./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-ll.c --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_6119b7c6-f832-4f18-871c-8f8d5606fc35/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119b7c6-f832-4f18-871c-8f8d5606fc35/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_6119b7c6-f832-4f18-871c-8f8d5606fc35/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119b7c6-f832-4f18-871c-8f8d5606fc35/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119b7c6-f832-4f18-871c-8f8d5606fc35/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_6119b7c6-f832-4f18-871c-8f8d5606fc35/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 dfbeed813c4c61f00fa3f37e016718a299be7911d54e721c8910a31480a25397 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:12:51,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:12:51,324 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119b7c6-f832-4f18-871c-8f8d5606fc35/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:12:51,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:12:51,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:12:51,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:12:51,347 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:12:51,347 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:12:51,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:12:51,348 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:12:51,348 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:12:51,348 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:12:51,348 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:12:51,348 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:12:51,348 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:12:51,348 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:12:51,348 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:12:51,348 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:12:51,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:12:51,349 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:12:51,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:12:51,349 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:12:51,349 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:12:51,349 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:12:51,349 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:12:51,349 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:12:51,349 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:12:51,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:12:51,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:12:51,350 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:12:51,350 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:12:51,350 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:12:51,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:12:51,350 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_6119b7c6-f832-4f18-871c-8f8d5606fc35/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 -> dfbeed813c4c61f00fa3f37e016718a299be7911d54e721c8910a31480a25397 [2024-12-06 04:12:51,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:12:51,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:12:51,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:12:51,554 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:12:51,555 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:12:51,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119b7c6-f832-4f18-871c-8f8d5606fc35/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-ll.c [2024-12-06 04:12:54,156 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119b7c6-f832-4f18-871c-8f8d5606fc35/bin/ukojak-verify-CZk0znPC7b/data/3a17e7a6e/36a81234cf9746eea8376f89349942c4/FLAG203f81afa [2024-12-06 04:12:54,365 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:12:54,365 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119b7c6-f832-4f18-871c-8f8d5606fc35/sv-benchmarks/c/recursified_nla-digbench/recursified_hard-ll.c [2024-12-06 04:12:54,373 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119b7c6-f832-4f18-871c-8f8d5606fc35/bin/ukojak-verify-CZk0znPC7b/data/3a17e7a6e/36a81234cf9746eea8376f89349942c4/FLAG203f81afa [2024-12-06 04:12:54,740 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119b7c6-f832-4f18-871c-8f8d5606fc35/bin/ukojak-verify-CZk0znPC7b/data/3a17e7a6e/36a81234cf9746eea8376f89349942c4 [2024-12-06 04:12:54,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:12:54,743 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:12:54,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:12:54,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:12:54,749 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:12:54,749 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:12:54" (1/1) ... [2024-12-06 04:12:54,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3629af2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:54, skipping insertion in model container [2024-12-06 04:12:54,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:12:54" (1/1) ... [2024-12-06 04:12:54,765 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:12:54,896 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_6119b7c6-f832-4f18-871c-8f8d5606fc35/sv-benchmarks/c/recursified_nla-digbench/recursified_hard-ll.c[1083,1096] [2024-12-06 04:12:54,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:12:54,927 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:12:54,936 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_6119b7c6-f832-4f18-871c-8f8d5606fc35/sv-benchmarks/c/recursified_nla-digbench/recursified_hard-ll.c[1083,1096] [2024-12-06 04:12:54,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:12:54,963 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:12:54,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:54 WrapperNode [2024-12-06 04:12:54,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:12:54,964 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:12:54,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:12:54,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:12:54,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:54" (1/1) ... [2024-12-06 04:12:54,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:54" (1/1) ... [2024-12-06 04:12:54,990 INFO L138 Inliner]: procedures = 17, calls = 84, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2024-12-06 04:12:54,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:12:54,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:12:54,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:12:54,991 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:12:54,996 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:54" (1/1) ... [2024-12-06 04:12:54,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:54" (1/1) ... [2024-12-06 04:12:54,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:54" (1/1) ... [2024-12-06 04:12:54,999 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:54" (1/1) ... [2024-12-06 04:12:55,004 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:54" (1/1) ... [2024-12-06 04:12:55,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:54" (1/1) ... [2024-12-06 04:12:55,007 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:54" (1/1) ... [2024-12-06 04:12:55,008 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:54" (1/1) ... [2024-12-06 04:12:55,009 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:54" (1/1) ... [2024-12-06 04:12:55,012 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:12:55,012 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:12:55,013 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:12:55,013 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:12:55,013 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:54" (1/1) ... [2024-12-06 