./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe51df0-c1fb-4438-8544-076662e163b0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe51df0-c1fb-4438-8544-076662e163b0/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_3fe51df0-c1fb-4438-8544-076662e163b0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe51df0-c1fb-4438-8544-076662e163b0/bin/ukojak-verify-CZk0znPC7b/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_3fe51df0-c1fb-4438-8544-076662e163b0/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_3fe51df0-c1fb-4438-8544-076662e163b0/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 27783f29349ebae8401558a8bc17fafd87092d54a86e2af0abb3d67f703ff6c0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:36:50,649 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:36:50,711 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe51df0-c1fb-4438-8544-076662e163b0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:36:50,716 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:36:50,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:36:50,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:36:50,738 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:36:50,738 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:36:50,738 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:36:50,738 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:36:50,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:36:50,739 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:36:50,739 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:36:50,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:36:50,739 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:36:50,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:36:50,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:36:50,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:36:50,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:36:50,740 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:36:50,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:36:50,740 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:36:50,740 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:36:50,740 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:36:50,740 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:36:50,740 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:36:50,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:36:50,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:36:50,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:36:50,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:36:50,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:36:50,741 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:36:50,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:36:50,741 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_3fe51df0-c1fb-4438-8544-076662e163b0/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 -> 27783f29349ebae8401558a8bc17fafd87092d54a86e2af0abb3d67f703ff6c0 [2024-12-05 22:36:50,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:36:50,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:36:50,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:36:50,992 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:36:50,992 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:36:50,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe51df0-c1fb-4438-8544-076662e163b0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c [2024-12-05 22:36:53,707 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe51df0-c1fb-4438-8544-076662e163b0/bin/ukojak-verify-CZk0znPC7b/data/02ef37267/ff2aec0b49ec4f00a91edebb34efbe57/FLAG88d142f84 [2024-12-05 22:36:53,895 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:36:53,895 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe51df0-c1fb-4438-8544-076662e163b0/sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c [2024-12-05 22:36:53,903 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe51df0-c1fb-4438-8544-076662e163b0/bin/ukojak-verify-CZk0znPC7b/data/02ef37267/ff2aec0b49ec4f00a91edebb34efbe57/FLAG88d142f84 [2024-12-05 22:36:53,918 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe51df0-c1fb-4438-8544-076662e163b0/bin/ukojak-verify-CZk0znPC7b/data/02ef37267/ff2aec0b49ec4f00a91edebb34efbe57 [2024-12-05 22:36:53,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:36:53,922 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:36:53,923 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:36:53,923 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:36:53,928 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:36:53,929 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:36:53" (1/1) ... [2024-12-05 22:36:53,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:36:53, skipping insertion in model container [2024-12-05 22:36:53,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:36:53" (1/1) ... [2024-12-05 22:36:53,947 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:36:54,096 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_3fe51df0-c1fb-4438-8544-076662e163b0/sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c[1080,1093] [2024-12-05 22:36:54,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:36:54,132 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:36:54,144 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_3fe51df0-c1fb-4438-8544-076662e163b0/sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c[1080,1093] [2024-12-05 22:36:54,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:36:54,173 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:36:54,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:36:54 WrapperNode [2024-12-05 22:36:54,174 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:36:54,175 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:36:54,175 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:36:54,175 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:36:54,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:36:54" (1/1) ... [2024-12-05 22:36:54,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:36:54" (1/1) ... [2024-12-05 22:36:54,211 INFO L138 Inliner]: procedures = 17, calls = 84, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2024-12-05 22:36:54,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:36:54,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:36:54,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:36:54,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:36:54,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:36:54" (1/1) ... [2024-12-05 22:36:54,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:36:54" (1/1) ... [2024-12-05 22:36:54,224 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:36:54" (1/1) ... [2024-12-05 22:36:54,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:36:54" (1/1) ... [2024-12-05 22:36:54,231 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:36:54" (1/1) ... [2024-12-05 22:36:54,233 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:36:54" (1/1) ... [2024-12-05 22:36:54,235 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:36:54" (1/1) ... [2024-12-05 22:36:54,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:36:54" (1/1) ... [2024-12-05 22:36:54,238 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:36:54" (1/1) ... [2024-12-05 22:36:54,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:36:54,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:36:54,242 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:36:54,242 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:36:54,243 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:36:54" (1/1) ... [2024-12-05 22:36:54,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:36:54,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe51df0-c1fb-4438-8544-076662e163b0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:36:54,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe51df0-c1fb-4438-8544-076662e163b0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:36:54,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe51df0-c1fb-4438-8544-076662e163b0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:36:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:36:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:36:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_41_to_51_0 [2024-12-05 22:36:54,312 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_41_to_51_0 [2024-12-05 22:36:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:36:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_31_to_38_0 [2024-12-05 22:36:54,312 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_31_to_38_0 [2024-12-05 22:36:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 22:36:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:36:54,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:36:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 22:36:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 22:36:54,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 22:36:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:36:54,402 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:36:54,404 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:36:54,649 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-05 22:36:54,649 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:36:54,711 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:36:54,712 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:36:54,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:36:54 BoogieIcfgContainer [2024-12-05 22:36:54,712 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:36:54,713 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:36:54,713 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:36:54,723 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:36:54,724 