./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps4-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4596a041-41cd-43bd-9ce6-de011104477e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4596a041-41cd-43bd-9ce6-de011104477e/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4596a041-41cd-43bd-9ce6-de011104477e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4596a041-41cd-43bd-9ce6-de011104477e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps4-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4596a041-41cd-43bd-9ce6-de011104477e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4596a041-41cd-43bd-9ce6-de011104477e/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 35431d6758accd7fd2ee5ddf2b1a76a0fd5efeada0a27759fb5cb6b7d4ed3c08 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:16:04,250 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:16:04,345 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4596a041-41cd-43bd-9ce6-de011104477e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 05:16:04,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:16:04,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:16:04,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:16:04,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:16:04,385 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:16:04,385 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:16:04,386 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:16:04,387 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:16:04,387 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:16:04,387 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:16:04,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:16:04,388 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:16:04,389 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:16:04,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:16:04,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:16:04,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:16:04,389 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 05:16:04,389 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:16:04,389 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:16:04,389 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:16:04,390 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:16:04,390 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:16:04,390 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:16:04,390 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:16:04,390 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:16:04,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:16:04,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:16:04,390 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:16:04,390 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:16:04,390 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:16:04,391 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:16:04,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:16:04,391 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_4596a041-41cd-43bd-9ce6-de011104477e/bin/ukojak-verify-ENZ3QT5qd3 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 ! overflow) ) 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 -> 35431d6758accd7fd2ee5ddf2b1a76a0fd5efeada0a27759fb5cb6b7d4ed3c08 [2024-11-25 05:16:04,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:16:04,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:16:04,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:16:04,756 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:16:04,756 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:16:04,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4596a041-41cd-43bd-9ce6-de011104477e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps4-ll.c [2024-11-25 05:16:07,758 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4596a041-41cd-43bd-9ce6-de011104477e/bin/ukojak-verify-ENZ3QT5qd3/data/15c16302a/07091f43e4414ca1a7e2d1d28409eed6/FLAG85f07c178 [2024-11-25 05:16:08,028 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:16:08,028 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4596a041-41cd-43bd-9ce6-de011104477e/sv-benchmarks/c/recursified_nla-digbench/recursified_ps4-ll.c [2024-11-25 05:16:08,036 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4596a041-41cd-43bd-9ce6-de011104477e/bin/ukojak-verify-ENZ3QT5qd3/data/15c16302a/07091f43e4414ca1a7e2d1d28409eed6/FLAG85f07c178 [2024-11-25 05:16:08,325 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4596a041-41cd-43bd-9ce6-de011104477e/bin/ukojak-verify-ENZ3QT5qd3/data/15c16302a/07091f43e4414ca1a7e2d1d28409eed6 [2024-11-25 05:16:08,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:16:08,330 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:16:08,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:16:08,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:16:08,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:16:08,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:16:08" (1/1) ... [2024-11-25 05:16:08,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6779a389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:08, skipping insertion in model container [2024-11-25 05:16:08,342 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:16:08" (1/1) ... [2024-11-25 05:16:08,360 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:16:08,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:16:08,549 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:16:08,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:16:08,587 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:16:08,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:08 WrapperNode [2024-11-25 05:16:08,588 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:16:08,589 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:16:08,589 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:16:08,589 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:16:08,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:08" (1/1) ... [2024-11-25 05:16:08,604 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:08" (1/1) ... [2024-11-25 05:16:08,624 INFO L138 Inliner]: procedures = 16, calls = 64, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2024-11-25 05:16:08,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:16:08,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:16:08,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:16:08,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:16:08,633 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:08" (1/1) ... [2024-11-25 05:16:08,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:08" (1/1) ... [2024-11-25 05:16:08,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:08" (1/1) ... [2024-11-25 05:16:08,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:08" (1/1) ... [2024-11-25 05:16:08,641 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:08" (1/1) ... [2024-11-25 05:16:08,642 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:08" (1/1) ... [2024-11-25 05:16:08,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:08" (1/1) ... [2024-11-25 05:16:08,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:08" (1/1) ... [2024-11-25 05:16:08,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:08" (1/1) ... [2024-11-25 