04:12:55,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:12:55,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119b7c6-f832-4f18-871c-8f8d5606fc35/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:12:55,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119b7c6-f832-4f18-871c-8f8d5606fc35/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:12:55,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6119b7c6-f832-4f18-871c-8f8d5606fc35/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:12:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:12:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:12:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_41_to_51_0 [2024-12-06 04:12:55,071 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_41_to_51_0 [2024-12-06 04:12:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 04:12:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_31_to_38_0 [2024-12-06 04:12:55,072 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_31_to_38_0 [2024-12-06 04:12:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 04:12:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:12:55,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:12:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 04:12:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:12:55,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:12:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 04:12:55,144 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:12:55,145 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:12:55,351 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-06 04:12:55,352 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:12:55,407 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:12:55,408 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 04:12:55,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:12:55 BoogieIcfgContainer [2024-12-06 04:12:55,408 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:12:55,409 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:12:55,409 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:12:55,418 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:12:55,418 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:12:55" (1/1) ... [2024-12-06 04:12:55,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:12:55,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:12:55,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 37 states and 49 transitions. [2024-12-06 04:12:55,476 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2024-12-06 04:12:55,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:12:55,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:12:55,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:12:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:12:56,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:12:56,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:12:56,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 42 states and 58 transitions. [2024-12-06 04:12:56,162 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2024-12-06 04:12:56,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 04:12:56,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:12:56,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:12:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:12:57,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:12:58,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:12:58,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 47 states and 64 transitions. [2024-12-06 04:12:58,310 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2024-12-06 04:12:58,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 04:12:58,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:12:58,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:12:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:12:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:12:58,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-12-06 04:12:58,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:12:58,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:12:58,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:12:58,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:12:58,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:12:58,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:12:58,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:12:58,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:12:58,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:12:58,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:12:58,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:12:58,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:15:34,105 WARN L286 SmtUtils]: Spent 2.59m on a formula simplification. DAG size of input: 459 DAG size of output: 143 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-12-06 04:15:34,105 INFO L349 Elim1Store]: treesize reduction 2556, result has 20.2 percent of original size [2024-12-06 04:15:34,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 18 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 21 new quantified variables, introduced 36 case distinctions, treesize of input 2934 treesize of output 7114 [2024-12-06 04:15:41,682 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 73 treesize of output 47 [2024-12-06 04:15:45,266 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 145 treesize of output 72 [2024-12-06 04:15:49,145 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 49 treesize of output 43 [2024-12-06 04:15:54,331 INFO L224 Elim1Store]: Index analysis took 1096 ms [2024-12-06 04:16:04,282 WARN L286 SmtUtils]: Spent 9.95s on a formula simplification. DAG size of input: 33 DAG size of output: 21 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-12-06 04:16:04,283 INFO L349 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2024-12-06 04:16:04,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 3700 treesize of output 3680 [2024-12-06 04:17:00,080 WARN L286 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 04:18:15,535 WARN L286 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 04:19:18,972 INFO L224 Elim1Store]: Index analysis took 107 ms [2024-12-06 04:19:19,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 121 treesize of output 110 [2024-12-06 04:19:24,397 INFO L224 Elim1Store]: Index analysis took 111 ms [2024-12-06 04:19:25,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 121 treesize of output 110 [2024-12-06 04:19:28,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 121 treesize of output 110 [2024-12-06 04:19:38,447 INFO L224 Elim1Store]: Index analysis took 300 ms [2024-12-06 04:19:38,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 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 265 treesize of output 223 [2024-12-06 04:20:10,976 INFO L224 Elim1Store]: Index analysis took 263 ms [2024-12-06 04:20:11,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 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 265 treesize of output 223 [2024-12-06 04:21:12,226 INFO L224 Elim1Store]: Index analysis took 323 ms [2024-12-06 04:21:12,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 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 265 treesize of output 223 [2024-12-06 04:21:35,048 INFO L224 Elim1Store]: Index analysis took 409 ms [2024-12-06 04:21:35,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 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 265 treesize of output 223 [2024-12-06 04:21:47,089 INFO L224 Elim1Store]: Index analysis took 282 ms [2024-12-06 04:21:47,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 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 265 treesize of output 223 [2024-12-06 04:23:08,916 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:23:08,933 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3996 [2024-12-06 04:24:38,591 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:24:38,599 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3044