./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound10.c --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_ea6d4c3d-c61c-4373-88ef-01a339b650f0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6d4c3d-c61c-4373-88ef-01a339b650f0/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_ea6d4c3d-c61c-4373-88ef-01a339b650f0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6d4c3d-c61c-4373-88ef-01a339b650f0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6d4c3d-c61c-4373-88ef-01a339b650f0/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_ea6d4c3d-c61c-4373-88ef-01a339b650f0/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 bdb594c873073d652fb54f506ec7ea8f7caa1cb8c040606ba09f2d3f5e908396 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:34:36,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:34:36,453 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6d4c3d-c61c-4373-88ef-01a339b650f0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:34:36,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:34:36,466 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:34:36,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:34:36,506 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:34:36,508 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:34:36,508 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:34:36,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:34:36,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:34:36,510 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:34:36,510 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:34:36,511 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:34:36,511 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:34:36,511 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:34:36,511 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:34:36,511 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:34:36,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:34:36,512 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:34:36,512 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:34:36,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:34:36,512 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:34:36,513 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:34:36,513 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:34:36,513 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:34:36,513 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:34:36,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:34:36,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:34:36,514 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:34:36,514 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:34:36,514 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:34:36,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:34:36,515 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_ea6d4c3d-c61c-4373-88ef-01a339b650f0/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 -> bdb594c873073d652fb54f506ec7ea8f7caa1cb8c040606ba09f2d3f5e908396 [2024-11-13 22:34:36,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:34:36,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:34:36,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:34:36,898 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:34:36,898 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:34:36,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6d4c3d-c61c-4373-88ef-01a339b650f0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound10.c Unable to find full path for "g++" [2024-11-13 22:34:38,857 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:34:39,103 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:34:39,107 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6d4c3d-c61c-4373-88ef-01a339b650f0/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound10.c [2024-11-13 22:34:39,117 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6d4c3d-c61c-4373-88ef-01a339b650f0/bin/ukojak-verify-EEHR8qb7sm/data/025057d16/111164394775460aabaacb0bab75f800/FLAG7ad16c00c [2024-11-13 22:34:39,133 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6d4c3d-c61c-4373-88ef-01a339b650f0/bin/ukojak-verify-EEHR8qb7sm/data/025057d16/111164394775460aabaacb0bab75f800 [2024-11-13 22:34:39,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:34:39,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:34:39,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:34:39,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:34:39,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:34:39,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:34:39" (1/1) ... [2024-11-13 22:34:39,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c1a8e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:39, skipping insertion in model container [2024-11-13 22:34:39,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:34:39" (1/1) ... [2024-11-13 22:34:39,163 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:34:39,357 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_ea6d4c3d-c61c-4373-88ef-01a339b650f0/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound10.c[546,559] [2024-11-13 22:34:39,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:34:39,396 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:34:39,410 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_ea6d4c3d-c61c-4373-88ef-01a339b650f0/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound10.c[546,559] [2024-11-13 22:34:39,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:34:39,441 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:34:39,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:39 WrapperNode [2024-11-13 22:34:39,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:34:39,442 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:34:39,442 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:34:39,443 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:34:39,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:39" (1/1) ... [2024-11-13 22:34:39,453 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:39" (1/1) ... [2024-11-13 22:34:39,472 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2024-11-13 22:34:39,472 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:34:39,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:34:39,473 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:34:39,473 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:34:39,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:39" (1/1) ... [2024-11-13 22:34:39,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:39" (1/1) ... [2024-11-13 22:34:39,483 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:39" (1/1) ... [2024-11-13 22:34:39,484 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:39" (1/1) ... [2024-11-13 22:34:39,487 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:39" (1/1) ... [2024-11-13 22:34:39,491 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:39" (1/1) ... [2024-11-13 22:34:39,492 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:39" (1/1) ... [2024-11-13 22:34:39,492 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:39" (1/1) ... [2024-11-13 22:34:39,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:34:39,495 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:34:39,495 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:34:39,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:34:39,496 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:39" (1/1) ... [2024-11-13 22:34:39,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:34:39,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6d4c3d-c61c-4373-88ef-01a339b650f0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:34:39,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6d4c3d-c61c-4373-88ef-01a339b650f0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:34:39,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6d4c3d-c61c-4373-88ef-01a339b650f0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:34:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:34:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:34:39,596 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:34:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:34:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:34:39,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:34:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:34:39,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:34:39,673 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:34:39,676 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:34:39,838 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 22:34:39,841 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:34:39,873 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:34:39,873 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:34:39,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:34:39 BoogieIcfgContainer [2024-11-13 22:34:39,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:34:39,875 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:34:39,875 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:34:39,887 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:34:39,888 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:34:39" (1/1) ... [2024-11-13 22:34:39,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:34:39,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:39,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-13 22:34:39,976 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-13 22:34:39,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:34:39,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:39,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:40,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:34:40,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:40,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-11-13 22:34:40,258 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-11-13 22:34:40,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:34:40,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:40,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:34:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:40,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:34:40,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:34:40,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:34:40,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:40,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-11-13 