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:36:54" (1/1) ... [2024-12-05 22:36:54,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:36:54,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:54,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 37 states and 49 transitions. [2024-12-05 22:36:54,785 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2024-12-05 22:36:54,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:36:54,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:54,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:36:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:55,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:36:55,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:55,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 42 states and 60 transitions. [2024-12-05 22:36:55,562 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2024-12-05 22:36:55,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:36:55,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:55,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:36:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:56,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:36:57,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:57,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 47 states and 69 transitions. [2024-12-05 22:36:57,079 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions. [2024-12-05 22:36:57,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 22:36:57,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:57,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:36:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:36:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:57,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-12-05 22:36:57,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:36:57,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:36:57,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:36:57,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:36:57,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:36:57,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:36:57,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:36:57,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:36:57,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:36:57,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:36:57,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:36:57,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:36:57,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:36:57,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:36:57,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:36:57,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:36:57,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:37:38,510 WARN L286 SmtUtils]: Spent 41.05s on a formula simplification. DAG size of input: 263 DAG size of output: 77 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-12-05 22:37:38,510 INFO L349 Elim1Store]: treesize reduction 1504, result has 18.3 percent of original size [2024-12-05 22:37:38,513 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 774 treesize of output 5119 [2024-12-05 22:37:39,911 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 [2024-12-05 22:37:40,555 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 [2024-12-05 22:37:43,162 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 [2024-12-05 22:37:45,763 INFO L224 Elim1Store]: Index analysis took 564 ms [2024-12-05 22:37:45,791 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-12-05 22:37:45,791 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 [2024-12-05 22:37:48,105 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 [2024-12-05 22:37:59,492 INFO L224 Elim1Store]: Index analysis took 311 ms [2024-12-05 22:37:59,610 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 [2024-12-05 22:38:40,734 INFO L224 Elim1Store]: Index analysis took 180 ms [2024-12-05 22:38:40,819 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 [2024-12-05 22:38:45,197 INFO L224 Elim1Store]: Index analysis took 251 ms [2024-12-05 22:38:45,320 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 [2024-12-05 22:38:52,544 INFO L224 Elim1Store]: Index analysis took 231 ms [2024-12-05 22:38:52,653 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 [2024-12-05 22:38:59,118 INFO L224 Elim1Store]: Index analysis took 289 ms [2024-12-05 22:38:59,245 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 [2024-12-05 22:39:04,557 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:39:04,571 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2909 [2024-12-05 22:39:53,159 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:39:53,162 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1319 [2024-12-05 22:40:03,907 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:40:03,909 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1319 [2024-12-05 22:40:07,329 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:40:07,355 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3617 [2024-12-05 22:40:30,658 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:40:30,681 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5234 [2024-12-05 22:40:31,576 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:40:31,601 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8239 [2024-12-05 22:40:32,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:40:32,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:40:32,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:40:32,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:40:32,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:40:32,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:40:32,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:40:33,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:40:33,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:40:33,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:40:37,205 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:40:39,287 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:40:40,834 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:40:42,121 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:40:45,463 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:40:48,450 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:40:50,930 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:40:52,120 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:40:54,779 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:40:57,495 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:40:59,073 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:41:02,713 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:41:31,083 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:41:32,716 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:41:32,928 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:41:32,990 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:41:33,339 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:41:33,426 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:41:33,469 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:41:33,881 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:41:34,036 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:41:35,110 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:41:35,211 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:41:35,328 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:41:35,387 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:41:35,430 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:41:35,475 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:41:53,696 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:41:53,731 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:41:53,864 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:41:54,043 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:41:54,078 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 22:43:27,625 INFO L224 Elim1Store]: Index analysis took 173367 ms [2024-12-05 22:44:58,670 WARN L286 SmtUtils]: Spent 1.52m on a formula simplification. DAG size of input: 342 DAG size of output: 59 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-12-05 22:44:58,670 INFO L349 Elim1Store]: treesize reduction 1711, result has 7.2 percent of original size [2024-12-05 22:44:58,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 4965917 treesize of output 4938125 [2024-12-05 22:45:04,226 WARN L286 SmtUtils]: Spent 5.53s on a formula simplification. DAG size of input: 10894 DAG size of output: 3753 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 22:45:07,052 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:45:07,442 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26888 [2024-12-05 22:45:13,221 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:45:13,532 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28305 [2024-12-05 22:45:15,127 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-05 22:45:17,948 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:45:18,274 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31734 [2024-12-05 22:45:21,426 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:45:21,815 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37110 [2024-12-05 22:45:23,881 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:45:24,194 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35213 [2024-12-05 22:45:26,913 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:45:27,219 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35881 [2024-12-05 22:45:29,951 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:45:30,238 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37061 [2024-12-05 22:45:31,707 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug.