./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae05d2e8-06f1-4ecb-b6f8-7d5b19f71f7d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae05d2e8-06f1-4ecb-b6f8-7d5b19f71f7d/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae05d2e8-06f1-4ecb-b6f8-7d5b19f71f7d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae05d2e8-06f1-4ecb-b6f8-7d5b19f71f7d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae05d2e8-06f1-4ecb-b6f8-7d5b19f71f7d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae05d2e8-06f1-4ecb-b6f8-7d5b19f71f7d/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 27783f29349ebae8401558a8bc17fafd87092d54a86e2af0abb3d67f703ff6c0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:21:49,135 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:21:49,254 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae05d2e8-06f1-4ecb-b6f8-7d5b19f71f7d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:21:49,264 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:21:49,265 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:21:49,309 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:21:49,311 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:21:49,311 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:21:49,312 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:21:49,312 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:21:49,312 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:21:49,312 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:21:49,312 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:21:49,312 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:21:49,313 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:21:49,313 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:21:49,313 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:21:49,313 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:21:49,313 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:21:49,313 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:21:49,313 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:21:49,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:21:49,316 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:21:49,317 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:21:49,317 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:21:49,317 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:21:49,317 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:21:49,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:21:49,318 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:21:49,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:21:49,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:21:49,318 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:21:49,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:21:49,319 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_ae05d2e8-06f1-4ecb-b6f8-7d5b19f71f7d/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27783f29349ebae8401558a8bc17fafd87092d54a86e2af0abb3d67f703ff6c0 [2024-11-13 23:21:49,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:21:49,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:21:49,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:21:49,888 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:21:49,889 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:21:49,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae05d2e8-06f1-4ecb-b6f8-7d5b19f71f7d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c Unable to find full path for "g++" [2024-11-13 23:21:52,083 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:21:52,294 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:21:52,297 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae05d2e8-06f1-4ecb-b6f8-7d5b19f71f7d/sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c [2024-11-13 23:21:52,304 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae05d2e8-06f1-4ecb-b6f8-7d5b19f71f7d/bin/ukojak-verify-EEHR8qb7sm/data/3396085b6/f9d70f6c68324f61a07a38292ce1d747/FLAG4ff5fefeb [2024-11-13 23:21:52,330 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae05d2e8-06f1-4ecb-b6f8-7d5b19f71f7d/bin/ukojak-verify-EEHR8qb7sm/data/3396085b6/f9d70f6c68324f61a07a38292ce1d747 [2024-11-13 23:21:52,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:21:52,334 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:21:52,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:21:52,337 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:21:52,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:21:52,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:21:52" (1/1) ... [2024-11-13 23:21:52,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@716667ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:52, skipping insertion in model container [2024-11-13 23:21:52,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:21:52" (1/1) ... [2024-11-13 23:21:52,364 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:21:52,533 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_ae05d2e8-06f1-4ecb-b6f8-7d5b19f71f7d/sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c[1080,1093] [2024-11-13 23:21:52,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:21:52,580 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:21:52,591 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_ae05d2e8-06f1-4ecb-b6f8-7d5b19f71f7d/sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c[1080,1093] [2024-11-13 23:21:52,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:21:52,620 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:21:52,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:52 WrapperNode [2024-11-13 23:21:52,621 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:21:52,622 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:21:52,622 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:21:52,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:21:52,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:52" (1/1) ... [2024-11-13 23:21:52,636 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:52" (1/1) ... [2024-11-13 23:21:52,654 INFO L138 Inliner]: procedures = 17, calls = 84, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2024-11-13 23:21:52,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:21:52,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:21:52,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:21:52,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:21:52,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:52" (1/1) ... [2024-11-13 23:21:52,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:52" (1/1) ... [2024-11-13 23:21:52,668 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:52" (1/1) ... [2024-11-13 23:21:52,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:52" (1/1) ... [2024-11-13 23:21:52,685 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:52" (1/1) ... [2024-11-13 23:21:52,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:52" (1/1) ... [2024-11-13 23:21:52,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:52" (1/1) ... [2024-11-13 23:21:52,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:52" (1/1) ... [2024-11-13 23:21:52,699 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:21:52,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:21:52,703 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:21:52,703 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:21:52,704 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:52" (1/1) ... [2024-11-13 23:21:52,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:21:52,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae05d2e8-06f1-4ecb-b6f8-7d5b19f71f7d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:21:52,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae05d2e8-06f1-4ecb-b6f8-7d5b19f71f7d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:21:52,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae05d2e8-06f1-4ecb-b6f8-7d5b19f71f7d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:21:52,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:21:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:21:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_41_to_51_0 [2024-11-13 23:21:52,779 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_41_to_51_0 [2024-11-13 23:21:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:21:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_31_to_38_0 [2024-11-13 23:21:52,779 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_31_to_38_0 [2024-11-13 23:21:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:21:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:21:52,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:21:52,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:21:52,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 23:21:52,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 23:21:52,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:21:52,912 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:21:52,914 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:21:53,209 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 23:21:53,210 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:21:53,290 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:21:53,290 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 23:21:53,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:53 BoogieIcfgContainer [2024-11-13 23:21:53,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:21:53,292 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:21:53,292 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:21:53,308 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:21:53,309 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:53" (1/1) ... [2024-11-13 