./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.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_5c0bbd76-e6bd-4e38-9586-15e723ad42d7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0bbd76-e6bd-4e38-9586-15e723ad42d7/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_5c0bbd76-e6bd-4e38-9586-15e723ad42d7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0bbd76-e6bd-4e38-9586-15e723ad42d7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0bbd76-e6bd-4e38-9586-15e723ad42d7/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_5c0bbd76-e6bd-4e38-9586-15e723ad42d7/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 67e1f0759ae3eef1dbaa6f8b0d73161640ce69ba156f9f744d71e8aa9cf95f87 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:16:41,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:16:41,523 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0bbd76-e6bd-4e38-9586-15e723ad42d7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:16:41,527 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:16:41,527 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:16:41,545 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:16:41,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:16:41,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:16:41,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:16:41,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:16:41,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:16:41,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:16:41,547 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:16:41,547 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:16:41,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:16:41,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:16:41,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:16:41,548 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:16:41,548 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:16:41,548 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:16:41,548 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:16:41,548 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:16:41,548 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:16:41,548 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:16:41,548 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:16:41,548 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:16:41,549 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:16:41,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:16:41,549 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:16:41,549 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:16:41,549 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:16:41,549 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:16:41,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:16:41,549 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_5c0bbd76-e6bd-4e38-9586-15e723ad42d7/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 -> 67e1f0759ae3eef1dbaa6f8b0d73161640ce69ba156f9f744d71e8aa9cf95f87 [2024-12-06 03:16:41,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:16:41,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:16:41,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:16:41,763 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:16:41,764 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:16:41,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0bbd76-e6bd-4e38-9586-15e723ad42d7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.i [2024-12-06 03:16:44,389 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0bbd76-e6bd-4e38-9586-15e723ad42d7/bin/ukojak-verify-CZk0znPC7b/data/3e9e8a003/deee94456a1f423e8b4f055e1369717b/FLAG63960941a [2024-12-06 03:16:44,606 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:16:44,607 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0bbd76-e6bd-4e38-9586-15e723ad42d7/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.i [2024-12-06 03:16:44,614 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0bbd76-e6bd-4e38-9586-15e723ad42d7/bin/ukojak-verify-CZk0znPC7b/data/3e9e8a003/deee94456a1f423e8b4f055e1369717b/FLAG63960941a [2024-12-06 03:16:44,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0bbd76-e6bd-4e38-9586-15e723ad42d7/bin/ukojak-verify-CZk0znPC7b/data/3e9e8a003/deee94456a1f423e8b4f055e1369717b [2024-12-06 03:16:44,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:16:44,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:16:44,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:16:44,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:16:44,983 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:16:44,984 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:16:44" (1/1) ... [2024-12-06 03:16:44,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@489b4d4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:16:44, skipping insertion in model container [2024-12-06 03:16:44,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:16:44" (1/1) ... [2024-12-06 03:16:44,994 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:16:45,085 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_5c0bbd76-e6bd-4e38-9586-15e723ad42d7/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.i[950,963] [2024-12-06 03:16:45,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:16:45,110 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:16:45,119 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_5c0bbd76-e6bd-4e38-9586-15e723ad42d7/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.i[950,963] [2024-12-06 03:16:45,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:16:45,136 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:16:45,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:16:45 WrapperNode [2024-12-06 03:16:45,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:16:45,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:16:45,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:16:45,138 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:16:45,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:16:45" (1/1) ... [2024-12-06 03:16:45,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:16:45" (1/1) ... [2024-12-06 03:16:45,156 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2024-12-06 03:16:45,156 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:16:45,157 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:16:45,157 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:16:45,157 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:16:45,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:16:45" (1/1) ... [2024-12-06 03:16:45,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:16:45" (1/1) ... [2024-12-06 03:16:45,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:16:45" (1/1) ... [2024-12-06 03:16:45,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:16:45" (1/1) ... [2024-12-06 03:16:45,165 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:16:45" (1/1) ... [2024-12-06 03:16:45,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:16:45" (1/1) ... [2024-12-06 03:16:45,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:16:45" (1/1) ... [2024-12-06 03:16:45,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:16:45" (1/1) ... [2024-12-06 03:16:45,169 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:16:45" (1/1) ... [2024-12-06 03:16:45,171 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:16:45,171 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:16:45,171 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:16:45,172 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:16:45,172 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:16:45" (1/1) ... [2024-12-06 03:16:45,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:16:45,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0bbd76-e6bd-4e38-9586-15e723ad42d7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:16:45,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0bbd76-e6bd-4e38-9586-15e723ad42d7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:16:45,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0bbd76-e6bd-4e38-9586-15e723ad42d7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:16:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:16:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 03:16:45,217 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 03:16:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:16:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:16:45,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:16:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:16:45,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:16:45,266 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:16:45,267 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:16:45,388 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 03:16:45,388 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:16:45,426 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:16:45,426 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 03:16:45,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:16:45 BoogieIcfgContainer [2024-12-06 03:16:45,426 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:16:45,427 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:16:45,427 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:16:45,437 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:16:45,437 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:16:45" (1/1) ... [2024-12-06 03:16:45,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:16:45,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:45,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-12-06 03:16:45,491 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-12-06 03:16:45,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 03:16:45,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:45,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:16:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:16:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:45,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:16:45,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:45,822 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 03:16:46,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:46,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 33 transitions. [2024-12-06 03:16:46,016 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 03:16:46,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 03:16:46,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:46,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:16:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:46,345 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 03:16:46,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:46,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 31 transitions. [2024-12-06 03:16:46,670 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2024-12-06 03:16:46,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 03:16:46,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:46,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:16:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:47,088 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 03:16:48,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:48,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 40 transitions. [2024-12-06 03:16:48,142 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-12-06 03:16:48,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 03:16:48,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:48,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:16:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:16:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:48,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 03:16:48,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:49,019 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 03:16:51,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:51,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 32 states and 55 transitions. [2024-12-06 03:16:51,556 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 55 transitions. [2024-12-06 03:16:51,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 03:16:51,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:51,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:16:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:16:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:51,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 03:16:51,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:53,198 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 03:17:12,638 WARN L286 SmtUtils]: Spent 10.30s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:17:16,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.98s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:17:18,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:18,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 34 states and 59 transitions. [2024-12-06 03:17:18,001 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 59 transitions. [2024-12-06 03:17:18,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:17:18,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:18,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:17:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:19,499 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 03:17:25,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:25,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 36 states and 65 transitions. [2024-12-06 03:17:25,814 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2024-12-06 03:17:25,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 03:17:25,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:25,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:17:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:17:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:26,593 WARN L254 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-06 03:17:26,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:17:30,072 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 03:17:43,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:43,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 43 states and 82 transitions. [2024-12-06 03:17:43,454 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 82 transitions. [2024-12-06 03:17:43,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 03:17:43,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:43,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:17:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:17:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:44,232 WARN L254 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 03:17:44,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:18:04,090 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 03:18:29,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:18:29,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 48 states and 93 transitions. [2024-12-06 03:18:29,541 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 93 transitions. [2024-12-06 03:18:29,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 03:18:29,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:18:29,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:19:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:19:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:02,531 WARN L254 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 03:19:02,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:19:16,215 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 03:19:40,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:19:40,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 53 states and 104 transitions. [2024-12-06 03:19:40,334 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 104 transitions. [2024-12-06 03:19:40,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 03:19:40,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:19:40,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:19:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:19:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:41,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-06 03:19:41,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:19:52,832 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 03:20:23,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:20:23,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 56 states and 107 transitions. [2024-12-06 03:20:23,091 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2024-12-06 03:20:23,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 03:20:23,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:20:23,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:20:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:36,625 WARN L286 SmtUtils]: Spent 10.01s 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) [2024-12-06 03:25:50,194 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-06 03:28:49,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:49,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 57 states and 109 transitions. [2024-12-06 03:28:49,340 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 109 transitions. [2024-12-06 03:28:49,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 03:28:49,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:49,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:28:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:28:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:51,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-12-06 03:28:51,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:29:21,788 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 25 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 03:30:14,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.83s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:30:17,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 03:30:27,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:30:27,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 60 states and 118 transitions. [2024-12-06 03:30:27,526 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 118 transitions. [2024-12-06 03:30:27,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 03:30:27,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:30:27,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:30:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:30:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:30:33,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-12-06 03:30:33,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:30:57,145 WARN L286 SmtUtils]: Spent 10.28s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 03:31:17,259 WARN L286 SmtUtils]: Spent 20.04s on a formula simplification. DAG size of input: 9 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 03:31:27,338 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 03:31:28,923 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 9 proven. 26 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.