transitions. [2024-11-13 22:26:07,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 22:26:07,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:07,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:26:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:08,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 22:26:08,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:26:10,649 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 22:26:13,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:13,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 63 states and 111 transitions. [2024-11-13 22:26:13,214 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 111 transitions. [2024-11-13 22:26:13,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:26:13,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:13,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:26:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:14,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 22:26:14,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:26:20,146 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 22:26:39,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:39,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 71 states and 126 transitions. [2024-11-13 22:26:39,685 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 126 transitions. [2024-11-13 22:26:39,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:26:39,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:39,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:26:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:40,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-13 22:26:40,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:26:46,752 WARN L286 SmtUtils]: Spent 5.40s on a formula simplification. DAG size of input: 11 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:26:48,310 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 22:27:03,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:03,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 73 states and 128 transitions. [2024-11-13 22:27:03,062 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 128 transitions. [2024-11-13 22:27:03,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 22:27:03,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:03,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:27:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:04,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 22:27:04,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:27:33,997 WARN L286 SmtUtils]: Spent 10.26s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:27:44,142 WARN L286 SmtUtils]: Spent 10.14s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:28:18,661 WARN L286 SmtUtils]: Spent 11.08s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:28:40,054 WARN L286 SmtUtils]: Spent 20.66s on a formula simplification. DAG size of input: 7 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:28:53,286 WARN L286 SmtUtils]: Spent 11.12s on a formula simplification. DAG size of input: 7 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:29:31,481 WARN L286 SmtUtils]: Spent 5.24s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:29:52,901 WARN L286 SmtUtils]: Spent 12.27s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:30:13,532 WARN L286 SmtUtils]: Spent 12.54s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:30:30,305 WARN L286 SmtUtils]: Spent 5.23s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:31:17,934 WARN L286 SmtUtils]: Spent 11.42s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:31:50,812 WARN L286 SmtUtils]: Spent 12.68s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:32:33,738 WARN L286 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:32:47,043 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:33:00,018 WARN L286 SmtUtils]: Spent 7.29s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:33:30,992 WARN L286 SmtUtils]: Spent 10.15s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:33:52,948 WARN L286 SmtUtils]: Spent 20.01s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:34:13,378 WARN L286 SmtUtils]: Spent 10.40s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:34:33,440 WARN L286 SmtUtils]: Spent 20.06s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:34:46,510 WARN L286 SmtUtils]: Spent 6.84s on a formula simplification. DAG size of input: 17 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:35:14,670 WARN L286 SmtUtils]: Spent 10.16s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:35:23,342 WARN L286 SmtUtils]: Spent 6.54s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:35:39,382 WARN L286 SmtUtils]: Spent 10.57s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:38:33,402 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:38:44,120 WARN L286 SmtUtils]: Spent 5.81s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:39:00,837 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:39:26,562 WARN L286 SmtUtils]: Spent 7.94s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:39:38,013 WARN L286 SmtUtils]: Spent 10.44s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)