./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1a83ff-9c3f-4083-bfe8-fb9da45577ba/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1a83ff-9c3f-4083-bfe8-fb9da45577ba/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_ae1a83ff-9c3f-4083-bfe8-fb9da45577ba/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1a83ff-9c3f-4083-bfe8-fb9da45577ba/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1a83ff-9c3f-4083-bfe8-fb9da45577ba/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_ae1a83ff-9c3f-4083-bfe8-fb9da45577ba/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 c7a9d89991bb39658ba66b50d9cb80ba7d1aa37f87b1a2f7972fc25c15a1ea38 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:56:54,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:56:54,342 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1a83ff-9c3f-4083-bfe8-fb9da45577ba/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:56:54,346 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:56:54,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:56:54,364 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:56:54,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:56:54,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:56:54,365 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:56:54,365 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:56:54,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:56:54,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:56:54,365 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:56:54,365 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:56:54,366 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:56:54,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:56:54,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:56:54,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:56:54,366 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:56:54,366 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:56:54,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:56:54,366 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:56:54,366 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:56:54,366 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:56:54,366 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:56:54,366 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:56:54,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:56:54,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:56:54,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:56:54,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:56:54,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:56:54,367 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:56:54,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:56:54,367 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_ae1a83ff-9c3f-4083-bfe8-fb9da45577ba/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 -> c7a9d89991bb39658ba66b50d9cb80ba7d1aa37f87b1a2f7972fc25c15a1ea38 [2024-12-06 00:56:54,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:56:54,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:56:54,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:56:54,587 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:56:54,587 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:56:54,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1a83ff-9c3f-4083-bfe8-fb9da45577ba/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i [2024-12-06 00:56:57,299 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1a83ff-9c3f-4083-bfe8-fb9da45577ba/bin/ukojak-verify-CZk0znPC7b/data/29a99adad/a1aa91b7c5be4d3c96f5f22784c93da1/FLAGcabd11937 [2024-12-06 00:56:57,490 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:56:57,490 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1a83ff-9c3f-4083-bfe8-fb9da45577ba/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i [2024-12-06 00:56:57,496 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1a83ff-9c3f-4083-bfe8-fb9da45577ba/bin/ukojak-verify-CZk0znPC7b/data/29a99adad/a1aa91b7c5be4d3c96f5f22784c93da1/FLAGcabd11937 [2024-12-06 00:56:57,875 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1a83ff-9c3f-4083-bfe8-fb9da45577ba/bin/ukojak-verify-CZk0znPC7b/data/29a99adad/a1aa91b7c5be4d3c96f5f22784c93da1 [2024-12-06 00:56:57,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:56:57,878 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:56:57,879 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:56:57,879 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:56:57,882 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:56:57,883 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:56:57" (1/1) ... [2024-12-06 00:56:57,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@391498f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:57, skipping insertion in model container [2024-12-06 00:56:57,884 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:56:57" (1/1) ... [2024-12-06 00:56:57,893 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:56:57,996 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_ae1a83ff-9c3f-4083-bfe8-fb9da45577ba/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i[950,963] [2024-12-06 00:56:58,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:56:58,016 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:56:58,024 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_ae1a83ff-9c3f-4083-bfe8-fb9da45577ba/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i[950,963] [2024-12-06 00:56:58,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:56:58,042 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:56:58,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:58 WrapperNode [2024-12-06 00:56:58,043 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:56:58,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:56:58,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:56:58,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:56:58,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:58" (1/1) ... [2024-12-06 00:56:58,053 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:58" (1/1) ... [2024-12-06 00:56:58,066 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2024-12-06 00:56:58,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:56:58,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:56:58,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:56:58,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:56:58,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:58" (1/1) ... [2024-12-06 00:56:58,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:58" (1/1) ... [2024-12-06 00:56:58,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:58" (1/1) ... [2024-12-06 00:56:58,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:58" (1/1) ... [2024-12-06 00:56:58,075 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:58" (1/1) ... [2024-12-06 00:56:58,076 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:58" (1/1) ... [2024-12-06 00:56:58,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:58" (1/1) ... [2024-12-06 00:56:58,079 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:58" (1/1) ... [2024-12-06 00:56:58,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:58" (1/1) ... [2024-12-06 00:56:58,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:56:58,082 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:56:58,082 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:56:58,082 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:56:58,083 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:58" (1/1) ... [2024-12-06 00:56:58,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:56:58,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1a83ff-9c3f-4083-bfe8-fb9da45577ba/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:56:58,111 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1a83ff-9c3f-4083-bfe8-fb9da45577ba/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:56:58,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1a83ff-9c3f-4083-bfe8-fb9da45577ba/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:56:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:56:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:56:58,139 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:56:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:56:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:56:58,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:56:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 00:56:58,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 00:56:58,186 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:56:58,187 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:56:58,291 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 00:56:58,291 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:56:58,322 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:56:58,322 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 00:56:58,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:56:58 BoogieIcfgContainer [2024-12-06 00:56:58,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:56:58,323 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:56:58,323 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:56:58,332 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:56:58,332 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:56:58" (1/1) ... [2024-12-06 00:56:58,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:56:58,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:58,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-12-06 00:56:58,379 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-12-06 00:56:58,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:56:58,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:58,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:58,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:56:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:58,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:56:58,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:56:58,698 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 00:56:58,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:58,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 33 transitions. [2024-12-06 00:56:58,908 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 00:56:58,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:56:58,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:58,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:59,228 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 00:56:59,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:59,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 31 transitions. [2024-12-06 00:56:59,563 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2024-12-06 00:56:59,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:56:59,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:59,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:59,995 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 00:57:00,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:00,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 40 transitions. [2024-12-06 00:57:00,996 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-12-06 00:57:00,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 00:57:00,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:00,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:57:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:01,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 00:57:01,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:01,905 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 00:57:04,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:04,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 32 states and 55 transitions. [2024-12-06 00:57:04,261 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 55 transitions. [2024-12-06 00:57:04,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 00:57:04,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:04,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:57:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:04,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:57:04,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:06,319 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 00:57:23,358 WARN L286 SmtUtils]: Spent 10.09s 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) [2024-12-06 00:57:25,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:57:28,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:57:28,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:28,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 66 transitions. [2024-12-06 00:57:28,935 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 66 transitions. [2024-12-06 00:57:28,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 00:57:28,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:28,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:30,738 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 00:57:37,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:37,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 37 states and 73 transitions. [2024-12-06 00:57:37,902 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 73 transitions. [2024-12-06 00:57:37,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 00:57:37,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:37,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:57:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:38,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-06 00:57:38,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:41,466 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 00:58:01,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.53s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:58:03,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:03,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 44 states and 90 transitions. [2024-12-06 00:58:03,477 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 90 transitions. [2024-12-06 00:58:03,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 00:58:03,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:03,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:58:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:58:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:04,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-06 00:58:04,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:18,867 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:58:23,017 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 00:59:05,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:59:05,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 49 states and 101 transitions. [2024-12-06 00:59:05,149 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 101 transitions. [2024-12-06 00:59:05,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 00:59:05,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:59:05,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:59:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:59:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:39,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 00:59:39,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:59:45,477 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 01:00:08,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:08,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 54 states and 112 transitions. [2024-12-06 01:00:08,995 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 112 transitions. [2024-12-06 01:00:08,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 01:00:08,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:08,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:09,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-06 01:00:09,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:24,574 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:01:24,732 WARN L286 SmtUtils]: Spent 22.97s on a formula simplification. DAG size of input: 18 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:01:53,753 WARN L286 SmtUtils]: Spent 25.43s on a formula simplification. DAG size of input: 23 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:02:14,734 WARN L286 SmtUtils]: Spent 20.59s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:02:28,523 WARN L286 SmtUtils]: Spent 13.76s on a formula simplification. DAG size of input: 22 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:02:51,399 WARN L286 SmtUtils]: Spent 10.35s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:03:51,804 WARN L286 SmtUtils]: Spent 10.41s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:04:23,489 WARN L286 SmtUtils]: Spent 10.64s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:04:42,645 WARN L286 SmtUtils]: Spent 15.44s on a formula simplification. DAG size of input: 35 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:05:32,404 WARN L286 SmtUtils]: Spent 10.37s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:05:52,280 WARN L286 SmtUtils]: Spent 10.36s 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) [2024-12-06 01:06:20,347 WARN L286 SmtUtils]: Spent 10.81s 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) [2024-12-06 01:06:34,701 WARN L286 SmtUtils]: Spent 11.66s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:06:44,811 WARN L286 SmtUtils]: Spent 10.11s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:06:55,227 WARN L286 SmtUtils]: Spent 10.35s 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) [2024-12-06 01:07:10,141 WARN L286 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:07:22,178 WARN L286 SmtUtils]: Spent 10.16s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:07:36,551 WARN L286 SmtUtils]: Spent 6.47s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:08:26,499 WARN L286 SmtUtils]: Spent 16.58s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:08:46,805 WARN L286 SmtUtils]: Spent 12.38s 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) [2024-12-06 01:08:56,484 WARN L286 SmtUtils]: Spent 7.92s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:09:10,108 WARN L286 SmtUtils]: Spent 13.62s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:09:28,021 WARN L286 SmtUtils]: Spent 17.43s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:09:43,682 WARN L286 SmtUtils]: Spent 13.75s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:10:06,377 WARN L286 SmtUtils]: Spent 13.64s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:10:32,904 WARN L286 SmtUtils]: Spent 5.98s on a formula simplification. DAG size of input: 23 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:10:39,539 WARN L286 SmtUtils]: Spent 5.99s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:11:03,516 WARN L286 SmtUtils]: Spent 12.21s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:11:45,928 WARN L286 SmtUtils]: Spent 20.07s on a formula simplification. DAG size of input: 39 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:11:57,866 WARN L286 SmtUtils]: Spent 11.14s 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) [2024-12-06 01:12:10,702 WARN L286 SmtUtils]: Spent 7.85s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)