./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-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_2443024c-132e-4089-89a0-51f5e4ca0d7f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2443024c-132e-4089-89a0-51f5e4ca0d7f/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_2443024c-132e-4089-89a0-51f5e4ca0d7f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2443024c-132e-4089-89a0-51f5e4ca0d7f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2443024c-132e-4089-89a0-51f5e4ca0d7f/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_2443024c-132e-4089-89a0-51f5e4ca0d7f/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 d2226df89556021067dd01a2668200dd1f99aac7ec2d26741f3688f0af887e5c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:46:29,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:46:29,152 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2443024c-132e-4089-89a0-51f5e4ca0d7f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:46:29,160 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:46:29,161 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:46:29,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:46:29,205 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:46:29,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:46:29,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:46:29,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:46:29,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:46:29,207 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:46:29,208 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:46:29,208 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:46:29,208 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:46:29,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:46:29,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:46:29,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:46:29,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:46:29,210 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:46:29,210 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:46:29,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:46:29,211 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:46:29,211 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:46:29,211 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:46:29,211 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:46:29,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:46:29,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:46:29,211 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:46:29,211 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:46:29,211 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:46:29,212 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:46:29,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:46:29,212 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_2443024c-132e-4089-89a0-51f5e4ca0d7f/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 -> d2226df89556021067dd01a2668200dd1f99aac7ec2d26741f3688f0af887e5c [2024-11-13 20:46:29,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:46:29,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:46:29,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:46:29,623 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:46:29,624 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:46:29,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2443024c-132e-4089-89a0-51f5e4ca0d7f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u.c Unable to find full path for "g++" [2024-11-13 20:46:31,726 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:46:32,083 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:46:32,084 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2443024c-132e-4089-89a0-51f5e4ca0d7f/sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u.c [2024-11-13 20:46:32,112 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2443024c-132e-4089-89a0-51f5e4ca0d7f/bin/ukojak-verify-EEHR8qb7sm/data/1581d79a5/d6c7fadf6e08438f9e9fe4e0a49dc952/FLAGe7183ed24 [2024-11-13 20:46:32,288 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2443024c-132e-4089-89a0-51f5e4ca0d7f/bin/ukojak-verify-EEHR8qb7sm/data/1581d79a5/d6c7fadf6e08438f9e9fe4e0a49dc952 [2024-11-13 20:46:32,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:46:32,293 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:46:32,294 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:46:32,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:46:32,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:46:32,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:46:32" (1/1) ... [2024-11-13 20:46:32,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2785b03e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:32, skipping insertion in model container [2024-11-13 20:46:32,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:46:32" (1/1) ... [2024-11-13 20:46:32,321 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:46:32,528 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_2443024c-132e-4089-89a0-51f5e4ca0d7f/sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u.c[1083,1096] [2024-11-13 20:46:32,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:46:32,565 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:46:32,577 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_2443024c-132e-4089-89a0-51f5e4ca0d7f/sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u.c[1083,1096] [2024-11-13 20:46:32,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:46:32,608 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:46:32,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:32 WrapperNode [2024-11-13 20:46:32,609 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:46:32,611 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:46:32,611 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:46:32,612 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:46:32,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:32" (1/1) ... [2024-11-13 20:46:32,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:32" (1/1) ... [2024-11-13 20:46:32,659 INFO L138 Inliner]: procedures = 16, calls = 51, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 58 [2024-11-13 20:46:32,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:46:32,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:46:32,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:46:32,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:46:32,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:32" (1/1) ... [2024-11-13 20:46:32,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:32" (1/1) ... [2024-11-13 20:46:32,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:32" (1/1) ... [2024-11-13 20:46:32,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:32" (1/1) ... [2024-11-13 20:46:32,689 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:32" (1/1) ... [2024-11-13 20:46:32,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:32" (1/1) ... [2024-11-13 20:46:32,696 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:32" (1/1) ... [2024-11-13 20:46:32,697 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:32" (1/1) ... [2024-11-13 20:46:32,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:46:32,704 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:46:32,704 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:46:32,704 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:46:32,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:32" (1/1) ... [2024-11-13 20:46:32,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:46:32,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2443024c-132e-4089-89a0-51f5e4ca0d7f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:46:32,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2443024c-132e-4089-89a0-51f5e4ca0d7f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:46:32,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2443024c-132e-4089-89a0-51f5e4ca0d7f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:46:32,787 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_28_to_36_0 [2024-11-13 20:46:32,787 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_28_to_36_0 [2024-11-13 20:46:32,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:46:32,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:46:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:46:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:46:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:46:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:46:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:46:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:46:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:46:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:46:32,884 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:46:32,887 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:46:33,115 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 20:46:33,115 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:46:33,148 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:46:33,148 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:46:33,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:46:33 BoogieIcfgContainer [2024-11-13 20:46:33,149 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:46:33,150 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:46:33,150 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:46:33,163 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:46:33,163 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:46:33" (1/1) ... [2024-11-13 20:46:33,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:46:33,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:33,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-11-13 20:46:33,241 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-13 20:46:33,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:46:33,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:33,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:46:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:46:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:33,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-13 20:46:33,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:33,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 20:46:33,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 88 [2024-11-13 20:46:33,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 20:46:33,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 20:46:33,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 20:46:33,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 55 [2024-11-13 20:46:33,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 20:46:33,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 20:46:33,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 20:46:33,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 20:46:33,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 20:46:33,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 20:46:33,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 20:46:33,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2024-11-13 20:46:33,999 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-13 20:46:33,999 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 61 treesize of output 53 [2024-11-13 20:46:34,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 42 [2024-11-13 20:46:34,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2024-11-13 20:46:34,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 15 [2024-11-13 20:46:34,475 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 20:46:34,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:34,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 32 transitions. [2024-11-13 20:46:34,856 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-11-13 20:46:34,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 20:46:34,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:34,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:46:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:46:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:36,191 WARN L253 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 112 conjuncts are in the unsatisfiable core [2024-11-13 20:46:36,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:36,232 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-13 20:46:37,895 INFO L224 Elim1Store]: Index analysis took 115 ms