05:16:08,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:16:08,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:16:08,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:16:08,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:16:08,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:08" (1/1) ... [2024-11-25 05:16:08,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:16:08,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4596a041-41cd-43bd-9ce6-de011104477e/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:16:08,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4596a041-41cd-43bd-9ce6-de011104477e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:16:08,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4596a041-41cd-43bd-9ce6-de011104477e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:16:08,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:16:08,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:16:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 05:16:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 05:16:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:16:08,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:16:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 05:16:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_26_to_34_0 [2024-11-25 05:16:08,723 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_26_to_34_0 [2024-11-25 05:16:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 05:16:08,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 05:16:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 05:16:08,826 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:16:08,828 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:16:09,554 INFO L? ?]: Removed 209 outVars from TransFormulas that were not future-live. [2024-11-25 05:16:09,554 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:16:09,588 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:16:09,588 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:16:09,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:16:09 BoogieIcfgContainer [2024-11-25 05:16:09,588 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:16:09,589 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:16:09,589 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:16:09,599 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:16:09,599 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:16:09" (1/1) ... [2024-11-25 05:16:09,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:16:09,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:16:09,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 138 states and 142 transitions. [2024-11-25 05:16:09,655 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 142 transitions. [2024-11-25 05:16:09,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:16:09,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:16:09,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:16:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:16:10,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:16:10,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:16:10,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 141 states and 145 transitions. [2024-11-25 05:16:10,470 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 145 transitions. [2024-11-25 05:16:10,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:16:10,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:16:10,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:16:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:16:10,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:16:10,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:16:10,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 142 states and 146 transitions. [2024-11-25 05:16:10,730 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 146 transitions. [2024-11-25 05:16:10,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:16:10,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:16:10,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:16:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:16:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:16:10,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 05:16:10,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:16:10,983 INFO L349 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2024-11-25 05:16:10,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 40 [2024-11-25 05:16:11,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 94 [2024-11-25 05:16:11,162 INFO L349 Elim1Store]: treesize reduction 137, result has 27.5 percent of original size [2024-11-25 05:16:11,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 59 treesize of output 115 [2024-11-25 05:16:11,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-25 05:16:11,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 05:16:11,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-25 05:16:11,342 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 05:16:11,343 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2024-11-25 05:16:11,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2024-11-25 05:16:41,868 WARN L286 SmtUtils]: Spent 30.22s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:17:23,000 WARN L286 SmtUtils]: Spent 40.87s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:17:53,731 WARN L286 SmtUtils]: Spent 30.55s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:17:54,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:18:44,593 WARN L286 SmtUtils]: Spent 50.46s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:19:25,022 WARN L286 SmtUtils]: Spent 40.35s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:20:15,487 WARN L286 SmtUtils]: Spent 50.42s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:21:05,971 WARN L286 SmtUtils]: Spent 50.41s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:21:56,458 WARN L286 SmtUtils]: Spent 50.39s 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) [2024-11-25 05:22:27,011 WARN L286 SmtUtils]: Spent 30.48s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:22:58,247 WARN L286 SmtUtils]: Spent 31.15s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:23:38,708 WARN L286 SmtUtils]: Spent 40.42s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:24:29,097 WARN L286 SmtUtils]: Spent 50.29s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:25:19,845 WARN L286 SmtUtils]: Spent 50.64s 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) [2024-11-25 05:25:29,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-25 05:26:20,383 WARN L286 SmtUtils]: Spent 50.42s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:26:56,914 WARN L286 SmtUtils]: Spent 36.45s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:27:57,490 WARN L286 SmtUtils]: Spent 1.01m on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:28:47,961 WARN L286 SmtUtils]: Spent 50.37s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:29:38,465 WARN L286 SmtUtils]: Spent 50.38s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:29:48,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-25 05:30:18,925 WARN L286 SmtUtils]: Spent 30.34s 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) [2024-11-25 05:31:19,220 WARN L286 SmtUtils]: Spent 1.00m on a formula simplification that was a NOOP. DAG size: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:31:39,535 WARN L286 SmtUtils]: Spent 20.21s 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)