23:21:53,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:21:53,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:53,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 37 states and 49 transitions. [2024-11-13 23:21:53,389 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2024-11-13 23:21:53,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:21:53,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:53,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:54,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:21:54,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:54,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 42 states and 60 transitions. [2024-11-13 23:21:54,589 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2024-11-13 23:21:54,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 23:21:54,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:54,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:55,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:21:56,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:56,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 47 states and 69 transitions. [2024-11-13 23:21:56,991 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions. [2024-11-13 23:21:56,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 23:21:56,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:56,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:21:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:57,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-13 23:21:57,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:57,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:21:57,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:21:57,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:21:57,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:21:57,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:21:57,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:21:57,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:21:57,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:21:57,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:21:57,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:21:57,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:21:57,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:21:57,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:21:57,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:21:57,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:21:57,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:22:52,301 WARN L286 SmtUtils]: Spent 54.54s on a formula simplification. DAG size of input: 268 DAG size of output: 77 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-13 23:22:52,302 INFO L349 Elim1Store]: treesize reduction 1696, result has 16.6 percent of original size [2024-11-13 23:22:52,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 20 new quantified variables, introduced 16 case distinctions, treesize of input 966 treesize of output 5311 [2024-11-13 23:22:54,006 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 65 treesize of output 57 [2024-11-13 23:22:56,285 INFO L224 Elim1Store]: Index analysis took 283 ms [2024-11-13 23:22:56,329 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-13 23:22:56,330 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 176 treesize of output 166 [2024-11-13 23:22:58,707 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 97 treesize of output 61 [2024-11-13 23:23:02,805 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 97 treesize of output 61 [2024-11-13 23:23:06,240 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 97 treesize of output 61 [2024-11-13 23:23:22,329 INFO L224 Elim1Store]: Index analysis took 422 ms [2024-11-13 23:23:22,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 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 353 treesize of output 363 [2024-11-13 23:24:11,479 INFO L224 Elim1Store]: Index analysis took 393 ms [2024-11-13 23:24:11,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 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 353 treesize of output 363 [2024-11-13 23:24:19,074 INFO L224 Elim1Store]: Index analysis took 300 ms [2024-11-13 23:24:19,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 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 353 treesize of output 363 [2024-11-13 23:24:24,044 INFO L224 Elim1Store]: Index analysis took 308 ms [2024-11-13 23:24:24,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 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 353 treesize of output 363 [2024-11-13 23:24:34,978 INFO L224 Elim1Store]: Index analysis took 403 ms [2024-11-13 23:24:35,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 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 353 treesize of output 363 [2024-11-13 23:24:51,886 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:24:51,889 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1107 [2024-11-13 23:25:01,993 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:25:01,996 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1107 [2024-11-13 23:25:04,946 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:25:04,960 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2698 [2024-11-13 23:25:50,945 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:25:50,962 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2347 [2024-11-13 23:26:15,105 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:26:15,152 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7155 [2024-11-13 23:26:15,906 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:26:15,937 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8421 [2024-11-13 23:26:16,821 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:26:16,846 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9712 [2024-11-13 23:26:17,463 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:26:17,496 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13142 [2024-11-13 23:26:17,999 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:26:18,056 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15634 [2024-11-13 23:26:18,193 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-13 23:26:18,676 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:26:18,725 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16692 [2024-11-13 23:26:19,617 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:26:19,666 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15851 [2024-11-13 23:26:20,156 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:26:20,188 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16053 [2024-11-13 23:26:20,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:26:20,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:26:21,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:26:21,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:26:21,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:26:21,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:26:21,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:26:21,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:26:21,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:26:21,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:26:35,989 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:26:36,041 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:26:36,132 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:26:36,184 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:26:36,350 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:26:36,429 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:26:36,485 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:26:36,541 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:26:36,653 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:26:36,769 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:26:36,878 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:26:39,202 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:26:40,618 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:26:42,044 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:26:44,147 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:26:47,635 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:26:48,433 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:26:59,865 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:26:59,907 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:26:59,948 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:26:59,977 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:27:00,096 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:27:00,741 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:27:00,850 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:27:00,877 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:27:00,919 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:27:00,985 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:27:53,486 INFO L224 Elim1Store]: Index analysis took 91524 ms [2024-11-13 23:28:02,907 WARN L286 SmtUtils]: Spent 9.40s on a formula simplification. DAG size of input: 338 DAG size of output: 33 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-13 23:28:02,908 INFO L349 Elim1Store]: treesize reduction 2533, result has 1.6 percent of original size [2024-11-13 23:28:02,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 33 case distinctions, treesize of input 56318 treesize of output 50357 [2024-11-13 23:28:04,593 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:28:04,628 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16683 [2024-11-13 23:28:04,886 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-11-13 23:36:47,219 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful