./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84684a6-182d-431d-b68b-213fc26b1c8f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84684a6-182d-431d-b68b-213fc26b1c8f/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_d84684a6-182d-431d-b68b-213fc26b1c8f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84684a6-182d-431d-b68b-213fc26b1c8f/bin/ukojak-verify-EEHR8qb7sm/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_d84684a6-182d-431d-b68b-213fc26b1c8f/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_d84684a6-182d-431d-b68b-213fc26b1c8f/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 dfbeed813c4c61f00fa3f37e016718a299be7911d54e721c8910a31480a25397 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:53:29,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:53:29,780 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84684a6-182d-431d-b68b-213fc26b1c8f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:53:29,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:53:29,792 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:53:29,831 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:53:29,832 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:53:29,832 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:53:29,833 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:53:29,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:53:29,834 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:53:29,834 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:53:29,835 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:53:29,835 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:53:29,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:53:29,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:53:29,835 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:53:29,835 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:53:29,836 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:53:29,836 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:53:29,836 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:53:29,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:53:29,836 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:53:29,837 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:53:29,837 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:53:29,837 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:53:29,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:53:29,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:53:29,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:53:29,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:53:29,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:53:29,838 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:53:29,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:53:29,838 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_d84684a6-182d-431d-b68b-213fc26b1c8f/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 -> dfbeed813c4c61f00fa3f37e016718a299be7911d54e721c8910a31480a25397 [2024-11-13 20:53:30,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:53:30,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:53:30,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:53:30,224 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:53:30,224 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:53:30,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84684a6-182d-431d-b68b-213fc26b1c8f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-ll.c Unable to find full path for "g++" [2024-11-13 20:53:32,257 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:53:32,532 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:53:32,533 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84684a6-182d-431d-b68b-213fc26b1c8f/sv-benchmarks/c/recursified_nla-digbench/recursified_hard-ll.c [2024-11-13 20:53:32,545 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84684a6-182d-431d-b68b-213fc26b1c8f/bin/ukojak-verify-EEHR8qb7sm/data/8563ff39c/026eff7acea4436db6b611cf736f404f/FLAG0477c1aee [2024-11-13 20:53:32,561 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84684a6-182d-431d-b68b-213fc26b1c8f/bin/ukojak-verify-EEHR8qb7sm/data/8563ff39c/026eff7acea4436db6b611cf736f404f [2024-11-13 20:53:32,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:53:32,565 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:53:32,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:53:32,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:53:32,572 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:53:32,573 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:53:32" (1/1) ... [2024-11-13 20:53:32,574 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6334b02d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:32, skipping insertion in model container [2024-11-13 20:53:32,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:53:32" (1/1) ... [2024-11-13 20:53:32,594 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:53:32,760 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_d84684a6-182d-431d-b68b-213fc26b1c8f/sv-benchmarks/c/recursified_nla-digbench/recursified_hard-ll.c[1083,1096] [2024-11-13 20:53:32,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:53:32,809 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:53:32,819 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_d84684a6-182d-431d-b68b-213fc26b1c8f/sv-benchmarks/c/recursified_nla-digbench/recursified_hard-ll.c[1083,1096] [2024-11-13 20:53:32,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:53:32,855 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:53:32,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:32 WrapperNode [2024-11-13 20:53:32,855 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:53:32,856 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:53:32,856 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:53:32,856 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:53:32,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:32" (1/1) ... [2024-11-13 20:53:32,867 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:32" (1/1) ... [2024-11-13 20:53:32,887 INFO L138 Inliner]: procedures = 17, calls = 84, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2024-11-13 20:53:32,888 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:53:32,888 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:53:32,889 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:53:32,889 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:53:32,895 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:32" (1/1) ... [2024-11-13 20:53:32,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:32" (1/1) ... [2024-11-13 20:53:32,897 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:32" (1/1) ... [2024-11-13 20:53:32,898 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:32" (1/1) ... [2024-11-13 20:53:32,905 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:32" (1/1) ... [2024-11-13 20:53:32,907 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:32" (1/1) ... [2024-11-13 20:53:32,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:32" (1/1) ... [2024-11-13 20:53:32,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:32" (1/1) ... [2024-11-13 20:53:32,912 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:53:32,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:53:32,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:53:32,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:53:32,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:32" (1/1) ... [2024-11-13 20:53:32,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:53:32,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84684a6-182d-431d-b68b-213fc26b1c8f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:53:32,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84684a6-182d-431d-b68b-213fc26b1c8f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:53:32,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84684a6-182d-431d-b68b-213fc26b1c8f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:53:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:53:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:53:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_41_to_51_0 [2024-11-13 20:53:33,000 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_41_to_51_0 [2024-11-13 20:53:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:53:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_31_to_38_0 [2024-11-13 20:53:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_31_to_38_0 [2024-11-13 20:53:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:53:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:53:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:53:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:53:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:53:33,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:53:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:53:33,138 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:53:33,140 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:53:33,615 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 20:53:33,616 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:53:33,754 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:53:33,755 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 20:53:33,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:53:33 BoogieIcfgContainer [2024-11-13 20:53:33,755 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:53:33,756 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:53:33,756 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:53:33,769 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:53:33,769 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:53:33" (1/1) ... [2024-11-13 20:53:33,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:53:33,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:33,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 37 states and 49 transitions. [2024-11-13 20:53:33,848 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2024-11-13 20:53:33,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:53:33,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:33,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:53:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:34,809 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 20:53:35,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:35,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 42 states and 58 transitions. [2024-11-13 20:53:35,102 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2024-11-13 20:53:35,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:53:35,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:35,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:53:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:37,315 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 20:53:38,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:38,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 47 states and 64 transitions. [2024-11-13 20:53:38,617 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2024-11-13 20:53:38,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:53:38,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:38,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:53:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:53:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:38,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-13 20:53:38,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:39,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 20:53:39,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 20:53:39,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 20:53:39,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 20:53:39,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 20:53:39,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 20:53:39,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 20:53:39,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 20:53:39,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 20:53:39,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 20:53:39,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 20:57:15,749 WARN L286 SmtUtils]: Spent 3.61m on a formula simplification. DAG size of input: 463 DAG size of output: 143 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-13 20:57:15,750 INFO L349 Elim1Store]: treesize reduction 2664, result has 19.6 percent of original size [2024-11-13 20:57:15,757 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 3318 treesize of output 7222 [2024-11-13 20:57:23,546 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 [2024-11-13 20:57:28,600 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 109 treesize of output 68 [2024-11-13 20:57:31,536 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 115 treesize of output 54 [2024-11-13 20:57:37,310 INFO L224 Elim1Store]: Index analysis took 2146 ms [2024-11-13 20:57:43,978 WARN L286 SmtUtils]: Spent 6.66s 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) [2024-11-13 20:57:43,978 INFO L349 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2024-11-13 20:57:43,978 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 [2024-11-13 20:59:26,150 WARN L286 SmtUtils]: Spent 6.30s 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) [2024-11-13 20:59:44,767 WARN L286 SmtUtils]: Spent 5.50s 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) [2024-11-13 21:01:05,736 INFO L224 Elim1Store]: Index analysis took 125 ms [2024-11-13 21:01:05,887 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 163 treesize of output 117 [2024-11-13 21:01:11,657 INFO L224 Elim1Store]: Index analysis took 161 ms [2024-11-13 21:01:11,838 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 163 treesize of output 117 [2024-11-13 21:01:15,239 INFO L224 Elim1Store]: Index analysis took 115 ms [2024-11-13 21:01:15,371 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 163 treesize of output 117 [2024-11-13 21:01:22,810 INFO L224 Elim1Store]: Index analysis took 318 ms [2024-11-13 21:01:22,953 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 271 treesize of output 226 [2024-11-13 21:01:50,257 INFO L224 Elim1Store]: Index analysis took 272 ms [2024-11-13 21:01:50,503 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 271 treesize of output 226 [2024-11-13 21:03:37,576 INFO L224 Elim1Store]: Index analysis took 501 ms [2024-11-13 21:03:37,792 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 271 treesize of output 226 [2024-11-13 21:04:02,240 INFO L224 Elim1Store]: Index analysis took 360 ms [2024-11-13 21:04:02,438 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 271 treesize of output 226 [2024-11-13 21:04:33,086 INFO L224 Elim1Store]: Index analysis took 424 ms [2024-11-13 21:04:33,229 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 271 treesize of output 226 [2024-11-13 21:05:49,026 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:05:49,060 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4266 [2024-11-13 21:07:50,093 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:07:50,101 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2511