22:34:40,651 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-11-13 22:34:40,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:34:40,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:40,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:40,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:34:41,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:41,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 36 transitions. [2024-11-13 22:34:41,265 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-13 22:34:41,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:34:41,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:41,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:41,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:41,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:34:42,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:42,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 37 transitions. [2024-11-13 22:34:42,590 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-11-13 22:34:42,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:34:42,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:42,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:34:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:42,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:34:42,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:34:42,851 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:34:43,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:43,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 46 transitions. [2024-11-13 22:34:43,985 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2024-11-13 22:34:43,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:34:43,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:43,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:34:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:44,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 22:34:44,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:34:44,776 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:35:02,147 WARN L286 SmtUtils]: Spent 12.31s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:35:02,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:35:02,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 66 transitions. [2024-11-13 22:35:02,767 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 66 transitions. [2024-11-13 22:35:02,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:35:02,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:35:02,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:35:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:35:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:35:02,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 22:35:02,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:35:05,253 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 23 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:36:11,174 WARN L286 SmtUtils]: Spent 10.59s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:36:12,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:12,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 59 states and 93 transitions. [2024-11-13 22:36:12,259 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 93 transitions. [2024-11-13 22:36:12,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 22:36:12,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:12,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:36:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:12,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 22:36:12,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:12,909 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 16 proven. 38 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 22:36:42,156 WARN L286 SmtUtils]: Spent 21.05s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:36:43,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:43,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 63 states and 100 transitions. [2024-11-13 22:36:43,968 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 100 transitions. [2024-11-13 22:36:43,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 22:36:43,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:43,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:36:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:44,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 22:36:44,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:45,301 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 10 proven. 56 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-13 22:37:11,809 WARN L286 SmtUtils]: Spent 25.83s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:37:24,761 WARN L286 SmtUtils]: Spent 10.89s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:37:26,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:26,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 67 states and 108 transitions. [2024-11-13 22:37:26,335 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 108 transitions. [2024-11-13 22:37:26,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 22:37:26,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:26,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:37:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:37:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:26,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 22:37:26,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:37:36,194 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 12 proven. 79 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-13 22:38:47,682 WARN L286 SmtUtils]: Spent 29.90s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:39:20,969 WARN L286 SmtUtils]: Spent 31.18s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:39:24,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:39:24,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:39:24,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 75 states and 122 transitions. [2024-11-13 22:39:24,488 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 122 transitions. [2024-11-13 22:39:24,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 22:39:24,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:39:24,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:39:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:39:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:24,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 22:39:24,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:39:25,726 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 31 proven. 107 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-13 22:39:43,763 WARN L286 SmtUtils]: Spent 16.62s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:40:23,832 WARN L286 SmtUtils]: Spent 38.70s 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) [2024-11-13 22:40:27,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:27,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 79 states and 130 transitions. [2024-11-13 22:40:27,358 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 130 transitions. [2024-11-13 22:40:27,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-13 22:40:27,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:27,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:40:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:40:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:27,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-13 22:40:27,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:40:35,870 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 16 proven. 137 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-13 22:42:14,911 WARN L286 SmtUtils]: Spent 55.71s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:42:56,139 WARN L286 SmtUtils]: Spent 37.06s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:43:02,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:02,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 87 states and 144 transitions. [2024-11-13 22:43:02,158 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 144 transitions. [2024-11-13 22:43:02,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 22:43:02,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:02,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:43:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:02,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-13 22:43:02,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:43:06,529 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 18 proven. 172 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:44:01,188 WARN L286 SmtUtils]: Spent 53.65s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:45:11,726 WARN L286 SmtUtils]: Spent 1.14m on a formula simplification that was a NOOP. DAG size: 70 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:45:14,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:45:24,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:45:35,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:45:36,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:45:36,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 91 states and 151 transitions. [2024-11-13 22:45:36,330 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 151 transitions. [2024-11-13 22:45:36,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 22:45:36,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:45:36,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:45:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:45:38,712 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 201 proven. 29 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-11-13 22:47:45,953 WARN L286 SmtUtils]: Spent 1.51m on a formula simplification that was a NOOP. DAG size: 72 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:49:18,156 WARN L286 SmtUtils]: Spent 1.51m on a formula simplification that was a NOOP. DAG size: 72 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)